Q-Function

There are a number of functions in mathematics denoted with upper or lower case Qs.

1. The nome q.

2. A prefix denoting q-analogs and q-series.

3. Q_n or q_n with n=0, 1, 2, 3 denote the q-products.

4. The normal distribution function Phi(x) is sometimes denoted Q(x).

5. Q_M(alpha,beta) denotes the Marcum Q-function.

6. Q is used to denote the partition function Q.

See also

Hofstadter's Q-Sequence, Jacobi Identities, Marcum Q-Function, Normal Distribution Function, Nuttall Q-Function, Partition Function Q, q-Series

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Cite this as:

Weisstein, Eric W. "Q-Function." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Q-Function.html

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