Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.
You really need to supply more test cases if you want to go far in software engineering...
This is just lame, and without a proper test case.
Terrible test set.
Find all elements less than 0 or greater than 10 and replace them with NaN
Remove the vowels
Remove the two elements next to NaN value
Given a matrix, return the last eigen value
Given a 4x4 matrix, swap the two middle columns
Rotate a Matrix
Get the length of a given vector
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