Is the Problem Well-Posed? (Mathematica Tutorial)

DSolve returns a general solution for a problem if no initial or boundary conditions are specified. The general solution to this equation is returned. However, if initial or ...

Mathematica Session Information (Mathematica Guide)

Mathematica gives you immediate access to many details of your Mathematica session—in the form of symbolic expressions that can readily be manipulated by the Mathematica ...

LerchPhi (Built-in Mathematica Symbol)

LerchPhi[z, s, a] gives the Lerch transcendent \[CapitalPhi] (z, s, a).

PolyGamma (Built-in Mathematica Symbol)

PolyGamma[z] gives the digamma function \[Psi](z). PolyGamma[n, z] gives the n\[Null]^th derivative of the digamma function \[Psi] (n) (z).

Exact Global Optimization (Mathematica Tutorial)

Exact global optimization problems can be solved exactly using Minimize and Maximize. This computes the radius of the circle, centered at the origin, circumscribed about the ...

RealExponent (Built-in Mathematica Symbol)

RealExponent[x] gives log_10 (|x|).RealExponent[x, b] gives log_b (|x|).

DictionaryLookup (Built-in Mathematica Symbol)

DictionaryLookup[patt] finds all words in an English dictionary that match the string pattern patt.DictionaryLookup[patt, n] gives only the first n words ...

Discrete Fourier Transforms (Mathematica Tutorial)

A common operation in analyzing various kinds of data is to find the discrete Fourier transform (or spectrum) of a list of values. The idea is typically to pick out ...

BitLength (Built-in Mathematica Symbol)

BitLength[n] gives the number of binary bits necessary to represent the integer n.

FontVariations (Built-in Mathematica Symbol)

FontVariations is an option for Style, Cell, and related constructs that specifies what font variations should be used.