Check whether the given angle is between zero and pi.
Return logical true or false.
First non-zero element in each column
Matrix indexing with two vectors of indices
Rotate input square matrix 90 degrees CCW without rot90
UICBioE240 problem 1.2
Area of a Square
Person of interest?
letter yes yes & letter no no
Acidity of vinegar and salts
Given a square and a circle, please decide whether the square covers more area.
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