Problem 44496. vector indexes for a matrix

Solution 3378868

Submitted on 25 Oct 2020 by Dyuman Joshi

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Test	Status	Code Input and Output
1	Pass	M = [1 2 3; 4 5 6; 7 8 9]; P = [1 2 3]; Q= [1 2 3]; y_correct = [1,5,9]; assert(isequal(Matrix_VectorIndexes(M,P,Q),y_correct))
2	Pass	M = [2 5 8; 3 6 9; 4 7 10]; P = [1 3 2]; Q = [1 1 2]; y_correct = [2,4,6]; assert(isequal(Matrix_VectorIndexes(M,P,Q),y_correct))
3	Pass	M = [1 5 4; 7 9 6; 8 2 3]; P = 1:3; Q = 3:-1:1; y_correct = [4,9,8]; assert(isequal(Matrix_VectorIndexes(M,P,Q),y_correct))
4	Pass	M = [1 5 4; 7 9 6; 8 2 3]; P = reshape(repmat((1:3)',[1,3]),[1,9]); Q = reshape(repmat(1:3,[3,1]),[1,9]); y_correct = M(:)'; assert(isequal(Matrix_VectorIndexes(M,P,Q),y_correct))
5	Pass	M = [1 5 4 2; 7 9 6 1; 8 2 3 5]; P = [2,1,3,2]; Q = 1:4; y_correct = [7,5,3,1]; assert(isequal(Matrix_VectorIndexes(M,P,Q),y_correct))

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