ceph/src/boost/libs/math/doc/equations/trigamma1.mml

   1 <?xml version='1.0'?>
   2 <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN'
   3   'http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd'
   4   [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]>
   5 <html xmlns='http://www.w3.org/1999/xhtml'>
   6 <head><title>trigamma1</title>
   7 <!-- MathML created with MathCast Equation Editor version 0.89 -->
   8 </head>
   9 <body>
  10 <math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  11   <mrow>
  12     <msup>
  13       <mi>&#x03C8;</mi>
  14       <mfenced>
  15         <mrow>
  16           <mn>1</mn>
  17         </mrow>
  18       </mfenced>
  19     </msup>
  20     <mfenced>
  21       <mrow>
  22         <mi>x</mi>
  23       </mrow>
  24     </mfenced>
  25     <mo>=</mo>
  26     <munderover>
  27       <mo>&#x2211;</mo>
  28       <mrow>
  29         <mi>k</mi>
  30         <mo>=</mo>
  31         <mn>0</mn>
  32       </mrow>
  33       <mi>&#x221E;</mi>
  34     </munderover>
  35     <mfrac>
  36       <mn>1</mn>
  37       <mrow>
  38         <msup>
  39           <mfenced>
  40             <mrow>
  41               <mi>k</mi>
  42               <mo>+</mo>
  43               <mi>x</mi>
  44             </mrow>
  45           </mfenced>
  46           <mn>2</mn>
  47         </msup>
  48       </mrow>
  49     </mfrac>
  50     <mo>=</mo>
  51     <mfrac>
  52       <mrow>
  53         <mo>&#x2202;</mo>
  54         <mi>&#x03C8;</mi>
  55         <mfenced>
  56           <mrow>
  57             <mi>x</mi>
  58           </mrow>
  59         </mfenced>
  60       </mrow>
  61       <mrow>
  62         <mo>&#x2202;</mo>
  63         <mi>x</mi>
  64       </mrow>
  65     </mfrac>
  66   </mrow>
  67 </math>
  68 </body>
  69 </html>