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by eigenloss
2423 days ago
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Having "quantum computing" in the title makes this genuine clickbait when the body lacks any explanation of what a state is or what a ket is. Energy or momentum or spin states are rarely (never, in reality) just numbers. You made no attempt to explain what the two different states in a single ket mean: hint, it's superposition. Never provided even a trivial justification for why normalization is important; where is the actual physics? Using Rust here is also quite pointless when you're just doing linear algebra... where is the actual benefit over Python or even Haskell? You've written a very cute and inefficient math library, but calling this QC is just false advertising. |
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You're right, the essay needs a better explanation on what a ket and a quantum state is. I'll figure something out.
Excellent point with the superposition, I'll add that in! Same with the normalization - while adding the `is_valid` method to the struct makes sense programming story -wise, it'd be great to justify its origins and implications.
As for using Rust being pointless - I am writing this blog post series for three reasons: learning more Rust by doing, learning more quantum computing by doing, and sharing my journey as a tutorial. Using Rust for the sake of learning (and hopefully helping others learn) Rust is in my opinion a perfect reason to use Rust.
As for calling this QC - I'd clarify that this code does not intend to be a production-grade QC library, and the blog post series does not intend to be an exact, axioms-and-proofs type of an university level course that prepares you for the industry in one go. I'd think of it more as a Todo MVC app building journey with a quantum flavor - or something. That being said, I do plan to add more QC features in the next posts of the series, and incrementally add to the accuracy as much as I feasibly can. All this feedback here and links to more materials are helping me immensely, I want to learn more about this stuff!
Thank you for calling it very cute - I really appreciate that! ️