close
Warning:
Can't synchronize with repository "(default)" (/project/oct/public_html/git/oct.git does not appear to be a Git repository.). Look in the Trac log for more information.
 Timestamp:

12/06/11 04:25:46 (5 years ago)
 Author:

rtoy
 Comment:


Legend:
 Unmodified
 Added
 Removed
 Modified

v1

v1


 1  = Cosine Integral Function = 
 2  
 3  {{{(cosintegral z)}}} 
 4  
 5  The cosine integral function defined by 
 6  
 7  {{{ 
 8  Ci(z) = integrate((cos(t)  1)/t, t, 0, z) + log(z) + %gamma 
 9  }}} 
 10  
 11  where {{{%gamma}}} is the EulerMascheroni constant. 
 12  
 13  See also [wiki:SinIntegral]. 