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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CMDSolver Docs — API-Referenz</title>
<style>
/* CMDSolver Documentation — Shared Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');
:root {
--bg: #0d0f12;
--bg2: #13161b;
--bg3: #1a1e25;
--bg4: #20252f;
--border: #252a33;
--border2: #2e3540;
--text: #c8cdd6;
--text2: #7a8496;
--text3: #4a5568;
--accent: #4a9eff;
--ok: #3ecf8e;
--warn: #f0a030;
--err: #ff5c5c;
--purple: #a78bfa;
--teal: #2dd4bf;
--mono: 'IBM Plex Mono', monospace;
--sans: 'IBM Plex Sans', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
font-family: var(--sans);
background: var(--bg);
color: var(--text);
font-size: 13.5px;
line-height: 1.75;
}
/* ── Header ── */
.doc-header {
border-bottom: 1px solid var(--border);
padding: 1.2rem 3rem;
display: flex; align-items: center;
justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.breadcrumb {
font-family: var(--mono); font-size: 11px; color: var(--text3);
letter-spacing: .08em; text-transform: uppercase;
display: flex; align-items: center; gap: .5rem;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb span { color: var(--text3); }
.doc-badge {
font-family: var(--mono); font-size: 11px;
padding: 3px 10px; border-radius: 4px;
}
.doc-badge.solver {
background: rgba(74,158,255,.1); border: 1px solid rgba(74,158,255,.25);
color: var(--accent);
}
.doc-badge.overview {
background: rgba(167,139,250,.1); border: 1px solid rgba(167,139,250,.25);
color: var(--purple);
}
.doc-badge.comparison {
background: rgba(62,207,142,.1); border: 1px solid rgba(62,207,142,.25);
color: var(--ok);
}
/* ── Hero ── */
.hero {
padding: 2.5rem 3rem 2rem;
border-bottom: 1px solid var(--border);
background: linear-gradient(135deg, var(--bg) 0%, #0f1520 100%);
}
.hero-sub {
font-family: var(--mono); font-size: 11px; color: var(--text3);
letter-spacing: .15em; text-transform: uppercase; margin-bottom: .5rem;
}
h1 {
font-size: 28px; font-weight: 600; color: #e8ecf4;
letter-spacing: -.03em; margin-bottom: .5rem; line-height: 1.2;
}
.tagline {
font-size: 14px; color: var(--text2); margin-bottom: 1.5rem;
max-width: 680px;
}
.hero-stats { display: flex; gap: 2rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: .2rem; }
.stat-val {
font-family: var(--mono); font-size: 18px; font-weight: 500; color: var(--ok);
}
.stat-lbl {
font-size: 11px; color: var(--text3);
text-transform: uppercase; letter-spacing: .08em;
}
/* ── Nav ── */
nav {
position: sticky; top: 0; z-index: 10;
background: rgba(13,15,18,.95); backdrop-filter: blur(8px);
border-bottom: 1px solid var(--border);
padding: .6rem 3rem;
display: flex; gap: 1.5rem; flex-wrap: wrap;
}
nav a {
font-family: var(--mono); font-size: 11px; color: var(--text3);
text-decoration: none; letter-spacing: .08em;
text-transform: uppercase; transition: color .15s;
}
nav a:hover { color: var(--accent); }
/* ── Main ── */
main { padding: 2rem 3rem 4rem; max-width: 1040px; }
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font-size: 12px; font-family: var(--mono);
letter-spacing: .12em; text-transform: uppercase;
color: var(--text3); margin-bottom: 1.4rem;
padding-bottom: .5rem; border-bottom: 1px solid var(--border);
display: flex; align-items: center; gap: .6rem;
}
section > h2::before {
content: ''; display: inline-block;
width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
h3 { font-size: 14px; font-weight: 500; color: #e8ecf4; margin: 1.6rem 0 .6rem; }
h4 { font-size: 13px; font-weight: 500; color: var(--text2); margin: 1.2rem 0 .4rem; }
p { color: var(--text); margin-bottom: .9rem; max-width: 780px; }
/* ── Math ── */
.math-block {
background: var(--bg3); border: 1px solid var(--border);
border-left: 3px solid var(--purple);
border-radius: 6px; padding: 1.2rem 1.5rem;
margin: 1rem 0 1.2rem; font-family: var(--mono);
font-size: 13px; line-height: 2.1; white-space: pre;
}
.math-block .eq { color: #e8ecf4; }
.math-block .cmt { color: var(--text3); font-style: italic; }
.math-block .hi { color: var(--teal); }
.math-block .hi2 { color: var(--warn); }
/* ── Notes ── */
.note {
border-radius: 6px; padding: .85rem 1.1rem;
font-size: 13px; line-height: 1.7; margin-bottom: 1.2rem;
}
.note.blue { background: rgba(74,158,255,.06); border-left: 3px solid var(--accent); }
.note.green { background: rgba(62,207,142,.06); border-left: 3px solid var(--ok); }
.note.amber { background: rgba(240,160,48,.06); border-left: 3px solid var(--warn); }
.note.red { background: rgba(255,92,92,.06); border-left: 3px solid var(--err); }
.note.purple { background: rgba(167,139,250,.06); border-left: 3px solid var(--purple); }
.note strong { color: #e8ecf4; }
/* ── Code ── */
code {
font-family: var(--mono); font-size: 11.5px;
background: rgba(255,255,255,.05); padding: 1px 5px;
border-radius: 3px; color: #a8c8f0;
}
pre {
font-family: var(--mono); font-size: 12px;
background: var(--bg3); border: 1px solid var(--border);
border-radius: 8px; padding: 1rem 1.2rem;
overflow-x: auto; line-height: 1.7; margin-bottom: 1rem; color: #c8cdd6;
}
.kw { color: var(--purple); }
.cmt { color: var(--text3); font-style: italic; }
.fn { color: var(--teal); }
.num { color: var(--warn); }
.str { color: var(--ok); }
/* ── Tables ── */
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}
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thead th {
background: var(--bg3); padding: 9px 14px; text-align: left;
font-weight: 500; font-size: 11px; letter-spacing: .06em;
text-transform: uppercase; color: var(--text2);
border-bottom: 1px solid var(--border2); white-space: nowrap;
}
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tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg3); }
td { padding: 9px 14px; vertical-align: top; line-height: 1.6; }
td.center { text-align: center; }
/* ── Badges ── */
.badge {
display: inline-block; font-size: 11px; padding: 2px 9px;
border-radius: 12px; font-family: var(--mono); white-space: nowrap;
}
.b-ok { background: rgba(62,207,142,.1); color: var(--ok); border: 1px solid rgba(62,207,142,.25); }
.b-warn { background: rgba(240,160,48,.1); color: var(--warn); border: 1px solid rgba(240,160,48,.25); }
.b-err { background: rgba(255,92,92,.1); color: var(--err); border: 1px solid rgba(255,92,92,.25); }
.b-info { background: rgba(74,158,255,.1); color: var(--accent); border: 1px solid rgba(74,158,255,.25); }
.b-na { background: rgba(74,84,96,.1); color: var(--text3); border: 1px solid var(--border2); }
/* ── Star rating ── */
.stars { color: var(--warn); letter-spacing: -.05em; }
.stars.dim { color: var(--border2); }
/* ── File list ── */
.file-list { list-style: none; }
.file-list li {
display: flex; gap: 1rem; align-items: flex-start;
padding: .7rem 1rem; background: var(--bg2);
border: 1px solid var(--border); border-radius: 4px; margin-bottom: .4rem;
}
.file-icon {
font-family: var(--mono); font-size: 11px; color: var(--accent);
white-space: nowrap; margin-top: 2px; min-width: 50px;
}
.file-desc { font-size: 13px; color: var(--text2); }
.file-desc strong { color: var(--text); display: block; margin-bottom: .2rem; }
/* ── Flowchart ── */
.flowchart {
background: var(--bg2); border: 1px solid var(--border);
border-radius: 10px; padding: 1.5rem; margin: 1rem 0 1.5rem;
overflow-x: auto;
}
/* ── Footer ── */
footer {
border-top: 1px solid var(--border); padding: 1.5rem 3rem;
font-family: var(--mono); font-size: 11px; color: var(--text3);
display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
}
footer a { color: var(--accent); text-decoration: none; }
/* ── Footnotes ── */
.footnotes {
margin-top: 2rem; padding-top: 1.5rem;
border-top: 1px solid var(--border);
font-size: 12px; color: var(--text2);
}
.footnotes p { max-width: none; margin-bottom: .5rem; }
sup { font-size: 10px; color: var(--accent); }
/* Default: alle Sprachelemente sichtbar (kein JS-Flash) */
/* Mit lang-Klasse auf body: nur die aktive Sprache sichtbar */
/* Nur wenn body eine Sprachklasse hat, werden Elemente ausgeblendet */
/* Sprach-Sichtbarkeit via class auf body */
/* ── Seitenspezifische Klassen ────────────────────────
(aus alter api_reference.html wiederhergestellt) */
.api-class {
background: var(--bg2); border: 1px solid var(--border);
border-radius: 10px; overflow: hidden; margin-bottom: 2.5rem;
}
.api-class-header {
background: var(--bg3); padding: 1rem 1.4rem;
border-bottom: 1px solid var(--border);
display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.api-class-name {
font-family: var(--mono); font-size: 16px; font-weight: 600;
color: var(--teal);
}
.api-class-pkg {
font-family: var(--mono); font-size: 11px; color: var(--text3);
}
.api-class-desc {
font-size: 13px; color: var(--text2);
padding: .8rem 1.4rem; border-bottom: 1px solid var(--border);
line-height: 1.6;
}
.method {
border-bottom: 1px solid var(--border); padding: 1rem 1.4rem;
display: grid; grid-template-columns: 1fr;
}
.method:last-child { border-bottom: none; }
.method:hover { background: rgba(255,255,255,.015); }
.method-sig {
font-family: var(--mono); font-size: 12.5px; margin-bottom: .5rem;
line-height: 1.5;
}
.method-sig .ret { color: var(--accent); }
.method-sig .name { color: var(--ok); font-weight: 500; }
.method-sig .param-name { color: #e8ecf4; }
.method-sig .param-type { color: var(--text2); }
.method-sig .throws { color: var(--warn); }
.method-desc { font-size: 13px; color: var(--text2); line-height: 1.65;
margin-bottom: .5rem; }
.method-chain {
font-family: var(--mono); font-size: 10px; color: var(--purple);
padding: 2px 7px; border-radius: 3px;
background: rgba(167,139,250,.08); border: 1px solid rgba(167,139,250,.2);
display: inline-block; margin-left: .4rem;
}
.method-return {
font-size: 12px; color: var(--text3); margin-top: .3rem;
}
.method-return span { color: var(--text2); }
.method-example {
margin-top: .7rem; background: var(--bg);
border: 1px solid var(--border); border-radius: 5px;
padding: .6rem .9rem; font-family: var(--mono); font-size: 11.5px;
color: #c8cdd6; line-height: 1.7; overflow-x: auto;
}
.enum-block {
background: var(--bg3); border: 1px solid var(--border);
border-radius: 8px; padding: 1rem 1.2rem; margin: 1rem 0;
font-family: var(--mono); font-size: 12px;
}
.enum-val { color: var(--teal); }
.enum-cmt { color: var(--text3); font-style: italic; }
</style>
<link rel="stylesheet" href="i18n.css">
</head>
<body>
<script>
(function(){
var stored = '';
try { stored = localStorage.getItem('cmdlang') || ''; } catch(e){}
var lang = stored || 'de';
function apply(l) {
lang = l;
try { localStorage.setItem('cmdlang', l); } catch(e){}
document.documentElement.lang = l;
var body = document.body;
body.classList.remove('lang-de','lang-en');
body.classList.add('lang-' + l);
document.querySelectorAll('.lang-btn').forEach(function(b){
b.classList.toggle('active', b.dataset.lang === l);
});
}
// Body-Klasse sofort setzen, damit data-lang-Elemente direkt korrekt
// sichtbar sind (kein Flash mit unsichtbarem Header-Inhalt).
apply(lang);
document.addEventListener('DOMContentLoaded', function(){
apply(lang); // erneut, damit jetzt auch die Buttons gestyled werden
document.querySelectorAll('.lang-btn').forEach(function(b){
b.addEventListener('click', function(){ apply(b.dataset.lang); });
});
// Sticky-Header Schatten via IntersectionObserver
var sentinel = document.querySelector('.header-sentinel');
var header = document.querySelector('.doc-header');
if (sentinel && header && 'IntersectionObserver' in window) {
new IntersectionObserver(function(entries){
header.classList.toggle('scrolled', !entries[0].isIntersecting);
}).observe(sentinel);
}
});
})();
</script>
<div class="header-sentinel"></div>
<div class="doc-header">
<div class="breadcrumb">
<a href="index.html">CMDSolver Docs</a>
›
</div>
<div class="doc-header-right"><div class="lang-switch"><button class="lang-btn" data-lang="de">DE</button><button class="lang-btn" data-lang="en">EN</button></div><span class="doc-badge overview">Referenz</span></div></div>
<div class="hero">
<div class="hero-sub"><span data-lang="de">API Referenz</span><span data-lang="en">API Reference</span></div>
<h1 data-lang="de">Programmatische API<br>Vollständige Referenz</h1><h1 data-lang="en">Programmatic API<br>Complete Reference</h1>
<p class="tagline" data-lang="de">Alle public Methoden von SolverAPI, SolverResult, SolverConfig.Builder, ParseError und SolverType — für die Einbettung von CMDSolver in eigene Anwendungen.</p>
<p class="tagline" data-lang="en">All public methods of SolverAPI, SolverResult, SolverConfig.Builder, ParseError and SolverType — for embedding CMDSolver into your own applications.</p>
</div>
<nav>
<a href="#solverapi" data-lang="de">SolverAPI</a><a href="#solverapi" data-lang="en">SolverAPI</a>
<a href="#solverresult" data-lang="de">SolverResult</a><a href="#solverresult" data-lang="en">SolverResult</a>
<a href="#solverconfig" data-lang="de">SolverConfig</a><a href="#solverconfig" data-lang="en">SolverConfig</a>
<a href="#parseerror" data-lang="de">ParseError</a><a href="#parseerror" data-lang="en">ParseError</a>
<a href="#solvertype" data-lang="de">SolverType</a><a href="#solvertype" data-lang="en">SolverType</a>
<a href="#homotopyconfig" data-lang="de">HomotopyConfig</a><a href="#homotopyconfig" data-lang="en">HomotopyConfig</a>
</nav>
<main>
<div class="note blue" data-lang="de">
<strong>Method-Chaining:</strong> Alle <code>SolverAPI</code>-Setter geben
<code>this</code> zurück und können daher verkettet werden.
<span class="method-chain">↩ this</span> zeigt diese Methoden an.
</div><div class="note blue" data-lang="en">
<strong>Method chaining:</strong> all <code>SolverAPI</code> setters return
<code>this</code> and can therefore be chained.
<span class="method-chain">↩ this</span> marks these methods.
</div>
<!-- ── SolverAPI ── -->
<section id="solverapi">
<h2 data-lang="de">SolverAPI</h2><h2 data-lang="en">SolverAPI</h2>
<div class="api-class">
<div class="api-class-header">
<span class="api-class-name">SolverAPI</span>
<span class="api-class-pkg">cmd.SolverAPI</span>
</div>
<div class="api-class-desc" data-lang="de">
Programmatischer Einstiegspunkt für CMDSolver ohne CLI. Kapselt Laden, Konfiguration
und Ausführung in einer fluenten API. Thread-safety: eine Instanz pro Thread.
</div><div class="api-class-desc" data-lang="en">
Programmatic entry point for CMDSolver without CLI. Encapsulates loading, configuration,
and execution in a fluent API. Thread safety: one instance per thread.
</div>
<!-- Konstruktor -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">SolverAPI</span>()
</div>
<div class="method-desc" data-lang="de">Erzeugt eine neue SolverAPI-Instanz mit Standard-Konfiguration
(Newton-Armijo, tol=1e-7, maxIter=100).</div><div class="method-desc" data-lang="en">Creates a new SolverAPI instance with default configuration
(Newton-Armijo, tol=1e-7, maxIter=100).</div>
</div>
<!-- loadModel -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">loadModel</span>(<span class="param-type">String</span> <span class="param-name">filePath</span>)
<span class="throws">throws IOException</span>
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Lädt und parst eine CAS-Datei vom Dateisystem. Muss vor <code>solve()</code> aufgerufen werden.</div><div class="method-desc" data-lang="en">Loads and parses a CAS file from the file system. Must be called before <code>solve()</code>.</div>
<div class="method-return" data-lang="de">Gibt: <span>diese Instanz für Method-Chaining</span></div><div class="method-return" data-lang="en">Returns: <span>this instance for method chaining</span></div>
<div class="method-example"><span class="kw">new</span> SolverAPI().loadModel(<span class="str">"model.cas"</span>).solve();</div>
</div>
<!-- loadModelFromString -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">loadModelFromString</span>(<span class="param-type">String</span> <span class="param-name">content</span>, <span class="param-type">long</span> <span class="param-name">refVal</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Lädt das CAS-Modell aus einem String statt aus einer Datei. Nützlich für dynamisch generierte Modelle oder Unit-Tests. <code>refVal</code> typisch: <code>content.length()</code>.</div><div class="method-desc" data-lang="en">Loads the CAS model from a string instead of a file. Useful for dynamically generated models or unit tests. <code>refVal</code> is typically <code>content.length()</code>.</div>
<div class="method-example">api.loadModelFromString(casContent, casContent.length());</div>
</div>
<!-- loadVariableUpdate -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">loadVariableUpdate</span>(<span class="param-type">String</span> <span class="param-name">filePath</span>)
<span class="throws">throws IOException</span>
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Lädt eine <code>-U:</code>-Datei mit Variablen-Overrides (Startwerte, Bounds, Status).
Äquivalent zu <code>-U:</code> auf der CLI.</div><div class="method-desc" data-lang="en">Loads a <code>-U:</code> file with variable overrides (starting values, bounds, status).
Equivalent to <code>-U:</code> on the CLI.</div>
</div>
<!-- setVariableValue -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setVariableValue</span>(<span class="param-type">String</span> <span class="param-name">name</span>, <span class="param-type">double</span> <span class="param-name">value</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Setzt den Startwert einer freien Variablen. Der Status (Free/Fixed) wird nicht geändert. Name ist case-insensitiv.</div><div class="method-desc" data-lang="en">Sets the starting value of a free variable. The status (Free/Fixed) is not changed. Name is case-insensitive.</div>
<div class="method-example">api.setVariableValue(<span class="str">"PARTM.F060.TT"</span>, <span class="num">800.0</span>);</div>
</div>
<!-- setVariableFixed -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setVariableFixed</span>(<span class="param-type">String</span> <span class="param-name">name</span>, <span class="param-type">double</span> <span class="param-name">value</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Fixiert eine Variable auf den angegebenen Wert — ändert Status auf Fixed und setzt den Wert. Damit wird die Variable zur Randbedingung.</div><div class="method-desc" data-lang="en">Fixes a variable to the given value — changes its status to Fixed and assigns the value. This turns the variable into a boundary condition.</div>
<div class="method-example">api.setVariableFixed(<span class="str">"AMB.PS"</span>, <span class="num">98136.535</span>); <span class="cmt" data-lang="de">// Umgebungsdruck fixieren</span><span class="cmt" data-lang="en">// Fix the ambient pressure</span></div>
</div>
<!-- setSolverType -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setSolverType</span>(<span class="param-type">SolverType</span> <span class="param-name">type</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Wählt den Solver-Algorithmus. Standard: <code>NEWTON_ARMIJO</code>.
Empfohlen: <code>NEWTON_SPARSE_ARMIJO</code> für die meisten Systeme.</div><div class="method-desc" data-lang="en">Selects the solver algorithm. Default: <code>NEWTON_ARMIJO</code>.
Recommended: <code>NEWTON_SPARSE_ARMIJO</code> for most systems.</div>
<div class="method-example">api.setSolverType(SolverType.NEWTON_SPARSE_ARMIJO);</div>
</div>
<!-- setTolerance -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setTolerance</span>(<span class="param-type">double</span> <span class="param-name">tolerance</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Setzt die absolute Konvergenzschwelle ||F(x)|| < tolerance. Standard: <code>1e-7</code>.</div><div class="method-desc" data-lang="en">Sets the absolute convergence threshold ||F(x)|| < tolerance. Default: <code>1e-7</code>.</div>
</div>
<!-- setToleranceRelative — neu v2.16 -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setToleranceRelative</span>(<span class="param-type">double</span> <span class="param-name">toleranceRelative</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">
Relatives Abbruchkriterium (neu in v2.16). Konvergenz wenn <code>fsum/fsum_initial < toleranceRelative</code>.
Verhindert Dominanz großer Gleichungen (Pa neben kg/s). Standard: <code>0</code> (deaktiviert).
</div><div class="method-desc" data-lang="en">
Relative termination criterion (new in v2.16). Convergence when <code>fsum/fsum_initial < toleranceRelative</code>.
Prevents dominance by large equations (Pa next to kg/s). Default: <code>0</code> (disabled).
</div>
<div class="method-example">api.<span class="fn">setToleranceRelative</span>(<span class="num">1e-4</span>); <span class="cmt">// 10.000× Verbesserung als Kriterium</span></div>
</div>
<!-- setMaxIterations -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setMaxIterations</span>(<span class="param-type">int</span> <span class="param-name">maxIter</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Maximale Iterationen vor Abbruch. Standard: <code>100</code>. Bei LM oder Homotopie ggf. auf 200+ erhöhen.</div><div class="method-desc" data-lang="en">Maximum iterations before abort. Default: <code>100</code>. For LM or homotopy, raise to 200+ if needed.</div>
</div>
<!-- setScaling -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setScaling</span>(<span class="param-type">ScalingStrategy</span> <span class="param-name">strategy</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Setzt die Skalierungsstrategie. <code>NONE</code> (Standard), <code>DIAGONAL</code>, <code>UNIT_INTERVAL</code>. Aktuell nur <code>NONE</code> aktiv — andere sind vorbereitet.</div><div class="method-desc" data-lang="en">Sets the scaling strategy. <code>NONE</code> (default), <code>DIAGONAL</code>, <code>UNIT_INTERVAL</code>. Currently only <code>NONE</code> is active — others are prepared.</div>
</div>
<!-- setResidualNormalization -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setResidualNormalization</span>(<span class="param-type">boolean</span> <span class="param-name">enabled</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Aktiviert Residuen-Normierung: fsum = Σ|Fᵢ(x)|/|Fᵢ(x₀)|. Hilfreich bei Systemen mit sehr unterschiedlichen Gleichungsgrößen.</div><div class="method-desc" data-lang="en">Enables residual normalization: fsum = Σ|Fᵢ(x)|/|Fᵢ(x₀)|. Helpful for systems with widely varying equation magnitudes.</div>
</div>
<!-- setDiagnoseMode -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setDiagnoseMode</span>(<span class="param-type">boolean</span> <span class="param-name">enabled</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Aktiviert Diagnose-Modus: <code>InitialValueAnalyzer</code> optimiert Startwerte vor dem Solve. Äquivalent zu <code>-DI</code>. Empfohlen bei schlechten Startwerten.</div><div class="method-desc" data-lang="en">Enables diagnostic mode: <code>InitialValueAnalyzer</code> optimizes starting values before the solve. Equivalent to <code>-DI</code>. Recommended when starting values are poor.</div>
</div>
<!-- setHomotopyConfig -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setHomotopyConfig</span>(<span class="param-type">HomotopyConfig</span> <span class="param-name">config</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Setzt Homotopie-Konfiguration — nur relevant wenn <code>setSolverType(HOMOTOPY)</code>. Vorgefertigte Konfigurationen: <code>HomotopyConfig.defaultConfig()</code>, <code>HomotopyConfig.criticalConfig()</code>.</div><div class="method-desc" data-lang="en">Sets homotopy configuration — only relevant when <code>setSolverType(HOMOTOPY)</code>. Predefined configurations: <code>HomotopyConfig.defaultConfig()</code>, <code>HomotopyConfig.criticalConfig()</code>.</div>
<div class="method-example">api.setSolverType(SolverType.HOMOTOPY)
.setHomotopyConfig(HomotopyConfig.criticalConfig()); <span class="cmt">// für κ > 10¹²</span></div>
</div>
<!-- setSolverConfig -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverAPI</span> <span class="name">setSolverConfig</span>(<span class="param-type">SolverConfig</span> <span class="param-name">config</span>)
<span class="method-chain">↩ this</span>
</div>
<div class="method-desc" data-lang="de">Setzt eine vollständige <code>SolverConfig</code> — überschreibt alle vorherigen setSolverType/setTolerance/etc. Aufrufe. Für maximale Kontrolle.</div><div class="method-desc" data-lang="en">Sets a complete <code>SolverConfig</code> — overrides any prior setSolverType/setTolerance/etc. calls. For maximum control.</div>
</div>
<!-- solve -->
<div class="method">
<div class="method-sig">
<span class="ret">SolverResult</span> <span class="name">solve</span>()
</div>
<div class="method-desc" data-lang="de">Führt den Solve-Prozess aus. Gibt immer ein <code>SolverResult</code> zurück — auch bei Fehler oder Nicht-Konvergenz. Nie <code>null</code>. Gibt nie eine Exception wenn <code>loadModel()</code> vorher erfolgreich war.</div><div class="method-desc" data-lang="en">Runs the solve. Always returns a <code>SolverResult</code> — even on failure or non-convergence. Never <code>null</code>. Never throws if <code>loadModel()</code> succeeded earlier.</div>
<div class="method-return">Gibt: <span>SolverResult mit vollständigem Lösungsvektor oder Fehlerstatus</span></div>
</div>
</div>
</section>
<!-- ── SolverResult ── -->
<section id="solverresult">
<h2 data-lang="de">SolverResult</h2><h2 data-lang="en">SolverResult</h2>
<div class="api-class">
<div class="api-class-header">
<span class="api-class-name">SolverResult</span>
<span class="api-class-pkg">cmd.SolverResult — final, nicht instanziierbar</span>
</div>
<div class="api-class-desc" data-lang="de">
Unveränderliches Ergebnisobjekt von <code>SolverAPI.solve()</code>.
Enthält Konvergenzstatus, Lösungsvektor, ParseErrors und Ausgabemethoden.
</div><div class="api-class-desc" data-lang="en">
Immutable result object from <code>SolverAPI.solve()</code>.
Contains convergence status, solution vector, ParseErrors, and output methods.
</div>
<div class="method">
<div class="method-sig"><span class="ret">boolean</span> <span class="name">isConverged</span>()</div>
<div class="method-desc" data-lang="de">Gibt <code>true</code> zurück wenn ||F(x)|| < tolerance.</div><div class="method-desc" data-lang="en">Returns <code>true</code> if ||F(x)|| < tolerance.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">int</span> <span class="name">getIterations</span>()</div>
<div class="method-desc" data-lang="de">Anzahl Solver-Iterationen. <code>-1</code> wenn nicht verfügbar (Homotopie).</div><div class="method-desc" data-lang="en">Number of solver iterations. <code>-1</code> if unavailable (Homotopy).</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">double</span> <span class="name">getFinalResidual</span>()</div>
<div class="method-desc" data-lang="de">Finales ||F(x)|| nach letztem Iterationsschritt. NaN wenn nicht verfügbar.</div><div class="method-desc" data-lang="en">Final ||F(x)|| after the last iteration step. NaN if unavailable.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">String</span> <span class="name">getErrorMessage</span>()</div>
<div class="method-desc" data-lang="de">Fehlermeldung wenn nicht konvergiert. <code>null</code> bei Erfolg.</div><div class="method-desc" data-lang="en">Error message when not converged. <code>null</code> on success.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">double</span> <span class="name">getValue</span>(<span class="param-type">String</span> <span class="param-name">variableName</span>)</div>
<div class="method-desc" data-lang="de">Gelöster Wert einer Variablen. Name ist case-insensitiv.
Gibt <code>Double.NaN</code> wenn Variable nicht vorhanden oder kein Ergebnis.</div><div class="method-desc" data-lang="en">Solved value of a variable. Name is case-insensitive.
Returns <code>Double.NaN</code> if the variable is missing or no result is available.</div>
<div class="method-example">double pt = result.getValue(<span class="str">"PARTM.F060.PT"</span>);
<span class="kw">if</span> (Double.isNaN(pt)) { <span class="cmt">/* Variable nicht gefunden */</span> }</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">boolean</span> <span class="name">hasValue</span>(<span class="param-type">String</span> <span class="param-name">variableName</span>)</div>
<div class="method-desc" data-lang="de">Prüft ob eine Variable im Lösungsvektor vorhanden ist.</div><div class="method-desc" data-lang="en">Checks whether a variable is present in the solution vector.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Map<String, Double></span> <span class="name">getAllValues</span>()</div>
<div class="method-desc" data-lang="de">Alle gelösten Variablenwerte als unveränderliche Map. Schlüssel sind Großbuchstaben-Variablennamen. Leere Map wenn kein Ergebnis.</div><div class="method-desc" data-lang="en">All solved variable values as an immutable map. Keys are uppercase variable names. Empty map if no result.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">boolean</span> <span class="name">hasParseErrors</span>()</div>
<div class="method-desc" data-lang="de">Gibt <code>true</code> wenn fatale ParseErrors beim CAS-Parsing aufgetreten sind.</div><div class="method-desc" data-lang="en">Returns <code>true</code> if fatal ParseErrors occurred during CAS parsing.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">List<ParseError></span> <span class="name">getParseErrors</span>()</div>
<div class="method-desc" data-lang="de">Alle ParseErrors (ERROR/WARNING/INFO) aus dem Parser-Lauf. Leere Liste wenn keine.</div><div class="method-desc" data-lang="en">All ParseErrors (ERROR/WARNING/INFO) from the parser run. Empty list if none.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">String</span> <span class="name">formatAsString</span>()</div>
<div class="method-desc" data-lang="de">Vollständiger Lösungsvektor als formatierter String — alle Variablen mit Wert, Bounds, Einheit und Status.</div><div class="method-desc" data-lang="en">Complete solution vector as a formatted string — all variables with value, bounds, unit, and status.</div>
</div>
<div class="method">
<div class="method-sig">
<span class="ret">void</span> <span class="name">writeToFile</span>(<span class="param-type">String</span> <span class="param-name">filePath</span>)
<span class="throws">throws IOException</span>
</div>
<div class="method-desc" data-lang="de">Schreibt den Lösungsvektor in eine Datei (Semikolon-getrenntes Format).</div><div class="method-desc" data-lang="en">Writes the solution vector to a file (semicolon-separated format).</div>
</div>
<div class="method">
<div class="method-sig">
<span class="ret">void</span> <span class="name">writeToWriter</span>(<span class="param-type">Writer</span> <span class="param-name">writer</span>)
<span class="throws">throws IOException</span>
</div>
<div class="method-desc" data-lang="de">Schreibt den Lösungsvektor in einen beliebigen <code>Writer</code> — für GUI-Integration via <code>StringWriter</code> oder direkt in <code>JTextArea</code>.</div><div class="method-desc" data-lang="en">Writes the solution vector to any <code>Writer</code> — for GUI integration via <code>StringWriter</code> or directly into <code>JTextArea</code>.</div>
<div class="method-example">StringWriter sw = <span class="kw">new</span> StringWriter();
result.writeToWriter(sw);
textArea.setText(sw.toString());</div>
</div>
</div>
</section>
<!-- ── SolverConfig ── -->
<section id="solverconfig">
<h2 data-lang="de">SolverConfig.Builder</h2><h2 data-lang="en">SolverConfig.Builder</h2>
<div class="api-class">
<div class="api-class-header">
<span class="api-class-name">SolverConfig.Builder</span>
<span class="api-class-pkg">apps.eqnParser.solver.SolverConfig.Builder</span>
</div>
<div class="api-class-desc" data-lang="de">
Builder-Pattern für vollständige Solver-Konfiguration.
Für einfache Fälle genügt <code>SolverAPI.setSolverType() / setTolerance()</code>.
Builder bietet Zugang zu allen internen Parametern.
</div><div class="api-class-desc" data-lang="en">
Builder pattern for complete solver configuration.
For simple cases, <code>SolverAPI.setSolverType() / setTolerance()</code> is sufficient.
The builder provides access to all internal parameters.
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">solverType</span>(<span class="param-type">SolverType</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Solver-Algorithmus. Standard: <code>NEWTON_ARMIJO</code>.</div><div class="method-desc" data-lang="en">Solver algorithm. Default: <code>NEWTON_ARMIJO</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">maxIter</span>(<span class="param-type">int</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Maximale Iterationen. Standard: <code>100</code>.</div><div class="method-desc" data-lang="en">Maximum iterations. Default: <code>100</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">tolerance</span>(<span class="param-type">double</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Konvergenzschwelle. Standard: <code>1e-7</code>.</div><div class="method-desc" data-lang="en">Convergence threshold. Default: <code>1e-7</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">armijoAlphaInit</span>(<span class="param-type">double</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Initialer Schrittweiten-Faktor für Armijo-Backtracking. Standard: <code>1.0</code>.</div><div class="method-desc" data-lang="en">Initial step-size factor for Armijo backtracking. Default: <code>1.0</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">armijoAlphaMin</span>(<span class="param-type">double</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Minimales α vor Abbruch der Liniensuche. Standard: <code>1e-4</code>.</div><div class="method-desc" data-lang="en">Minimum α before line search aborts. Default: <code>1e-4</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">armijoRho</span>(<span class="param-type">double</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Reduktionsfaktor pro Backtracking-Schritt. Standard: <code>0.5</code>.</div><div class="method-desc" data-lang="en">Reduction factor per backtracking step. Default: <code>0.5</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">lmMuInit</span>(<span class="param-type">double</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Initialer LM-Dämpfungsparameter. Standard: <code>1e-6</code>.</div><div class="method-desc" data-lang="en">Initial LM damping parameter. Default: <code>1e-6</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">lmNuUp</span>(<span class="param-type">double</span> <span class="param-name">v</span>) / <span class="name">lmNuDown</span>(<span class="param-type">double</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">μ-Erhöhungsfaktor (Standard: 2.0) und Reduktionsfaktor (Standard: 5.0) für LM.</div><div class="method-desc" data-lang="en">μ increase factor (default: 2.0) and reduction factor (default: 5.0) for LM.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">broydenResetInterval</span>(<span class="param-type">int</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">Jacobi-Reset-Intervall für Broyden. Standard: <code>25</code>.</div><div class="method-desc" data-lang="en">Jacobian reset interval for Broyden. Default: <code>25</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">Builder</span> <span class="name">residualNormalization</span>(<span class="param-type">boolean</span> <span class="param-name">v</span>)</div>
<div class="method-desc" data-lang="de">N3-Residuen-Normierung aktivieren. Standard: <code>false</code>.</div><div class="method-desc" data-lang="en">Enable N3 residual normalization. Default: <code>false</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">SolverConfig</span> <span class="name">build</span>()</div>
<div class="method-desc" data-lang="de">Erzeugt eine unveränderliche <code>SolverConfig</code>-Instanz.</div><div class="method-desc" data-lang="en">Creates an immutable <code>SolverConfig</code> instance.</div>
<div class="method-example">SolverConfig cfg = <span class="kw">new</span> SolverConfig.Builder()
.solverType(SolverType.LEVENBERG_MARQUARDT)
.maxIter(<span class="num">200</span>)
.lmMuInit(<span class="num">1e-4</span>)
.build();
api.setSolverConfig(cfg);</div>
</div>
</div>
</section>
<!-- ── ParseError ── -->
<section id="parseerror">
<h2 data-lang="de">ParseError</h2><h2 data-lang="en">ParseError</h2>
<div class="api-class">
<div class="api-class-header">
<span class="api-class-name">ParseError</span>
<span class="api-class-pkg">apps.eqnParser.ParseError</span>
</div>
<div class="api-class-desc" data-lang="de">
Typisierter Parser-Fehler mit Severity, Zeilennummer und Kontext.
Erzeugt von <code>EqnSysReader</code>, abgerufen via <code>SolverResult.getParseErrors()</code>.
</div><div class="api-class-desc" data-lang="en">
Typed parser error with severity, line number, and context.
Produced by <code>EqnSysReader</code>, retrieved via <code>SolverResult.getParseErrors()</code>.
</div>
<div class="method">
<div class="method-sig"><span class="ret">Severity</span> <span class="name">getSeverity</span>()</div>
<div class="method-desc">Schweregrad: <code>ERROR</code> (fatal, Solve nicht möglich), <code>WARNING</code> (möglicherweise problematisch), <code>INFO</code> (informativ).</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">int</span> <span class="name">getLineNumber</span>()</div>
<div class="method-desc" data-lang="de">Zeilennummer in der CAS-Datei wo der Fehler aufgetreten ist. <code>-1</code> wenn nicht bekannt.</div><div class="method-desc" data-lang="en">Line number in the CAS file where the error occurred. <code>-1</code> if unknown.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">String</span> <span class="name">getMessage</span>()</div>
<div class="method-desc" data-lang="de">Fehlerbeschreibung.</div><div class="method-desc" data-lang="en">Error description.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">String</span> <span class="name">getContext</span>()</div>
<div class="method-desc" data-lang="de">Zeilen-Inhalt oder Kontext-String zur Fehlerlokalisierung. Kann <code>null</code> sein.</div><div class="method-desc" data-lang="en">Line content or context string for error localization. May be <code>null</code>.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">String</span> <span class="name">format</span>()</div>
<div class="method-desc" data-lang="de">Formatierter String: <code>[ERROR] Line 47: Beschreibung — Kontext</code></div><div class="method-desc" data-lang="en">Formatted string: <code>[ERROR] Line 47: description — context</code></div>
<div class="method-example"><span class="kw">for</span> (ParseError e : result.getParseErrors()) {
System.err.println(e.format());
}</div>
</div>
</div>
</section>
<!-- ── SolverType ── -->
<section id="solvertype">
<h2 data-lang="de">SolverType — Enum</h2><h2 data-lang="en">SolverType — Enum</h2>
<div class="api-class">
<div class="api-class-header">
<span class="api-class-name">SolverType</span>
<span class="api-class-pkg">apps.eqnParser.solver.SolverType</span>
</div>
<div class="api-class-desc" data-lang="de">Aufzählung aller verfügbaren Solver-Algorithmen.</div><div class="api-class-desc" data-lang="en">Enumeration of all available solver algorithms.</div>
<div class="method">
<div class="enum-block">
<span class="enum-val">NEWTON_ARMIJO</span> <span class="enum-cmt">// Newton-Raphson + Armijo Liniensuche (dichte LU)</span>
<span class="enum-val">NEWTON_SPARSE</span> <span class="enum-cmt">// Newton-Raphson + GSPAR Sparse-LU (kein Backtracking)</span>
<span class="enum-val">NEWTON_SPARSE_ARMIJO</span> <span class="enum-cmt">// Newton + GSPAR Sparse-LU + Armijo ★ Empfohlen</span>
<span class="enum-val">LEVENBERG_MARQUARDT</span> <span class="enum-cmt">// LM — robust bei κ > 10¹²</span>
<span class="enum-val">BROYDEN</span> <span class="enum-cmt">// Broyden Quasi-Newton (Rang-1 Update, dichte LU)</span>
<span class="enum-val">BROYDEN_SPARSE</span> <span class="enum-cmt">// Broyden + GSPAR — schnellster in Tests</span>
<span class="enum-val">HOMOTOPY</span> <span class="enum-cmt">// Arc-Length Continuation — global, langsam</span>
</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">String</span> <span class="name">getDescription</span>()</div>
<div class="method-desc" data-lang="de">Beschreibungstext des Solvers für Log-Ausgaben.</div><div class="method-desc" data-lang="en">Descriptive text of the solver for log output.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">static SolverType</span> <span class="name">fromString</span>(<span class="param-type">String</span> <span class="param-name">name</span>)</div>
<div class="method-desc" data-lang="de">Parst einen SolverType aus einem String. Case-insensitiv. Gibt <code>NEWTON_ARMIJO</code> als Fallback wenn unbekannt.</div><div class="method-desc" data-lang="en">Parses a SolverType from a string. Case-insensitive. Returns <code>NEWTON_ARMIJO</code> as fallback if unknown.</div>
</div>
</div>
</section>
<!-- ── HomotopyConfig ── -->
<section id="homotopyconfig">
<h2 data-lang="de">HomotopyConfig</h2><h2 data-lang="en">HomotopyConfig</h2>
<div class="api-class">
<div class="api-class-header">
<span class="api-class-name">HomotopyConfig</span>
<span class="api-class-pkg">apps.eqnParser.solver.HomotopyConfig</span>
</div>
<div class="api-class-desc" data-lang="de">
Konfiguration für den Homotopie-Solver. Vorgefertigte Konfigurationen
decken die häufigsten Anwendungsfälle ab.
</div><div class="api-class-desc" data-lang="en">
Configuration for the homotopy solver. Predefined configurations
cover the most common use cases.
</div>
<div class="method">
<div class="method-sig"><span class="ret">static HomotopyConfig</span> <span class="name">defaultConfig</span>()</div>
<div class="method-desc" data-lang="de">Standard: 10 Schritte, ds=0.1, innerer Solver: NEWTON_ARMIJO.</div><div class="method-desc" data-lang="en">Default: 10 steps, ds=0.1, inner solver: NEWTON_ARMIJO.</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">static HomotopyConfig</span> <span class="name">criticalConfig</span>()</div>
<div class="method-desc" data-lang="de">Für schwierige Systeme (κ > 10¹², Ma-Übergänge): 50 Schritte, ds=0.02, dsMax=0.1, iterTarget=3.</div><div class="method-desc" data-lang="en">For challenging systems (κ > 10¹², Ma transitions): 50 steps, ds=0.02, dsMax=0.1, iterTarget=3.</div>
<div class="method-example"><span class="cmt">// Für NozzleSystem oder stark nichtlineare Modelle:</span>
api.setSolverType(SolverType.HOMOTOPY)
.setHomotopyConfig(HomotopyConfig.criticalConfig())
.solve();</div>
</div>
<div class="method">
<div class="method-sig"><span class="ret">HomotopyConfig.Builder</span> <span class="name">builder</span>()</div>
<div class="method-desc" data-lang="de">Erzeugt einen Builder für individuelle Konfiguration.
Methoden: <code>steps(int)</code>, <code>dsInit(double)</code>, <code>dsMax(double)</code>,
<code>innerSolverConfig(SolverConfig)</code>, <code>iterTarget(int)</code>.</div><div class="method-desc" data-lang="en">Creates a builder for custom configuration.
Methods: <code>steps(int)</code>, <code>dsInit(double)</code>, <code>dsMax(double)</code>,
<code>innerSolverConfig(SolverConfig)</code>, <code>iterTarget(int)</code>.</div>
</div>
</div>
</section>
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