TrigExpand (Built-in Mathematica Symbol)

TrigExpand[expr] expands out trigonometric functions in expr.

Im (Built-in Mathematica Symbol)

Im[z] gives the imaginary part of the complex number z.

Re (Built-in Mathematica Symbol)

Re[z] gives the real part of the complex number z.

Entering Formulas (Mathematica Tutorial)

Special forms for some common symbols. This is equivalent to Sin[60Degree]. Here is the long form of the input.

Termination Conditions (Mathematica Tutorial)

Mathematically, sufficient conditions for a local minimum of a smooth function are quite straightforward: x^* is a local minimum if ∇f(x^*)=0 and the Hessian ∇^2f(x^*) is ...

Functions for Separable Coordinate ... (Mathematica Guide)

GUIResolve (GUIKit Package Symbol)

GUIResolve[src] resolves an interface definition to its top-level completely loaded widget and enclosing widgets.GUIResolve[src, args] passes arguments to the interface ...

Resolving Arbitrary Objects (GUIKit Package Tutorial)

Even though the GUIKit widget expression was designed with user interface issues in mind, you can construct object trees unrelated to user interface widgets and still take ...

InverseErf (Built-in Mathematica Symbol)

InverseErf[s] gives the inverse error function obtained as the solution for z in s = erf(z).

Method (Built-in Mathematica Symbol)

Method is an option for various algorithm-intensive functions that specifies what internal methods they should use.