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expint_Ei

PURPOSE

% EXPINT_EI compute the exponential integral,

SYNOPSIS

function y = expint_Ei(x)

DESCRIPTION

% EXPINT_EI compute the exponential integral,
%
%                      infinity
%                     /
%    expint_Ei(x) = - | exp(t)/t dt
%                     /
%                     -x
%
% See also expint, expint_E1.

CROSS-REFERENCE INFORMATION

This function calls:

expint_Ei % EXPINT_EI compute the exponential integral,
factorial % Return the factorial of @var{n} where @var{n} is a positive integer. If

This function is called by:

Ci % CI compute the cosine integral function define by:
expint_E1 % EXPINT_E1 compute the exponential integral,
expint_Ei % EXPINT_EI compute the exponential integral,