Cody

Problem 972. Set a diagonal

Solution 2732181

Submitted on 23 Jul 2020 by carlos fuentes
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Test Suite

Test Status Code Input and Output
1   Pass
M = 1; v = 7; d = 0; M2 = 7; assert(isequal(setDiagonal(M,v,d),M2)); assert(isequal(setDiagonal(M,v),M2));
2   Pass
M = magic(5); v = 1:3; d = 2; M2 = M; M2([11,17,23]) = v; assert(isequal(setDiagonal(M,v,d),M2));
3   Pass
M = rand(6); v = [.2 -.2]; d = -4; M2 = M; M2([5,12]) = v; assert(isequal(setDiagonal(M,v,d),M2));
4   Pass
M = zeros(99); v = ones(1,99); d = 0; M2 = eye(99); assert(isequal(setDiagonal(M,v),M2)); assert(isequal(setDiagonal(M,v,d),M2));
5   Pass
M = zeros(3); v = -1:1; d = 0; M2 = diag(v); assert(isequal(setDiagonal(M,v),M2)); assert(isequal(setDiagonal(M,v,d),M2));

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