RidgeFilter (Built-in Mathematica Symbol)

RidgeFilter[image] computes a measure for the presence of a ridge for each pixel in image.RidgeFilter[image, \[Sigma]] uses the specified ridge scale \[Sigma].

StreamColorFunction (Built-in Mathematica Symbol)

StreamColorFunction is an option for StreamPlot and related functions that specifies a function to apply to determine colors along streamlines.

UndirectedGraph (Built-in Mathematica Symbol)

UndirectedGraph[g] gives an undirected graph from the directed graph g.

VectorColorFunction (Built-in Mathematica Symbol)

VectorColorFunction is an option for VectorPlot and related functions which specifies a function to apply to determine colors of field vectors drawn.

VectorPoints (Built-in Mathematica Symbol)

VectorPoints is an option to VectorPlot, ListVectorPlot, and related functions that determines how many field vectors to draw.

VerifyTestAssumptions (Built-in Mathematica Symbol)

VerifyTestAssumptions is an option to LocationTest and similar functions that controls which assumptions to verify through diagnostic tests.

WindowFrameElements (Built-in Mathematica Symbol)

WindowFrameElements is an option for notebooks that specifies the elements to include in the frame of the window used to display the notebook on the screen.

$LibraryPath (Built-in Mathematica Symbol)

$LibraryPath gives the default list of directories to search in attempting to find a library.

$Urgent (Built-in Mathematica Symbol)

$Urgent gives the list of files and pipes to which urgent output from Mathematica is sent.

Importing and Exporting Data (Mathematica Tutorial)

Importing and exporting tabular data. This exports an array of numbers to the file out.dat. Here are the contents of the file out.dat.