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 1831478

Submitted on 30 May 2019 by Barak Brodsly
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### 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))

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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