bundles / numpy 2.4.3 / numpy / diagflat

_ArrayFunctionDispatcher

`numpy:diagflat`

source: /numpy/lib/_twodim_base_impl.py :331

Signature

def diagflat ( v , k = 0 )

Summary

Create a two-dimensional array with the flattened input as a diagonal.

Parameters

v : array_like: Input data, which is flattened and set as the k-th diagonal of the output.
k : int, optional: Diagonal to set; 0, the default, corresponds to the "main" diagonal, a positive (negative) k giving the number of the diagonal above (below) the main.

Returns

out : ndarray: The 2-D output array.

Examples

import numpy as np
np.diagflat([[1,2], [3,4]])

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np.diagflat([1,2], 1)

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See also

diag: MATLAB work-alike for 1-D and 2-D arrays.
diagonal: Return specified diagonals.
trace: Sum along diagonals.

Aliases

numpy.diagflat