Cody

Problem 44247. Delete the column with all 0 !

Solution 3818743

Submitted on 24 Nov 2020 by Akrem Hadji
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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 v = 15 0 18 4 w = 1 2 3 4 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 v = 6 9 12 15 18 w = 1 2 3 4 5 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 v = 0 0 70 0 0 0 0 0 0 0 w = 1 2 3 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

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