expint
Exponential integral E_n(x).
Syntax
Section titled “Syntax”Y = expint(x)Y = expint(x, n)Description
Section titled “Description”Returns E_n(x) = ∫₁^∞ exp(-x*t) / t^n dt. Default n = 1 gives the standard exponential integral.
Example
Section titled “Example”expint(1) % ≈ 0.2194See also
Section titled “See also”expon_dist— Exponential-distribution PDF or CDF.