igamma13.mml

来自「Boost provides free peer-reviewed portab」· MML 代码 · 共 105 行

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow>
    <msup>
      <mi>e</mi>
      <mrow>
        <mi>x</mi>
        <mo>&#x2212;</mo>
        <mi>a</mi>
      </mrow>
    </msup>
    <msup>
      <mfenced>
        <mrow>
          <mfrac>
            <mi>x</mi>
            <mrow>
              <mi>a</mi>
              <mo>+</mo>
              <mi>g</mi>
              <mo>&#x2212;</mo>
              <mn>0.5</mn>
            </mrow>
          </mfrac>
        </mrow>
      </mfenced>
      <mi>a</mi>
    </msup>
    <mspace width="1em"/>
    <mo>=</mo>
    <mspace width="1em"/>
    <msup>
      <mi>e</mi>
      <mfenced>
        <mrow>
          <mi>a</mi>
          <mtext>log1pmx</mtext>
          <mfenced>
            <mrow>
              <mfrac>
                <mrow>
                  <mi>x</mi>
                  <mo>&#x2212;</mo>
                  <mi>a</mi>
                  <mo>&#x2212;</mo>
                  <mi>g</mi>
                  <mo>+</mo>
                  <mn>0.5</mn>
                </mrow>
                <mrow>
                  <mi>a</mi>
                  <mo>+</mo>
                  <mi>g</mi>
                  <mo>&#x2212;</mo>
                  <mn>0.5</mn>
                </mrow>
              </mfrac>
            </mrow>
          </mfenced>
          <mo>+</mo>
          <mfrac>
            <mrow>
              <mi>x</mi>
              <mfenced>
                <mrow>
                  <mn>0.5</mn>
                  <mo>&#x2212;</mo>
                  <mi>g</mi>
                </mrow>
              </mfenced>
            </mrow>
            <mrow>
              <mi>a</mi>
              <mo>+</mo>
              <mi>g</mi>
              <mo>&#x2212;</mo>
              <mn>0.5</mn>
            </mrow>
          </mfrac>
        </mrow>
      </mfenced>
    </msup>
    <mspace width="1em"/>
    <mo>;</mo>
    <mspace width="1em"/>
    <mtext>log1pmx</mtext>
    <mfenced>
      <mrow>
        <mi>z</mi>
      </mrow>
    </mfenced>
    <mo>=</mo>
    <mi>ln</mi>
    <mfenced>
      <mrow>
        <mn>1</mn>
        <mo>+</mo>
        <mi>z</mi>
      </mrow>
    </mfenced>
    <mo>&#x2212;</mo>
    <mi>z</mi>
  </mrow>
</math>