Reap[expr] gives the value of expr together with all expressions to which Sow has been applied during its evaluation. Expressions sown using Sow[e] or Sow[e, tag_i] with ...

Scale[g, s] represents graphics primitives g scaled by a factor s. Scale[g, s, {x, y, ...}] scales with the point {x, y, ...} kept fixed. Scale[g, {s_x, s_y, ...}, ...] ...

Tally[list] tallies the elements in list, listing all distinct elements together with their multiplicities.Tally[list, test] uses test to determine whether pairs of elements ...

VectorStyle is an option to VectorPlot, ListVectorPlot, and related functions that determines the style to use for drawing field vectors.

VertexCoverQ[g, vlist] yields True if the vertex list vlist is a vertex cover of the graph g, and False otherwise.

Once the installation of Mathematica 8 is complete, you will be presented with the Wolfram Product Activation dialog. There are three methods to activate Mathematica: online ...

Ways to get pieces of matrices. Matrices in Mathematica are represented as lists of lists. You can use all the standard Mathematica list-manipulation operations on matrices. ...

Since lists are just a particular kind of expression, it will come as no surprise that you can refer to parts of any expression much as you refer to parts of a list. This ...

Using the objects described in "Introduction to Patterns", you can set up patterns for many kinds of expressions. In all cases, you must remember that the patterns must ...

SQLUpdate[conn, table, cols, data] updates data in a table in an SQL connection.