This example illustrates how to take advantage of Widget["Action"] objects and easily connect and construct typical user interface elements, such as menu items, toolbars, ...

GraphPlot functionality is now available in the newly added built-in Mathematica kernel functions GraphPlot and LayeredGraphPlot. GraphPlot3D is now available as the newly ...

ArrayPlot[array] generates a plot in which the values in an array are shown in a discrete array of squares.

CrossMatrix[r] gives a matrix whose elements are 1 in a centered cross-shaped region that extends r positions along each index direction, and are 0 otherwise.CrossMatrix[r, ...

DiamondMatrix[r] gives a matrix whose elements are 1 in a diamond-shaped region that extends r index positions to each side, and are 0 otherwise.DiamondMatrix[r, w] gives a ...

DiskMatrix[r] gives a matrix whose elements are 1 in a disk-shaped region of radius r, and are otherwise 0.DiskMatrix[r, w] gives a w*w matrix containing a disk of 1s with ...

LowerTriangularize[m] gives a matrix in which all but the lower triangular elements of m are replaced with zeros. LowerTriangularize[m, k] replaces with zeros only the ...

SymmetricMatrixQ[m] tests whether m is a symmetric matrix.

UpperTriangularize[m] gives a matrix in which all but the upper triangular elements of m are replaced with zeros. UpperTriangularize[m, k] replaces with zeros only the ...

Combinatorica extends Mathematica by over 450 functions in combinatorics and graph theory. It includes functions for constructing graphs and other combinatorial objects, ...