ExpIntegralEi

ExpIntegralEi[z]
gives the exponential integral function .

DetailsDetails

  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • , where the principal value of the integral is taken.
  • ExpIntegralEi[z] has a branch cut discontinuity in the complex z plane running from to .
  • For certain special arguments, ExpIntegralEi automatically evaluates to exact values.
  • ExpIntegralEi can be evaluated to arbitrary numerical precision.
  • ExpIntegralEi automatically threads over lists.
New in 1
New to Mathematica? Find your learning path »
Have a question? Ask support »