Swap the first and last columns
How to subtract?
Area of a disk
Create a square matrix of zeros of even order
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
For given xx,x, y vectors build spline of x and y and find yy values for xx vector.
Delete x value in given vector y.
Sum positive elements of matrix.
Find product of eigenvalues of n*n magic matrix.
Convert array of decimal numbers into hexadecimal numbers array.
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