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<meta name="generator" content="Docutils 0.14: http://docutils.sourceforge.net/" /> |
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<title>Mathematics</title> |
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<link rel="stylesheet" href="../input/data/html4css1.css" type="text/css" /> |
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<link rel="stylesheet" href="../input/data/math.css" type="text/css" /> |
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<body> |
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<div class="document" id="mathematics"> |
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<h1 class="title">Mathematics</h1> |
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<p>Docutils supports inline math with the prefix or postfix <tt class="docutils literal">:math:</tt> |
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role specificator, <span class="formula"><i>n</i>! + sin(<i>x</i><span class="scripts"><sup class="script">2</sup><sub class="script"><i>n</i></sub></span>)</span> and <span class="formula"><i>A</i><sub><span class="text">c</span></sub> = <span class="fraction"><span class="ignored">(</span><span class="numerator"><i>π</i></span><span class="ignored">)/(</span><span class="denominator">4</span><span class="ignored">)</span></span><i>d</i><sup>2</sup></span>, as well as displayed math via the |
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<cite>math</cite> directive:</p> |
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<div class="formula"> |
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<i>f</i>(<i>ϵ</i>) = <span class="fraction"><span class="ignored">(</span><span class="numerator">1</span><span class="ignored">)/(</span><span class="denominator">1 + exp<span class="array"><span class="arrayrow"><span class="bracket align-left">⎛</span></span><span class="arrayrow"><span class="bracket align-left">⎝</span></span></span><span class="fraction"><span class="ignored">(</span><span class="numerator"><i>ε</i></span><span class="ignored">)/(</span><span class="denominator"><i>k</i><sub><span class="text">B</span></sub><i>T</i></span><span class="ignored">)</span></span><span class="array"><span class="arrayrow"><span class="bracket align-right">⎞</span></span><span class="arrayrow"><span class="bracket align-right">⎠</span></span></span></span><span class="ignored">)</span></span> |
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</div> |
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<p>Content may start on the first line of the directive, e.g.</p> |
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<div class="formula"> |
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<i>N</i> = <span class="fraction"><span class="ignored">(</span><span class="numerator"><span class="text">number of apples</span></span><span class="ignored">)/(</span><span class="denominator">7</span><span class="ignored">)</span></span> |
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</div> |
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<p>Equations can be labeled with a reference name using the <tt class="docutils literal">:name:</tt> option. |
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See <a class="reference internal" href="#eq-m">eq:M</a> and <a class="reference internal" href="#eq-schrodinger">eq:schrödinger</a> below.</p> |
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<p>The determinant of the matrix</p> |
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<div class="formula" id="eq-m"> |
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<b>M</b> = <span class="array"><span class="arrayrow"><span class="bracket align-left">⎛</span></span><span class="arrayrow"><span class="bracket align-left">⎜</span></span><span class="arrayrow"><span class="bracket align-left">⎝</span></span></span><span class="array"><span class="arrayrow"> |
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<span class="arraycell align-c"> |
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<i>a</i> |
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</span> |
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<span class="arraycell align-c"> |
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<i>b</i> |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="arraycell align-c"> |
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</span> |
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<span class="arraycell align-c"> |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="arraycell align-c"> |
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<i>c</i> |
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</span> |
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<span class="arraycell align-c"> |
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<i>d</i> |
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</span> |
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</span> |
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</span><span class="array"><span class="arrayrow"><span class="bracket align-right">⎞</span></span><span class="arrayrow"><span class="bracket align-right">⎟</span></span><span class="arrayrow"><span class="bracket align-right">⎠</span></span></span> |
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</div> |
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<p>is <span class="formula">|<b>M</b>| = <i>ad</i> − <i>bc</i></span>.</p> |
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<p>More than one display math block can be put in one math directive. |
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For example, the following sum and integral with limits:</p> |
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<div class="formula"> |
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<span class="limits"><sup class="limit">1</sup><span class="limit">⌠</span><span class="limit">⌡</span><sub class="limit">0</sub></span><i>x</i><sup><i>n</i></sup><i>dx</i> = <span class="fraction"><span class="ignored">(</span><span class="numerator">1</span><span class="ignored">)/(</span><span class="denominator"><i>n</i> + 1</span><span class="ignored">)</span></span> |
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</div> |
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<div class="formula"> |
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<span class="limits"><sup class="limit"><i>m</i></sup><span class="limit">⎲</span><span class="limit">⎳</span><sub class="limit"><i>n</i> = 1</sub></span><i>n</i> = <span class="fraction"><span class="ignored">(</span><span class="numerator"><i>m</i>(<i>m</i> + 1)</span><span class="ignored">)/(</span><span class="denominator">2</span><span class="ignored">)</span></span> |
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</div> |
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<p>LaTeX-supported Unicode math symbols can be used in math roles and |
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directives:</p> |
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<p>The Schrödinger equation</p> |
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<div class="formula" id="eq-schrodinger"> |
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<i>i</i>ℏ<span class="fraction"><span class="ignored">(</span><span class="numerator">∂</span><span class="ignored">)/(</span><span class="denominator">∂<i>t</i></span><span class="ignored">)</span></span>Ψ = <i>Ĥ</i>Ψ, |
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</div> |
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<p>with the <em>wave function</em> <span class="formula">Ψ</span>, describes how the quantum state of a |
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physical system changes in time.</p> |
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<dl class="docutils"> |
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<dt>Math-Accents:</dt> |
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<dd><table border="1" class="colwidths-given borderless first last docutils"> |
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<colgroup> |
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<col width="33%" /> |
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<col width="33%" /> |
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<col width="33%" /> |
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</colgroup> |
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<tbody valign="top"> |
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<tr><td><span class="formula"><i>á</i></span> <tt class="docutils literal">\acute{a}</tt></td> |
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<td><span class="formula"><i>ṫ</i></span> <tt class="docutils literal">\dot{t}</tt></td> |
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<td><span class="formula"><i>γ̂</i></span> <tt class="docutils literal"><span class="pre">\hat{\gamma}</span></tt></td> |
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</tr> |
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<tr><td><span class="formula"><i>à</i></span> <tt class="docutils literal">\grave{a}</tt></td> |
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<td><span class="formula"><i>ẗ</i></span> <tt class="docutils literal">\ddot{t}</tt></td> |
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<td><span class="formula"><i>α̃</i></span> <tt class="docutils literal"><span class="pre">\tilde{\alpha}</span></tt></td> |
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</tr> |
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<tr><td><span class="formula"><i>x̆</i></span> <tt class="docutils literal">\breve{x}</tt></td> |
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<td><span class="formula"><i>t⃛</i></span> <tt class="docutils literal">\dddot{t}</tt></td> |
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<td><span class="formula"><i>ı⃗</i></span> <tt class="docutils literal"><span class="pre">\vec{\imath}</span></tt></td> |
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</tr> |
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<tr><td><span class="formula"><i>ǎ</i></span> <tt class="docutils literal">\check{a}</tt></td> |
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<td><span class="formula"><span class="bar"><i>a</i></span></span> <tt class="docutils literal">\bar{a}</tt></td> |
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<td><span class="formula"><i>R⃗</i></span> <tt class="docutils literal">\vec{R}</tt></td> |
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</tr> |
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</tbody> |
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</table> |
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</dd> |
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</dl> |
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<!-- \widetilde{xxx} |
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\widehat{xxx} --> |
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<p>Modulation Transfer Function:</p> |
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<div class="formula"> |
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<span class="text">MTF</span> = <span class="array"><span class="arrayrow"><span class="bracket align-left">|</span></span><span class="arrayrow"><span class="bracket align-left">|</span></span></span><span class="fraction"><span class="ignored">(</span><span class="numerator">ℱ{<i>s</i>(<i>x</i>)}</span><span class="ignored">)/(</span><span class="denominator">ℱ{<i>s</i>(<i>x</i>)}|<sub><i>ω</i><sub><i>x</i></sub> = 0</sub></span><span class="ignored">)</span></span><span class="array"><span class="arrayrow"><span class="bracket align-right">|</span></span><span class="arrayrow"><span class="bracket align-right">|</span></span></span> = <span class="mathrm"> abs</span><span class="array"><span class="arrayrow"><span class="bracket align-left">⎛</span></span><span class="arrayrow"><span class="bracket align-left">⎝</span></span></span><span class="fraction"><span class="ignored">(</span><span class="numerator"><span class="limits"><span class="limit">⌠</span><span class="limit">⌡</span></span><span class="scripts"><sup class="script">∞</sup><sub class="script"> − ∞</sub></span><i>s</i>(<i>x</i>)<span class="mathrm">e</span><sup><span class="mathrm">i</span><i>ω</i><sub><i>x</i></sub><i>x</i></sup><span class="mathrm">d</span><i>x</i></span><span class="ignored">)/(</span><span class="denominator"><span class="limits"><span class="limit">⌠</span><span class="limit">⌡</span></span><span class="scripts"><sup class="script">∞</sup><sub class="script"> − ∞</sub></span><i>s</i>(<i>x</i>)<span class="mathrm">d</span><i>x</i></span><span class="ignored">)</span></span><span class="array"><span class="arrayrow"><span class="bracket align-right">⎞</span></span><span class="arrayrow"><span class="bracket align-right">⎠</span></span></span>. |
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</div> |
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<p>Math split over two lines: If a double backslash is detected outside a |
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<tt class="docutils literal"><span class="pre">\begin{...}</span> <span class="pre">\end{...}</span></tt> pair, the math code is wrapped in an <a class="reference external" href="ftp://ftp.ams.org/ams/doc/amsmath/short-math-guide.pdf">AMSmath</a> |
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<tt class="docutils literal">align</tt> environment:</p> |
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<div class="formula"> |
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<span class="environment"><span class="arrayrow"> |
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<span class="arraycell align-r"> |
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<i>s</i><sub><span class="mathrm">out</span></sub>(<i>x</i>) |
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</span> |
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<span class="arraycell align-l"> |
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= <i>s</i><sub><span class="mathrm">in</span></sub>(<i>x</i>’)*<i>s</i><sub><i>δ</i></sub>(<i>x</i> − <i>x</i>’) |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="arraycell align-r"> |
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</span> |
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<span class="arraycell align-l"> |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="arraycell align-r"> |
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</span> |
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<span class="arraycell align-l"> |
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= <span class="limits"><span class="limit">⌠</span><span class="limit">⌡</span></span><i>s</i><sub><span class="mathrm">in</span></sub>(<i>x</i>’)<i>s</i><sub><i>δ</i></sub>(<i>x</i> − <i>x</i>’)<span class="mathrm">d</span><i>x</i>’ |
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</span> |
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</span> |
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</span> |
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</div> |
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<p>Cases ("manually", with <tt class="docutils literal">matrix</tt> environment):</p> |
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<div class="formula"> |
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<span class="mathrm">sgn</span>(<i>x</i>) = <span class="array"><span class="arrayrow"><span class="bracket align-left">⎧</span></span><span class="arrayrow"><span class="bracket align-left">⎨</span></span><span class="arrayrow"><span class="bracket align-left">⎩</span></span></span><span class="array"><span class="arrayrow"> |
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<span class="arraycell align-c"> |
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− 1 |
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</span> |
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<span class="arraycell align-c"> |
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<i>x</i> < 0 |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="arraycell align-c"> |
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</span> |
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<span class="arraycell align-c"> |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="arraycell align-c"> |
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1 |
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</span> |
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<span class="arraycell align-c"> |
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<i>x</i> > 0 |
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</span> |
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</span> |
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</span><span class="emptydot"></span> |
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</div> |
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<p>Cases with the <a class="reference external" href="ftp://ftp.ams.org/ams/doc/amsmath/short-math-guide.pdf">AMSmath</a> <tt class="docutils literal">cases</tt> environment (not (yet) supported by |
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HTML writers with <tt class="docutils literal"><span class="pre">--math-output=MathML</span></tt>):</p> |
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<div class="formula"> |
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<span class="mathrm">sgn</span>(<i>x</i>) = <span class="array"><span class="arrayrow"><span class="bracket align-l">⎧</span></span><span class="arrayrow"><span class="bracket align-l">⎨</span></span><span class="arrayrow"><span class="bracket align-l">⎩</span></span></span><span class="bracketcases"> |
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<span class="arrayrow"> |
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<span class="case align-l"> |
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− 1 |
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</span> |
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<span class="case align-l"> |
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<i>x</i> < 0 |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="case align-l"> |
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</span> |
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<span class="case align-l"> |
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</span> |
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</span> |
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<span class="arrayrow"> |
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<span class="case align-l"> |
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1 |
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</span> |
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<span class="case align-l"> |
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<i>x</i> > 0 |
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</span> |
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</span> |
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</span> |
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</div> |
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</div> |
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</body> |
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</html>
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