# psi function

## EnglishEdit

### NounEdit

**psi function** (*plural* **psi functions**)

- (mathematics) A function of a complex variable obtained by differentiating the logarithm of a gamma function; the digamma function
- (physics) The Schrödinger wave function

**psi function** (*plural* **psi functions**)

- (mathematics) A function of a complex variable obtained by differentiating the logarithm of a gamma function; the digamma function
- (physics) The Schrödinger wave function

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