Cody

# Problem 364. Matrix spiral

Solution 46669

Submitted on 20 Feb 2012 by @bmtran (Bryant Tran)
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   Pass
%% n = 1; y_correct =[0]; assert(isequal(Matrix_Spiral(n),y_correct))

2   Pass
%% n = 2; y_correct =[11 11 0 0]; assert(isequal(Matrix_Spiral(n),y_correct))

3   Pass
%% n = 3; y_correct =[11 11 11 0 0 11 0 0 0]; assert(isequal(Matrix_Spiral(n),y_correct))

4   Pass
%% n = 4; y_correct =[11 11 11 11 0 0 0 11 0 0 11 11 0 0 0 0]; assert(isequal(Matrix_Spiral(n),y_correct))

5   Pass
%% n = 5; y_correct =[11 11 11 11 11 0 0 0 0 11 0 0 11 0 11 0 0 11 11 11 0 0 0 0 0]; assert(isequal(Matrix_Spiral(n),y_correct))

6   Pass
%% n = 10; y_correct =[11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 11 11 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0]; assert(isequal(Matrix_Spiral(n),y_correct))

A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 11 11 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 11 0 11 0 0 11 0 11 11 0 11 0 11 0 0 11 0 11 0 0 11 0 11 0 0 11 0 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 A = 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 ...

7   Pass
%% n = 17; y_correct =[11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 0 0 0 0 0 11 0 11 0 0 11 0 11 11 11 11 11 11 11 11 11 0 11 0 11 0 0 11 0 11 0 0 0 0 0 0 0 11 0 11 0 11 0 0 11 0 11 0 11 11 11 11 11 0 11 0 11 0 11 0 0 11 0 11 0 11 0 0 0 11 0 11 0 11 0 11 0 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 0 11 0 11 0 11 0 11 11 11 0 11 0 11 0 11 0 0 11 0 11 0 11 0 0 0 0 0 11 0 11 0 11 0 0 11 0 11 0 11 11 11 11 11 11 11 0 11 0 11 0 0 11 0 11 0 0 0 0 0 0 0 0 0 11 0 11 0 0 11 0 11 11 11 11 11 11 11 11 11 11 11 0 11 0 0 11 0 0 0 0 0 0 0 0 0 0 0 0 0 11 0 0 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]; assert(isequal(Matrix_Spiral(n),y_correct))

A = Columns 1 through 10 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 11 11 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 Columns 11 through 17 11 11 11 11 11 11 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 A = Columns 1 through 10 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 11 11 11 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 Columns 11 through 17 11 11 11 11 11 11 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 A = Columns 1 through 10 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 11 11 11 11 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 Columns 11 through 17 11 11 11 11 11 11 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 A = Columns 1 through 10 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 11 11 11 11 11 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 Columns 11 through 17 11 11 11 11 11 11 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 A = Columns 1 through 10 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 Columns 11 through 17 11 11 11 11 11 11 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 0 0 0 0 0 0 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 A = Columns 1 through 10 11 11 11 11 11 11 11 11 11 11 0 0 0 0 0 0 0 0 0 0 0 0 11 11 11 11 11 11 11 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 0 11 ...