forked from kscience/kmath
53 lines
5.3 KiB
HTML
53 lines
5.3 KiB
HTML
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<title>derive</title>
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</head><body><link href="../../../../../images/logo-icon.svg" rel="icon" type="image/svg"><script>var pathToRoot = "../../../";</script><script type="text/javascript" src="../../../scripts/sourceset_dependencies.js" async></script><link href="../../../styles/style.css" rel="Stylesheet"><link href="../../../styles/logo-styles.css" rel="Stylesheet"><link href="../../../styles/jetbrains-mono.css" rel="Stylesheet"><link href="../../../styles/main.css" rel="Stylesheet"><script type="text/javascript" src="../../../scripts/clipboard.js" async></script><script type="text/javascript" src="../../../scripts/navigation-loader.js" async></script><script type="text/javascript" src="../../../scripts/platform-content-handler.js" async></script><script type="text/javascript" src="../../../scripts/main.js" async></script>
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<div class="main-content" id="content" pageids="kmath-core::space.kscience.kmath.expressions/SimpleAutoDiffField/derive/#TypeParam(bounds=[kotlin.Any?])#kotlin.Function2[TypeParam(bounds=[space.kscience.kmath.operations.Field[TypeParam(bounds=[kotlin.Any])]]),TypeParam(bounds=[kotlin.Any?]),kotlin.Unit]/PointingToDeclaration//244675578">
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<div class="breadcrumbs"><a href="../../index.html">kmath-core</a>/<a href="../index.html">space.kscience.kmath.expressions</a>/<a href="index.html">SimpleAutoDiffField</a>/<a href="derive.html">derive</a></div>
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<div class="filter-section" id="filter-section"><button class="platform-tag platform-selector common-like" data-active="" data-filter=":kmath-core:dokkaHtmlPartial/commonMain">common</button></div>
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<div class="cover ">
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<h1 class="cover"><span>derive</span></h1>
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</div>
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<div class="divergent-group" data-filterable-current=":kmath-core:dokkaHtmlPartial/commonMain" data-filterable-set=":kmath-core:dokkaHtmlPartial/commonMain"><div class="with-platform-tags"><span class="pull-right"></span></div>
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<div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-depenent-content" data-active="" data-togglable=":kmath-core:dokkaHtmlPartial/commonMain"><div class="symbol monospace">fun <<a href="derive.html">R</a>> <a href="derive.html">derive</a>(value: <a href="derive.html">R</a>, block: <a href="index.html">F</a>.(<a href="derive.html">R</a>) -> <a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html">Unit</a>): <a href="derive.html">R</a><span class="top-right-position"><span class="copy-icon"></span><div class="copy-popup-wrapper popup-to-left"><span class="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div></div></div>
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<p class="paragraph">Performs update of derivative after the rest of the formula in the back-pass.</p><p class="paragraph">For example, implementation of <code>sin</code> function is:</p><div class="sample-container"><code class="" theme="idea"><pre>fun AD.sin(x: Variable): Variable = derive(Variable(sin(x.x)) { z -> // call derive with function result<br> x.d += z.d * cos(x.x) // update derivative using chain rule and derivative of the function<br>}</pre></code></div></div>
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<h2 class="">Sources</h2>
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<div class="table" data-togglable="Sources"><a data-name="-1958203737%2FSource%2F244675578" anchor-label="https://github.com/mipt-npm/kmath/tree/master/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/SimpleAutoDiff.kt#L122" id="-1958203737%2FSource%2F244675578" data-filterable-set=":kmath-core:dokkaHtmlPartial/commonMain"></a>
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<div class=""><span class="inline-flex"><a href="https://github.com/mipt-npm/kmath/tree/master/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/SimpleAutoDiff.kt#L122">common source</a><span class="anchor-wrapper"><span class="anchor-icon" pointing-to="-1958203737%2FSource%2F244675578"></span>
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<div class="footer"><span class="go-to-top-icon"><a href="#content"></a></span><span>© 2021 Copyright</span><span class="pull-right"><span>Generated by </span><a href="https://github.com/Kotlin/dokka"><span>dokka</span><span class="padded-icon"></span></a></span></div>
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