numpy.diagflat() in Python
numpy.diagflat (a, k = 0): Create a two-dimensional array with the array_like input as a diagonal to the new output array.
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a : array_like input data with diagonal elements strong>k : [int, optional, 0 by default] Diagonal we require; k>0 means diagonal above main diagonal or vice versa.
array with the array_like input as a diagonal to the new output array.
diagflat use on main diagonal : [[1 0] [0 7]] diagflat use on main diagonal : [[1 0 0] [0 7 0] [0 0 6]] diagflat above main diagonal : [[0 1 0 0] [0 0 7 0] [0 0 0 6] [0 0 0 0]]
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