Cody™

Problem 351. Back to basics 8 - Matrix Diagonals

Solution 103442

Submitted on 27 Jun 2012 by Dirk Engel
  • Size: 10
  • This is the leading solution.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
Solve This Problem View on Solution Map

Test Suite

Test Status Code Input and Output
1   Pass
%% x = [1:4]; y_correct = [1 0 0 0; 0 2 0 0; 0 0 3 0; 0 0 0 4]; assert(isequal(diag_array(x),y_correct))

2   Pass
%% x = [100 23 3.14 12 200]; y_correct = [100.0000 0 0 0 0; 0 23.0000 0 0 0; 0 0 3.1400 0 0; 0 0 0 12.0000 0; 0 0 0 0 200.0000] assert(isequal(diag_array(x),y_correct))

y_correct = 100.0000 0 0 0 0 0 23.0000 0 0 0 0 0 3.1400 0 0 0 0 0 12.0000 0 0 0 0 0 200.0000