WSJT-X/boost/libs/math/doc/equations/igamma16.mml

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<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
<mrow>
<mi>P</mi>
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<mi>a</mi>
<mo>,</mo>
<mi>x</mi>
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<mspace width="1em"/>
<mo>=</mo>
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<mfrac>
<mn>1</mn>
<mn>2</mn>
</mfrac>
<mtext>erfc</mtext>
<mfenced>
<mrow>
<msqrt>
<mi>y</mi>
</msqrt>
</mrow>
</mfenced>
<mo>&#x2212;</mo>
<mfrac>
<msup>
<mi>e</mi>
<mrow>
<mo>&#x2212;</mo>
<mi>y</mi>
</mrow>
</msup>
<mrow>
<msqrt>
<mrow>
<mn>2</mn>
<mi>&#x03C0;</mi>
<mi>a</mi>
</mrow>
</msqrt>
</mrow>
</mfrac>
<mi>T</mi>
<mfenced>
<mrow>
<mi>a</mi>
<mo>,</mo>
<mi>&#x03BB;</mi>
</mrow>
</mfenced>
<mspace width="1em"/>
<mo>;</mo>
<mspace width="1em"/>
<mi>&#x03BB;</mi>
<mo>&#x2264;</mo>
<mn>1</mn>
</mrow>
</math>