Having studied QM, I disagree. You can always introduce trigonometry and remove ... | Hacker News

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BeetleB on Oct 30, 2023 | parent | context | favorite | on: Linear Algebra Done Right – 4th Edition

Having studied QM, I disagree. You can always introduce trigonometry and remove it.

Keep in mind that everything observable is a real number even if the intermediate calculations involve imaginary numbers.

tome on Oct 30, 2023 [–]

Yup, and the Madelung equations explicitly present QM without complex numbers:

https://en.wikipedia.org/wiki/Madelung_equations#Equations

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