Cody

# Problem 615. Nilpotent matrix

Solution 173046

Submitted on 5 Dec 2012
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### Test Suite

Test Status Code Input and Output
1   Fail
%% x = 1; y_correct = false; assert(isequal(isnilpotent(x),y_correct))

```Error: Undefined function or variable 'x'. ```

2   Fail
%% x = gallery('chebspec',5,0); y_correct = true; assert(isequal(isnilpotent(x),y_correct))

```Error: Undefined function or variable 'x'. ```

3   Fail
%% x = gallery('chebspec',3,0); y_correct = true; assert(isequal(isnilpotent(x),y_correct))

```Error: Undefined function or variable 'x'. ```

4   Fail
%% x = [1 0 0;0 2 0; 0 0 -3]; y_correct = false; assert(isequal(isnilpotent(x),y_correct))

```Error: Undefined function or variable 'x'. ```

5   Fail
%% x = [6 -9; 4 -6]; y_correct = true; assert(isequal(isnilpotent(x),y_correct))

```Error: Undefined function or variable 'x'. ```

6   Fail
%% x = rand(50); y_correct = false; assert(isequal(isnilpotent(x),y_correct))

```Error: Undefined function or variable 'x'. ```