Cody

# Problem 44247. Delete the column with all 0 !

Solution 2057012

Submitted on 13 Dec 2019 by Asif Newaz
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=[1 0 0 4;5 0 7 0; 9 0 11 0] y_correct = [1 0 4;5 7 0; 9 11 0] assert(isequal(DelCols(x),y_correct))

x = 1 0 0 4 5 0 7 0 9 0 11 0 y_correct = 1 0 4 5 7 0 9 11 0 a = 3 b = 4 c = 15 0 18 4 d = 2 x = 1 0 4 5 7 0 9 11 0 y = 1 0 4 5 7 0 9 11 0

2   Pass
x=[1:5;2:6;3:7] y_correct = [1:5;2:6;3:7] assert(isequal(DelCols(x),y_correct))

x = 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 y_correct = 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 a = 3 b = 5 c = 6 9 12 15 18 d = 1×0 empty double row vector x = 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 y = 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7

3   Pass
x=zeros(10) x(:,3)=7 y_correct =repmat(7,1,10)' assert(isequal(DelCols(x),y_correct))

x = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x = 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 y_correct = 7 7 7 7 7 7 7 7 7 7 a = 10 b = 10 c = 0 0 70 0 0 0 0 0 0 0 d = 1 2 4 5 6 7 8 9 10 x = 7 7 7 7 7 7 7 7 7 7 y = 7 7 7 7 7 7 7 7 7 7