Cos (Built-in Mathematica Symbol)

Cos[z] gives the cosine of z.

Sin (Built-in Mathematica Symbol)

Sin[z] gives the sine of z.

Newton's Method (Mathematica Tutorial)

Newton's method for nonlinear equations is based on a linear approximation so the Newton step is found simply by setting M_k(p)=0, Near a root of the equations, Newton's ...

Elementary Functions (Mathematica Guide)

Using the latest platform-optimized code, Mathematica not only delivers high-efficiency machine-precision evaluation of elementary functions, but also—using a number of ...

RamanujanTauZ (Built-in Mathematica Symbol)

RamanujanTauZ[t] gives the Ramanujan tau Z-function Z(t).

TimeUsed (Built-in Mathematica Symbol)

TimeUsed[] gives the total number of seconds of CPU time used so far in the current Mathematica session.

XML Syntax (GUIKit Package Tutorial)

Interface definitions can be defined using either a Mathematica expression or an XML definition. For many usages the Mathematica syntax is preferred. However, in cases where ...

ToCompactXML (XML Package Symbol)

ToCompactXML[expr] generates an equivalent SymbolicXML expression that suppresses all the redundant namespace information for elements and attributes in expr. ...

Composition and Splitting Methods for ... (Mathematica Tutorial)

In some cases it is useful to split the differential system into subsystems and solve each subsystem using appropriate integration methods. Recombining the individual ...

Abs (Built-in Mathematica Symbol)

Abs[z] gives the absolute value of the real or complex number z.