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Chebfun V4

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Chebfun V4

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30 Apr 2009 (Updated )

Numerical computation with functions instead of numbers.

Editor's Notes:

This file was selected as MATLAB Central Pick of the Week

std_test
function pass = std_test
% Check that std of a complex chebfun gives the correct real result.
% (A Level 0 chebtest)
% Nick Hale, May 2010

tol = chebfunpref('eps');
f = chebfun('1+2i + sqrt(x)','splitting','on',[-1 0 1]);
err = std(f) - sqrt(5/18);
pass(1) = err < tol;

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