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Special math functions module

This module features additional coefficient-wise math functions available within the numext:: namespace for the scalar version, and as method and/or free functions of Array. Those include:

  • erf
  • erfc
  • lgamma
  • igamma
  • igamma_der_a
  • gamma_sample_der_alpha
  • igammac
  • digamma
  • ndtri
  • polygamma
  • zeta
  • betainc

Bessel Functions

  • bessel_i0
  • bessel_i0e
  • bessel_i1
  • bessel_i1e
  • bessel_j0
  • bessel_j1
  • bessel_k0
  • bessel_k0e
  • bessel_k1
  • bessel_k1e
  • bessel_y0
  • bessel_y1
#include <unsupported/Eigen/SpecialFunctions>