Given the vector A, return B in which all numbers in A are doubling. So for:
A = [ 1 5 8 ]
B = [ 1 1 5 5 8 8 ]
It dseon't mettar waht oedrr the lrettes in a wrod are.
Remove the two elements next to NaN value
We love vectorized solutions. Problem 1 : remove the row average.
Basics: 'Find the eigenvalues of given matrix
find the surface area of a cube
Solving a quadratic equation
Divisors of an integer
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