Cody

# Problem 1422. frame of the matrix

Solution 877563

Submitted on 19 Apr 2016
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### Test Suite

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))

x = 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

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))

x = 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

3   Pass
x = ones(2,2); y = []; assert(isequal(external_frame(x),y))

x = []

4   Pass
x = zeros(2,2); y = []; assert(isequal(external_frame(x),y))

x = []

5   Pass
x = eye(3); y = 1; assert(isequal(external_frame(x),y))

x = 1

6   Fail
x = ones(6,8); y = ones(4,6); assert(isequal(external_frame(x),y))

Index exceeds matrix dimensions. Error in external_frame (line 2) x = x(2:(length(x)-1),2:(length(x)-1)) Error in TestPoint6 (line 3) assert(isequal(external_frame(x),y))

7   Pass
x = 1; y = []; assert(isequal(external_frame(x),y))

x = []