Find the sum, given the first term t1, the common ratio r, and number of terms n.
If input t1=1, r=1, n=7 then output y=7
If input t1=10, r=10, n=5 then output y=111110.
Is this matrix orthogonal?
Make a run-length companion vector
Rotate input square matrix 90 degrees CCW without rot90
CONVERT TAN TO SIN
Area of a Square
Check if sorted
Basic electricity in a dry situation
count any radix?
Vectorizing, too easy or too hard?
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