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
matrix of natural number
Equal to their cube
Who invented zero?
Switch matrix to a column vector
What's size of TV?
Percentage of zeros in a matrix of only 1s and 0s
Sum of unique multiples of 3 and 5
surface areas of a cylinder
Remove white spaces at the end of the input string
basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
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