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 1831478

Submitted on 30 May 2019 by Barak Brodsly

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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)) v = 4480 calc = 1 v = 4480 120 calc = 1 v = 4480 120 648 calc = 1 v = 4480 120 648 288 calc = 1 v = 4480 120 648 288 28 calc = 1
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)) v = 42 calc = 1 v = 42 336 calc = 1 v = 42 336 432 calc = 1 v = 42 336 432 1728 calc = 1 v = 42 336 432 1728 540 calc = 1 v = 42 336 432 1728 540 1080 calc = 1 v = 42 336 432 1728 540 1080 420 calc = 1 v = 42 336 432 1728 540 1080 420 490 calc = 1 v = 42 336 432 1728 540 1080 420 490 2520 calc = 1
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')

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