VertexDelete[g, v] makes a graph by deleting the vertex \[Nu] and all edges connected to v from the graph g.VertexDelete[g, {v_1, v_2, ...}] deletes a collection of vertices ...

VertexInComponent[g, {v_1, v_2, ...}] gives the vertices in the graph g that have a directed path to at least one of v_1, v_2, ....VertexInComponent[g, {v_1, v_2, ...}, k] ...

VertexOutComponent[g, {v_1, v_2, ...}] gives the vertices in the graph g that have a directed path from at least one of v_1, v_2, ....VertexOutComponent[g, {v_1, v_2, ...}, ...

$KernelCount gives the number of subkernels available for parallel computations.

$TemporaryDirectory gives the main system directory for temporary files on your computer system.

In using Mathematica, you sometimes need to repeat an operation many times. There are many ways to do this. Often the most natural is in fact to set up a structure such as a ...

ChemicalData["name", " property"] gives the value of the specified property for the chemical " name".ChemicalData["name"] gives a structure diagram for the chemical with the ...

NDSolve[eqns, y, {x, x_min, x_max}] finds a numerical solution to the ordinary differential equations eqns for the function y with the independent variable x in the range ...

WordData["word", " property"] gives the specified property for the English word " word".WordData["word"] gives a list of full word specifications representing possible uses ...

Extensively used within the Mathematica system itself, MathLink is Mathematica's unique high-level symbolic interface standard for interprogram communication. With convenient ...