Cody

# Problem 1448. Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.

Solution 265631

Submitted on 22 Jun 2013
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Fail
%% x = 2; y_correct = [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1 1 1 1 1] ; assert(isequal(your_fcn_name(x),y_correct))

```Error: Evaluation of 'y=~mod(ceil(sqrt(spiral(n))/2+0.5)),2' failed: Error using mod Not enough input arguments. ```

2   Fail
%% x = 3; y_correct = [1 1 1 1 1 1 1 1 1; 1 2 2 2 2 2 2 2 1; 1 2 3 3 3 3 3 2 1; 1 2 3 2 2 2 3 2 1; 1 2 3 2 1 2 3 2 1; 1 2 3 2 2 2 3 2 1;1 2 3 3 3 3 3 2 1;1 2 2 2 2 2 2 2 1;1 1 1 1 1 1 1 1 1] ; assert(isequal(your_fcn_name(x),y_correct))

```Error: Evaluation of 'y=~mod(ceil(sqrt(spiral(n))/2+0.5)),2' failed: Error using mod Not enough input arguments. ```

3   Fail
%% x = 1; y_correct = [1]; assert(isequal(your_fcn_name(x),y_correct))

```Error: Evaluation of 'y=~mod(ceil(sqrt(spiral(n))/2+0.5)),2' failed: Error using mod Not enough input arguments. ```