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 1883576

Submitted on 25 Jul 2019 by HH
• Size: 7
• 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.

### Test Suite

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint1 (line 5) In solutionTest (line 3)]

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint2 (line 2) In solutionTest (line 5)]

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint3 (line 2) In solutionTest (line 7)]

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint4 (line 2) In solutionTest (line 9)]

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint5 (line 2) In solutionTest (line 11)]

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint6 (line 2) In solutionTest (line 13)]

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In zeroWrap (line 2) In ScoringEngineTestPoint7 (line 2) In solutionTest (line 15)]