libs/math/doc/sf_and_dist/equations/poisson_ref1.mml

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   2   <mrow>
   3     <mtext>f</mtext>
   4     <mfenced>
   5       <mrow>
   6         <mi>k</mi>
   7         <mo>;</mo>
   8         <mi>&#x03BB;</mi>
   9       </mrow>
  10     </mfenced>
  11     <mspace width="1em"/>
  12     <mo>=</mo>
  13     <mspace width="1em"/>
  14     <mfrac>
  15       <mrow>
  16         <msup>
  17           <mi>e</mi>
  18           <mrow>
  19             <mo>&#x2212;</mo>
  20             <mi>&#x03BB;</mi>
  21           </mrow>
  22         </msup>
  23         <msup>
  24           <mi>&#x03BB;</mi>
  25           <mi>k</mi>
  26         </msup>
  27       </mrow>
  28       <mrow>
  29         <mi>k</mi>
  30         <mo>!</mo>
  31       </mrow>
  32     </mfrac>
  33   </mrow>
  34 </math>
  35