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.

Cosine Integral Function

(cos-integral z)

The cosine integral function defined by

  Ci(z) = integrate((cos(t) - 1)/t, t, 0, z) + log(z) + %gamma

where %gamma is the Euler-Mascheroni constant.

See also SinIntegral.

Last modified 4 years ago Last modified on 12/06/11 04:25:46