Delete the column with all 0 data in a matrix(x).
input x =
1 0 0 4
5 0 7 0
9 0 11 0
output y =
1 0 4
5 7 0
9 11 0
Should include some test cases with negative numbers in the Test Suite. For example, several submissions would fail for x = [1, −1; −1, 1].
Determine whether a vector is monotonically increasing
Rounding off numbers to n decimals
Find the minimal value in N*N Matrix
Average of even-numbered columns
Delete the column with all 0 in the TABLE
Average of odd values
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