Cody

# Problem 43632. Find the product of the positive elements above the main diagonal.

Solution 1038721

Submitted on 30 Oct 2016 by Natalya Kavetska
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### Test Suite

Test Status Code Input and Output
1   Pass
A = [1 2; -3 0]; y_correct = 2; assert(isequal(productOfN(A),y_correct))

y = 0 A = 1 -3 2 0 A = 0 0 2 0 A = 2 y = 2

2   Pass
A = ones(8); y_correct = 1; assert(isequal(productOfN(A),y_correct))

y = 0 A = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 A = 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 0 A = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 y = 1

3   Pass
A = [-1 -3 -6; -6 0 -5; 1 2 5] y_correct = 0; assert(isequal(productOfN(A),y_correct))

A = -1 -3 -6 -6 0 -5 1 2 5 y = 0 A = -1 -6 1 -3 0 2 -6 -5 5 A = 0 0 0 -3 0 0 -6 -5 0 A = 0×1 empty double column vector

4   Pass
A = [-1 3 6; -6 0 -5; 1 2 -1] y_correct = 18; assert(isequal(productOfN(A),y_correct))

A = -1 3 6 -6 0 -5 1 2 -1 y = 0 A = -1 -6 1 3 0 2 6 -5 -1 A = 0 0 0 3 0 0 6 -5 0 A = 3 6 y = 18