Cody

Problem 42807. Approximate e

Solution 2634775

Submitted on 30 Jun 2020
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Test Suite

Test Status Code Input and Output
1   Fail
a = 1; n = 1; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)

t = 1.7183

Output argument "f" (and maybe others) not assigned during call to "approx_e". Error in Test1 (line 4) assert(abs(approx_e(a,n)-f_correct)<.001)

2   Fail
a = 2^18; n = 0; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)

t = 1.7183

Output argument "f" (and maybe others) not assigned during call to "approx_e". Error in Test2 (line 4) assert(abs(approx_e(a,n)-f_correct)<.001)

3   Fail
a = pi; n = pi; f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)

t = 1.7183

Output argument "f" (and maybe others) not assigned during call to "approx_e". Error in Test3 (line 4) assert(abs(approx_e(a,n)-f_correct)<.001)

4   Fail
a = -exp(1); n = exp(2); f_correct = a*exp(n); assert(abs(approx_e(a,n)-f_correct)<.001)

t = 1.7183

Output argument "f" (and maybe others) not assigned during call to "approx_e". Error in Test4 (line 4) 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')))