Problem 2587. Find indices of diagonal elements

Solution 1535817

Submitted on 21 May 2018 by Jason Nicholson

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Test	Status	Code Input and Output
1	Pass	x = [1 2 3;4 5 6;7 8 9]; a = [1 5 9]; assert(isequal(diag_indices(x,0),a))
2	Pass	x = magic(5); b = 5; assert(isequal(diag_indices(x,-4),b))
3	Pass	x = magic(5); a = 21; assert(isequal(diag_indices(x,4),a))
4	Pass	x = magic(5); z = 5; assert(isequal(diag_indices(x,-4),z))
5	Pass	x = magic(6); a = [19 26 33]; assert(isequal(diag_indices(x,3),a))
6	Pass	x1 = magic(50); y_correct = 50; assert(isequal(diag_indices(x1,-49),y_correct))
7	Pass	x2 = magic(50); y_correct = [49 100]; assert(isequal(diag_indices(x2,-48),y_correct))
8	Pass	y = magic(50); v = [48 99 150]; assert(isequal(diag_indices(y,-47),v))
9	Pass	v=[1 2 3;4 5 6;1 2 3]; t = [1 5 9]; assert(isequal(diag_indices(v,0),t))
10	Pass	x=[1 2;1 2]; y_correct = 3; assert(isequal(diag_indices(x,1),y_correct))
11	Pass	x=[1 1 1;1 1 1;1 1 1]; t = [1 5 9]; assert(isequal(diag_indices(x,0),t))
12	Pass	y=[1 2 3;1 2 3]; y_correct = [1 4]; assert(isequal(diag_indices(y,0),y_correct))

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