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Member of the advanced class.

Syntax

c = expint(a)

Description

Computes the exponential integral of the input elements. For all real x>0, expint(x) = integral(exp(-t)/t), t, x, inf).

Examples

Inputs

Name	Description
a	Specifies a real or complex matrix.

Outputs

Name	Description
c	Returns the exponential integral of each of the elements in a. c is a real or complex matrix of the same size as a.

Examples

A = [1+i, 1; -1, 2-3i]
C = expint(A)