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.
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Remove the two elements next to NaN value
Element by element multiplication of two vectors
Get the length of a given vector
Rotate a Matrix
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