RootOfUnityQ[a] yields True if a is a root of unity, and yields False otherwise.

InstanceOf[javaobject, javaclass] gives True if javaobject is an instance of the class or interface javaclass, or a subclass. Otherwise, it returns False. ...

InstanceOf[netobject, nettype] gives True if netobject is an instance of the type nettype, or a subtype, and False otherwise.

"Sound" describes how you can take functions and lists of data and produce sounds from them. Here we discuss how sounds are represented in Mathematica. Mathematica treats ...

DistributedContexts is an option for various parallel computing functions that specifies which definitions for symbols appearing in an expression should be distributed to all ...

Importing and exporting lists and tables of data. This exports a list of data to the file out1. Here are the contents of the file.

NonlinearModelFit[{y_1, y_2, ...}, form, {\[Beta]_1, ...}, x] constructs a nonlinear model with structure form that fits the y_i for successive x values 1, 2, ... using the ...

Here is a system of two ODEs whose coefficient matrix has real and distinct eigenvalues. This solves the system. Note that the general solution depends on two arbitrary ...

When Solve cannot find solutions in terms of radicals to polynomial equations, it returns a symbolic form of the result in terms of Root objects. You can get numerical ...

The time it takes Mathematica to perform a computation is important information that can help you write efficient programs. Conveniently, you can display the time elapsed for ...