Cody

Problem 2587. Find indices of diagonal elements

Solution 4394150

Submitted on 21 Dec 2020
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Test Suite

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   Fail
x = magic(5); b = 5; assert(isequal(diag_indices(x,-4),b))

Assertion failed.
3   Fail
x = magic(5); a = 21; assert(isequal(diag_indices(x,4),a))

Assertion failed.
4   Fail
x = magic(5); z = 5; assert(isequal(diag_indices(x,-4),z))

Assertion failed.
5   Fail
x = magic(6); a = [19 26 33]; assert(isequal(diag_indices(x,3),a))

Assertion failed.
6   Fail
x1 = magic(50); y_correct = 50; assert(isequal(diag_indices(x1,-49),y_correct))

Assertion failed.
7   Fail
x2 = magic(50); y_correct = [49 100]; assert(isequal(diag_indices(x2,-48),y_correct))

Assertion failed.
8   Fail
y = magic(50); v = [48 99 150]; assert(isequal(diag_indices(y,-47),v))

Assertion failed.
9   Fail
v=[1 2 3;4 5 6;1 2 3]; t = [1 5 9]; assert(isequal(diag_indices(v,0),t))

Assertion failed.
10   Fail
x=[1 2;1 2]; y_correct = 3; assert(isequal(diag_indices(x,1),y_correct))

Assertion failed.
11   Fail
x=[1 1 1;1 1 1;1 1 1]; t = [1 5 9]; assert(isequal(diag_indices(x,0),t))

Assertion failed.
12   Fail
y=[1 2 3;1 2 3]; y_correct = [1 4]; assert(isequal(diag_indices(y,0),y_correct))

Assertion failed.

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