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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

exps_cumsum
function pass = exps_cumsum
% Tests cumsum with exponents
% Nick Hale, Nov 2009

tol = chebfunpref('eps');

f = chebfun('1./sqrt(x)',[0 1],'exps',[-.5 -0]);
g = chebfun('2*sqrt(x)',[0 1],'exps',[.5 0]);

pass = norm(cumsum(f)-g,inf) < 500*tol;


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