Problem 42807. Approximate e

Solution 2634802

Submitted on 30 Jun 2020 by Nikolaos Nikolaou

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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) ans = 2.718281801146385e+00
2	Pass	a = 2^18; n = 0; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001) ans = 262144
3	Pass	a = pi; n = pi; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001) ans = 7.269862767931467e+01
4	Pass	a = -exp(1); n = exp(2); f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001) ans = -4.398663504056287e+03
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')))