legendre_3.mml

来自「Boost provides free peer-reviewed portab」· MML 代码 · 共 107 行

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow>
    <mtable>
      <mtr>
        <mtd>
          <msubsup>
            <mi>P</mi>
            <mrow>
              <mi>l</mi>
            </mrow>
            <mrow>
              <mo>&#x2212;</mo>
              <mi>m</mi>
            </mrow>
          </msubsup>
          <mfenced>
            <mrow>
              <mi>x</mi>
            </mrow>
          </mfenced>
          <mspace width="1em"/>
          <mo>=</mo>
          <mspace width="1em"/>
          <msup>
            <mfenced>
              <mrow>
                <mo>&#x2212;</mo>
                <mn>1</mn>
              </mrow>
            </mfenced>
            <mi>m</mi>
          </msup>
          <mfrac>
            <mrow>
              <mfenced>
                <mrow>
                  <mi>l</mi>
                  <mo>&#x2212;</mo>
                  <mi>m</mi>
                </mrow>
              </mfenced>
              <mo>!</mo>
            </mrow>
            <mrow>
              <mfenced>
                <mrow>
                  <mi>l</mi>
                  <mo>+</mo>
                  <mi>m</mi>
                </mrow>
              </mfenced>
              <mo>!</mo>
            </mrow>
          </mfrac>
          <msubsup>
            <mi>P</mi>
            <mrow>
              <mi>l</mi>
            </mrow>
            <mi>m</mi>
          </msubsup>
          <mfenced>
            <mrow>
              <mi>x</mi>
            </mrow>
          </mfenced>
        </mtd>
      </mtr>
      <mtr>
        <mtd>
          <msubsup>
            <mi>P</mi>
            <mrow>
              <mo>&#x2212;</mo>
              <mi>l</mi>
              <mo>&#x2212;</mo>
              <mn>1</mn>
            </mrow>
            <mi>m</mi>
          </msubsup>
          <mfenced>
            <mrow>
              <mi>x</mi>
            </mrow>
          </mfenced>
          <mspace width="1em"/>
          <mo>=</mo>
          <mspace width="1em"/>
          <msubsup>
            <mi>P</mi>
            <mrow>
              <mi>l</mi>
            </mrow>
            <mi>m</mi>
          </msubsup>
          <mfenced>
            <mrow>
              <mi>x</mi>
            </mrow>
          </mfenced>
        </mtd>
      </mtr>
    </mtable>
  </mrow>
</math>