Cody

Problem 1153. Accessing elements on the diagonal

Solution 229381

Submitted on 11 Apr 2013
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Test Suite

Test Status Code Input and Output
1   Fail
%% x = [1:10]; y_correct = 1; assert(isequal(diagonal(x),y_correct))

```Error: Subscript indices must either be real positive integers or logicals. ```

2   Fail
%% x = [1:10]'; y_correct = 1; assert(isequal(diagonal(x),y_correct))

```Error: Subscript indices must either be real positive integers or logicals. ```

3   Fail
%% x = magic(3); y_correct = [8 5 2]; assert(isequal(diagonal(x),y_correct))

```Error: Subscript indices must either be real positive integers or logicals. ```

4   Fail
%% x = [1:3;4:6;7:9;10:12]; y_correct = [1 5 9]; assert(isequal(diagonal(x),y_correct))

```Error: Subscript indices must either be real positive integers or logicals. ```

5   Fail
%% x = [1:3;4:6;7:9;10:12]'; y_correct = [1 5 9]; assert(isequal(diagonal(x),y_correct))

```Error: Subscript indices must either be real positive integers or logicals. ```