ReflectionMatrix[v] gives the matrix that represents reflection of points in a mirror normal to the vector v.

Lists are central constructs in Mathematica that are used to represent collections, arrays, sets, and sequences of all kinds. Well over a thousand built-in functions ...

If you enter text in languages other than English, you will typically need to use various additional accented and other characters. If your computer system is set up in an ...

Mathematica has a very general notion of functions, as rules for arbitrary transformations. Values for variables are also assigned in this manner. When you set a value for a ...

Mathematica conveniently handles currency and unit characters, supporting both native keyboard entry and explicit special character specifications.

FindSequenceFunction[{a_1, a_2, a_3, ...}] attempts to find a simple function that yields the sequence a_n when given successive integer arguments.FindSequenceFunction[{{n_1, ...

Mathematica contains a very powerful system of integration. It can do almost any integral that can be done in terms of standard mathematical functions.

OpenAppend["file"] opens a file to append output to it, and returns an OutputStream object.

VertexInDegree[g] gives the list of vertex in-degrees for all vertices in the graph g.VertexInDegree[g, v] gives the vertex in-degree for the vertex v.

VertexIndex[g, v] gives the integer index for the vertex v in the graph g.