Cody

Problem 44887. Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:

Solution 1802200

Submitted on 1 May 2019 by Barak Brodsly
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Test Suite

Test Status Code Input and Output
1   Pass
x = [1]; y_correct = [0 0 0 0 1 0 0 0 0]; assert(isequal(zeroWrap(x),y_correct))

m = 1 n = 1

2   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(m(2:end-1,2:end-1),x))

m = 4 n = 5

3   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(1,:)),0))

m = 4 n = 5

4   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(end,:)),0))

m = 4 n = 5

5   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(:,1)),0))

m = 4 n = 5

6   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(:,end)),0))

m = 4 n = 5

7   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(size(m)-2,size(x)))

m = 4 n = 5