In a matrix, A = [1,2;3,4]
raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274
Replicate elements in vectors
metre to feet converter
Reverse a string
Calculate area of sector
vectors counting by 5
Product of all elements in an array
count upper and lower case characters
basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
Nth root of a number
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