Cody

# Problem 44467. Product of Each Column

Solution 1625060

Submitted on 10 Sep 2018 by Michael Cappello
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### Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('myProd.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')

2   Pass
filetext = fileread('myProd.m'); assert(isempty(strfind(filetext, 'prod')),'Cannot use prod() function')

3   Pass
mat = ones(5); v_correct = ones(1, 5); assert(isequal(myProd(mat),v_correct))

R = 5 C = 5 v = 1 v = 1 1 v = 1 1 1 v = 1 1 1 1 v = 1 1 1 1 1

4   Pass
mat = [ 1, 2, 3, 4; 5, 6, 7, 2; 2, 3, 4, 5]; v_correct = [10, 36, 84, 40]; assert(isequal(myProd(mat),prod(mat)))

R = 3 C = 4 v = 10 v = 10 36 v = 10 36 84 v = 10 36 84 40

5   Pass
m = randi([5,15]); n = randi([5,15]); mat = randi(5, n, m); v_correct = prod(mat); assert(isequal(myProd(mat),prod(mat)))

R = 6 C = 6 v = 15 v = 15 3600 v = 15 3600 900 v = 15 3600 900 1350 v = 15 3600 900 1350 96 v = 15 3600 900 1350 96 480