Psi function
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Psi function can refer, in mathematics, to *the ordinal collapsing function \psi(\alpha) *the Dedekind psi function \psi(n) *the Chebyshev function \psi(x) *the polygamma function \psi^m(z) or its special cases **the digamma function \psi(z) **the trigamma function \psi^1(z) and in physics to * the quantum mechanical wave function.
Psi function can refer, in mathematics, to the ordinal collapsing function \psi(\alpha) the Dedekind psi function \psi(n) the Chebyshev function \psi(x) the polygamma function \psi^m(z) or its special cases the digamma function \psi(z) the trigamma function \psi^1(z) and in physics to the quantum mechanical wave function.
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