Cody

Problem 42807. Approximate e

Solution 876756

Submitted on 18 Apr 2016 by Jean-Marie Sainthillier
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Test Suite

Test Status Code Input and Output
1   Pass
a = 1; n = 1; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)
2   Pass
a = 2^18; n = 0; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)
3   Pass
a = pi; n = pi; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)
4   Pass
a = -exp(1); n = exp(2); f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)
5   Pass
filetext = fileread('approx_e.m'); assert(isempty(strfind(filetext,'exp'))) assert(isempty(strfind(filetext,'str'))) assert(isempty(strfind(filetext,'cat'))) assert(isempty(strfind(filetext,'feval'))) assert(all(cellfun(@(z)str2num(z)==round(str2num(z)),regexp(filetext,'[0123456789.]+','match')))) assert(isempty(regexp(filetext,'\d+e')))

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