Understanding NumPy's einsum

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Track title: Lost Jungle Looping

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Chapters
00:00 Question
00:28 Accepted answer (Score 636)
07:23 Answer 2 (Score 81)
14:29 Answer 3 (Score 22)
17:45 Answer 4 (Score 11)
24:32 Thank you

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Full question
https://stackoverflow.com/questions/2608...

Question links:
[np.einsum]: https://numpy.org/doc/stable/reference/g...

Accepted answer links:
[blog post]: http://ajcr.net/Basic-guide-to-einsum/
[image]: https://i.stack.imgur.com/bPCVw.png
[image]: https://i.stack.imgur.com/kOqM5.png

Answer 2 links:
[numpy.einsum()]: https://numpy.org/doc/stable/reference/g...
[numpy.einsum()]: https://numpy.org/doc/stable/reference/g...
[np.einsum()]: https://numpy.org/doc/stable/reference/g...
[Double Dot Products]: http://www.continuummechanics.org/tensor...
[np.matmul()]: https://numpy.org/doc/stable/reference/g...
[Einstein-Summation]: https://en.wikipedia.org/wiki/Einstein_n...
[Tensor-Notation]: http://www.continuummechanics.org/tensor...

Answer 4 links:
[itertools.product]: https://docs.python.org/3/library/iterto...
[itertools.reduce]: https://docs.python.org/3/library/functo...

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Tags
#python #arrays #numpy #multidimensionalarray #numpyeinsum

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