MatchQ (Built-in Mathematica Symbol)

MatchQ[expr, form] returns True if the pattern form matches expr, and returns False otherwise.

GradientFilter (Built-in Mathematica Symbol)

GradientFilter[image, r] gives an image corresponding to the magnitude of the gradient of image, computed using discrete derivatives of a Gaussian of pixel radius ...

DependentVariables (Built-in Mathematica Symbol)

DependentVariables is an option which specifies the list of all objects that should be considered as dependent variables in equations that have been supplied.

SkeletonTransform (Built-in Mathematica Symbol)

SkeletonTransform[image] gives the skeleton transform of image, in which the value of each skeleton pixel is its distance to the nearest background ...

RandomSample (Built-in Mathematica Symbol)

RandomSample[{e_1, e_2, ...}, n] gives a pseudorandom sample of n of the e_i.RandomSample[{w_1, w_2, ...} -> {e_1, e_2, ...}, n] gives a pseudorandom sample of n of the e_i ...

Definition Building Blocks (GUIKit Package Tutorial)

GUIKit definitions are defined as a hierarchy of widgets, whether they are defined in the Mathematica expression format or in the XML format, GUIKitXML. A single ...

MousePosition (Built-in Mathematica Symbol)

MousePosition[] gives the current mouse position in the notebook front end. MousePosition["coords"] gives the mouse position with respect to the specified coordinate ...

Writing Java Programs That Use ... (JLink Tutorial)

The first part of this User Guide describes using J/Link to allow you to call from Mathematica into Java, thereby extending the Mathematica environment to include the ...

DensityPlot (Built-in Mathematica Symbol)

DensityPlot[f, {x, x_min, x_max}, {y, y_min, y_max}] makes a density plot of f as a function of x and y.

Parallel Computing (Mathematica Guide)

Mathematica provides a uniquely integrated and automated environment for parallel computing. With zero configuration, full interactivity, and seamless local and network ...