HarmonicMeanFilter (Built-in Mathematica Symbol)

HarmonicMeanFilter[image, r] filters image by replacing every value by the harmonic mean of the values in its range r neighborhood. HarmonicMeanFilter[data, r] applies ...

Decrement (Built-in Mathematica Symbol)

x-- decreases the value of x by 1, returning the old value of x.

SpheroidalS2Prime (Built-in Mathematica Symbol)

SpheroidalS2Prime[n, m, \[Gamma], z] gives the derivative with respect to z of the radial spheroidal function S_n^m, (2)(\[Gamma], z) of the second kind.

$OperatingSystem (Built-in Mathematica Symbol)

$OperatingSystem is a string giving the type of operating system under which Mathematica is being run.

Low-Level System Spelunking (Mathematica Guide)

Mathematica is a large and complex software system. Although strongly not supported for production purposes, it is sometimes instructive to "spelunk" in the system, looking ...

ContraharmonicMean (Built-in Mathematica Symbol)

ContraharmonicMean[list] gives the contraharmonic mean of the values in list.ContraharmonicMean[list, p] gives the order p Lehmer contraharmonic mean.

KuwaharaFilter (Built-in Mathematica Symbol)

KuwaharaFilter[image, r] computes for each pixel p in image the variance of the values in the four (r + 1)*(r + 1) squares that have p as a corner, and replaces p with the ...

$HistoryLength (Built-in Mathematica Symbol)

$HistoryLength specifies the number of previous lines of input and output to keep in a Mathematica session.

$SystemID (Built-in Mathematica Symbol)

$SystemID is a short string that identifies the type of computer system on which Mathematica is being run.

Letters and Letter-like Forms (Mathematica Tutorial)

The complete collection of Greek letters in Mathematica. You can use Greek letters as the names of symbols. The only Greek letter with a built-in meaning in StandardForm is ...