[ssivark]

See author's note excerpted below; that was an explicit goal of the project.

> This work has no benefit nor added value to the deep learning topic on its own. It is just the reformulation of ideas of brighter researchers to fit a peculiar mindset: the one of preferring formulas with ten indices but where one knows precisely what one is manipulating rather than (in my opinion sometimes opaque) matrix formulations where the dimension of the objects are rarely if ever specified.

-- I think that having those things written out explicitly is of great help to those not fully comfortable with formal manipulations. It is particularly useful when implementing those operations in low-level code. I say this even though I personally find the Einstein notation [1] most convenient.

[1]: https://en.wikipedia.org/wiki/Einstein_notation

[gyom]

I had not caught that note from the author. Thanks for pointing it out.