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I am using Mathematica 10.0. Trying to run the following Needs["Quantum`Notation`"] in order to use Dirac notation. But it shows

Get::noopen: Cannot open Quantum`Notation`.

What should be done get this thing working?

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You will have to install this package. You can download it here, and there are instructions on how to install it on the same page.

If you allow me a personal comment: I tried it a couple of years ago and didn't like it. In my opinion it only adds a lot of overhead that can cause problems where you could just use Mathematica built-in features (what are you doing other than linear algebra?), which are more reliable, better documented and well-known so it's easier to find support.

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  • $\begingroup$ I am actually interested in doing the quantum walk problem using Mathematica. I found some information from an online source which uses the package mentioned in my question. $\endgroup$ – Jee Oct 22 '17 at 8:50
  • $\begingroup$ cool. ok in this case you want to install the package to use that source. And when you run into problems with the notation you can easily move to standard matrix functions. Are you aware of this post, btw.? $\endgroup$ – M. Stern Oct 22 '17 at 12:42
  • $\begingroup$ Thanks, @M. Stern. It is really helpful. $\endgroup$ – Jee Oct 23 '17 at 10:38
  • $\begingroup$ Hello @M.Stern. Can I get your email? $\endgroup$ – Jee Oct 26 '17 at 20:02
  • $\begingroup$ I'd rather not post my email here.. but if you want to post contact information (maybe in your profile) I can give you my email that way $\endgroup$ – M. Stern Oct 26 '17 at 23:06

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