Cody

Problem 2178. Matrix multiplication across rows

Solution 1001269

Submitted on 7 Oct 2016 by Massimo Zanetti
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Test Suite

Test Status Code Input and Output
1   Pass
x =[ 1 2 3; 4 5 6; 7 8 9]; y_correct = [1 2 6;4 20 120; 7 56 504]; assert(isequal(MatMultiply(x),y_correct))

y = 1 2 6 4 20 120 7 56 504
2   Pass
x =reshape([1:10], 2,5); y_correct = [ 1 3 15 105 945; 2 8 48 384 3840;]; assert(isequal(MatMultiply(x),y_correct))

y = 1 3 15 105 945 2 8 48 384 3840
3   Pass
x =eye(5); y_correct = [ 1 0 0 0 0; 0 0 0 0 0; 0 0 0 0 0; 0 0 0 0 0; 0 0 0 0 0;]; assert(isequal(MatMultiply(x),y_correct))

y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
4   Pass
x =ones(7); y_correct = ones(7); assert(isequal(MatMultiply(x),y_correct))

y = 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

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