StationaryWaveletPacketTransform (Built-in Mathematica Symbol)

StationaryWaveletPacketTransform[data] gives the stationary wavelet packet transform (SWPT) of an array of data.StationaryWaveletPacketTransform[data, wave] gives the ...

Arithmetic (Mathematica Tutorial)

You can do arithmetic with Mathematica just as you would on an electronic calculator. This is the sum of two numbers. Here the / stands for division, and the ^ stands for ...

Introduction to Graph Drawing (Mathematica Tutorial)

Mathematica provides functions for the aesthetic drawing of graphs. Algorithms implemented include spring embedding, spring-electrical embedding, high-dimensional embedding, ...

HeavisideTheta (Built-in Mathematica Symbol)

HeavisideTheta[x] represents the Heaviside theta function \[Theta](x), equal to 0 for x < 0 and 1 for x > 0. HeavisideTheta[x_1, x_2, ...] represents the multidimensional ...

Gradient (Built-in Mathematica Symbol)

Gradient is an option for FindMinimum and related functions that specifies the gradient vector to assume for the function being extremized.

Enter Mathematical Typesetting (Mathematica How To)

Mathematica notebooks support a variety of input and output styles. You can write input using the characters from the standard keyboard. Alternately, you can write input in ...

Introduction to Solving Nonlinear ... (Mathematica Tutorial)

There are some close connections between finding a "local minimum" and solving a set of nonlinear equations. Given a set of n equations in n unknowns, seeking a solution r(x) ...

Additive Number Theory (Mathematica Guide)

Building on its broad algorithmic and mathematical capabilities, Mathematica provides a unique level of highly general and efficient support for additive number theory.

QPochhammer (Built-in Mathematica Symbol)

QPochhammer[a, q, n] gives the q-Pochhammer symbol (a; q) n.QPochhammer[a, q] gives the q-Pochhammer symbol (a; q) \[Infinity].QPochhammer[q] gives the q-Pochhammer symbol ...

Resizing, Cropping, and Adding Margins ... (Mathematica Tutorial)

The following sequence shows how to change the aspect ratio of a plot. Using the Selection tool, click to select the graphic. Shift+drag a handle to change the aspect ratio.