Cody

# Problem 44467. Product of Each Column

Solution 1543008

Submitted on 29 May 2018 by Guy Marom
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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))

p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 p = 1 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)))

p = 1 p = 5 p = 10 p = 2 p = 12 p = 36 p = 3 p = 21 p = 84 p = 4 p = 8 p = 40 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)))

p = 1 p = 5 p = 25 p = 75 p = 225 p = 225 p = 225 p = 450 p = 900 p = 900 p = 3 p = 3 p = 12 p = 48 p = 48 p = 192 p = 576 p = 2880 p = 2880 p = 2880 p = 5 p = 20 p = 40 p = 200 p = 400 p = 800 p = 2400 p = 7200 p = 14400 p = 28800 p = 1 p = 5 p = 25 p = 25 p = 100 p = 100 p = 200 p = 400 p = 1200 p = 6000 p = 1 p = 2 p = 10 p = 10 p = 10 p = 40 p = 120 p = 240 p = 480 p = 960 p = 1 p = 2 p = 2 p = 8 p = 16 p = 48 p = 48 p = 144 p = 432 p = 1728 p = 4 p = 4 p = 8 p = 24 p = 24 p = 48 p = 144 p = 576 p = 2304 p = 4608 p = 1 p = 5 p = 20 p = 40 p = 160 p = 160 p = 480 p = 1920 p = 3840 p = 19200 p = 5 p = 20 p = 100 p = 200 p = 600 p = 1800 p = 7200 p = 7200 p = 7200 p = 7200 900 2880 28800 6000 960 1728 4608 19200 7200