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/NumPy 1.17

numpy.ndarray.trace

method

ndarray.trace(offset=0, axis1=0, axis2=1, dtype=None, out=None)

Return the sum along diagonals of the array.

Refer to numpy.trace for full documentation.

See also

numpy.trace
equivalent function

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https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.ndarray.trace.html