Problem 44467. Product of Each Column

Solution 1922953

Submitted on 5 Sep 2019 by Nikolaos Nikolaou

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

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)) 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))) 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))) v = 69120 121500 3072000 155520 21600 216000 1843200 864000 69120 648000 4608