Problem 1422. frame of the matrix

Solution 1501922

Submitted on 23 Apr 2018 by Shaul Salomon

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Test	Status	Code Input and Output
1	Pass	x = eye(9); y = [1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1]; assert(isequal(external_frame(x),y))
2	Pass	x = magic(7); y = [47 7 9 18 27 6 8 17 26 35 14 16 25 34 36 15 24 33 42 44 23 32 41 43 3]; assert(isequal(external_frame(x),y))
3	Pass	x = ones(2,2); y = []; assert(isequal(external_frame(x),y))
4	Pass	x = zeros(2,2); y = []; assert(isequal(external_frame(x),y))
5	Pass	x = eye(3); y = 1; assert(isequal(external_frame(x),y))
6	Pass	x = ones(6,8); y = ones(4,6); assert(isequal(external_frame(x),y))
7	Pass	x = 1; y = []; assert(isequal(external_frame(x),y))