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 1815086

Submitted on 14 May 2019 by Tom Holz

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

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))
2	Pass	x = randi(10,4,5); m=zeroWrap(x); assert(isequal(m(2:end-1,2:end-1),x))
3	Pass	x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(1,:)),0))
4	Pass	x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(end,:)),0))
5	Pass	x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(:,1)),0))
6	Pass	x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(:,end)),0))
7	Pass	x = randi(10,4,5); m=zeroWrap(x); assert(isequal(size(m)-2,size(x)))