PartitionsP (Built-in Mathematica Symbol)

PartitionsP[n] gives the number p (n) of unrestricted partitions of the integer n.

ProductLog (Built-in Mathematica Symbol)

ProductLog[z] gives the principal solution for w in z == w e^w. ProductLog[k, z] gives the k\[Null]^th solution.

QHypergeometricPFQ (Built-in Mathematica Symbol)

QHypergeometricPFQ[{a_1, ..., a_r}, {b_1, ..., b_s}, q, z] gives the basic hypergeometric series \[Null]_r \[Phi]_s (a; b; q; z).

QPolyGamma (Built-in Mathematica Symbol)

QPolyGamma[z, q] gives the q-digamma function \[Psi]_q (z).QPolyGamma[n, z, q] gives the n\[Null]^th derivative of the q-digamma function \[Psi]_q^(n)(z).

SyntaxInformation (Built-in Mathematica Symbol)

SyntaxInformation[f] gives information used to generate syntax coloring and other advisories when f[...] is entered as input.

TrimmedMean (Built-in Mathematica Symbol)

TrimmedMean[list, f] gives the mean of the elements in list after dropping a fraction f of the smallest and largest elements.TrimmedMean[list, {f_1, f_2}] gives the mean when ...

Which (Built-in Mathematica Symbol)

Which[test_1, value_1, test_2, value_2, ...] evaluates each of the test_i in turn, returning the value of the value_i corresponding to the first one that yields True.

ZernikeR (Built-in Mathematica Symbol)

ZernikeR[n, m, r] gives the radial Zernike polynomial R_n^m(r).

Inhomogeneous Linear Second-Order ... (Mathematica Tutorial)

If the given second-order ODE is inhomogeneous, DSolve applies the method of variation of parameters to return a solution for the problem. This solves an inhomogeneous linear ...

StiffnessSwitching Method for NDSolve (Mathematica Tutorial)

The basic idea behind the "StiffnessSwitching" method is to provide an automatic means of switching between a nonstiff and a stiff solver. The "StiffnessTest" and ...