SubMinus (Built-in Mathematica Symbol)

SubMinus[expr] displays as expr_-.

SubPlus (Built-in Mathematica Symbol)

SubPlus[expr] displays as expr_+.

$TimeUnit (Built-in Mathematica Symbol)

$TimeUnit gives the minimum time interval in seconds recorded on your computer system.

Introduction to Systems of ODEs (Mathematica Tutorial)

Systems of ODEs are important in various fields of science, such as the study of electricity and population biology. Like single ODEs, systems of ODEs can classified as ...

Second-Order PDEs (Mathematica Tutorial)

The general form of a linear second-order PDE is Here uu(x,y), and a, b, c, d, e, f, and g are functions of x and y only—they do not depend on u. If g0, the equation is ...

Numerical Methods for Solving the ... (Mathematica Tutorial)

The Lotka–Volterra system arises in mathematical biology and models the growth of animal species. Consider two species where Y_1(T) denotes the number of predators and Y_2(T) ...

Quaternions Package (Quaternions Package Guide)

Document Generation (Mathematica Guide)

Mathematica's symbolic document paradigm makes it uniquely easy to create complex structured documents programmatically, including both graphical elements and dynamic ...

SplitBy (Built-in Mathematica Symbol)

SplitBy[list, f] splits list into sublists consisting of runs of successive elements that give the same value when f is applied.SplitBy[list, {f_1, f_2, ...}] recursively ...

Use Brackets and Braces Correctly (Mathematica How To)

Mathematica 's rich syntax uses different kinds of brackets and braces; familiarity with these aspects lets you read and program efficiently in Mathematica .