Quantum Mechanics using Index notation. Is it possible to do it?(adsbygoogle = window.adsbygoogle || []).push({});

I really don't get the Dirac Notation, and every-time I encounter it, I either avoid the subject, or consult someone who can read it. There doesn't seem to be any worthy explanation about it, and whenever I ask what is the Hilbert Space, the most common answer I get is "only Hilbert would have known".

So Is it possible to do QM using index notation?

For example can something like this exist:

[itex]\int\phi^{*}_{i}\phi_{j} d\tau = \delta_{ij}[/itex]?

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# Index Notation & Dirac Notation

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