Nonlinear Regression Package (Obsolete Nonlinear Regression Package Tutorial)

The built-in function FindFit allows you to perform nonlinear least squares fitting. The function NonlinearRegress gives a number of regression diagnostics and allows you to ...

Action (Notation Package Symbol)

Action is an option of Notation, Symbolize and InfixNotation that defines what action will be performed with the given notation statement.

Notation, Symbolize and InfixNotation (Notation Package Tutorial)

Syntax of notation declarations. Notation takes both an external representation and an internal representation as arguments. Mathematica translates any input matching the ...

Options and Auxiliary Functions (Notation Package Tutorial)

Notation , Symbolize and InfixNotation have several options that modify their behavior. These notation functions all take the options WorkingForm and Action. In addition the ...

Precedence of Operators in Notations (Notation Package Tutorial)

The precedence of any new notation or operator is determined by examining the components from which it is constructed. For instance, +_ ℛ is grouped according to the ...

ND (Numerical Calculus Package Symbol)

ND[expr, x, x_0] gives a numerical approximation to the derivative of expr with respect to x at the point x_0.ND[expr, {x, n}, x_0] gives a numerical approximation to the ...

Numerical Differential Equation ... (Numerical Differential Equation Analysis Package Tutorial)

The NumericalDifferentialEquationAnalysis package combines functionality for analyzing differential equations using Butcher trees, Gaussian quadrature, and Newton-Cotes ...

Plot Legends Package (Plot Legends Package Tutorial)

There are two ways to use the functions in this package to place a legend in a graphic: the first can only be used as an option to the built-in functions Plot, ListPlot and ...

HatDiagonal (Obsolete Regression Common Package Symbol)

As of Version 7.0, HatDiagonal has become a property of LinearModelFit and NonlinearModelFit.

Vector Analysis Package (Vector Analysis Package Tutorial)

A three-dimensional coordinate system assigns three numbers to each point in space. In defining a coordinate system, you have to make a choice about what to measure and how ...