Cody

# Problem 44889. Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.

Solution 1859940

Submitted on 27 Jun 2019 by James
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [8 10 9 9 1 8 3 2 4 4 10 4 6 2 7 7 1 6 4 1]; y_correct = [4480 120 648 288 28]; assert(isequal(ProdMat(x),y_correct))

sx1 = 4 sx2 = 5 y = 1 1 1 1 1 y = 8 10 9 9 1 y = 64 30 18 36 4 y = 640 120 108 72 28 y = 4480 120 648 288 28

2   Pass
x = [7 4 1 4 5 3 7 5 7 1 6 6 6 9 8 2 2 8 6 7 9 8 4 9 6 7 5 1 2 8 9 3 5 5 7 9]; y_correct = [42 336 432 1728 540 1080 420 490 2520]; assert(isequal(ProdMat(x),y_correct))

sx1 = 4 sx2 = 9 y = 1 1 1 1 1 1 1 1 1 y = 7 4 1 4 5 3 7 5 7 y = 7 24 6 24 45 24 14 10 56 y = 42 168 54 192 180 216 84 70 280 y = 42 336 432 1728 540 1080 420 490 2520

3   Pass
filetext = fileread('ProdMat.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')

4   Pass
filetext = fileread('ProdMat.m'); assert(isempty(strfind(filetext, 'prod')),'prod() function is forbidden')

5   Pass
filetext = fileread('ProdMat.m'); assert(isempty(strfind(filetext, '!echo')),'!echo hacks are forbidden')