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].
Most nonzero elements in row
Back to basics 10 - Max Float
Angle between two vectors
Whether the input is vector?
Say something funny
Calculate feeling temperature before climbing a mountain
Average of even-numbered columns
Probability of red tulips (at both ends of a row)
Average of odd values
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