gstools.tools.exp_int

gstools.tools.exp_int(s, x)[source]

Calculate the exponential integral E_s(x).

Given by: E_s(x) = \int_1^\infty \frac{e^{-xt}}{t^s}\,\mathrm dt

Parameters

  • s (float) – exponent in the integral (should be > -100)

  • x (numpy.ndarray) – input values