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Manipulating Files and Directories   (Mathematica Tutorial)
Functions for manipulating files. Different operating systems have different commands for manipulating files. Mathematica provides a simple set of file manipulation ...
Directories & Directory Operations   (Mathematica Guide)
 
FindInstance   (Built-in Mathematica Symbol)
FindInstance[expr, vars] finds an instance of vars that makes the statement expr be True. FindInstance[expr, vars, dom] finds an instance over the domain dom. Common choices ...
Using Symbols to Tag Objects   (Mathematica Tutorial)
There are many ways to use symbols in Mathematica. Here we use symbols as 'tags' for different types of objects. Working with physical units gives one simple example. When ...
Mathematica Syntax   (Mathematica Guide)
Mathematica has a rich syntax carefully designed for consistency and efficient, readable entry of Mathematica's many language, mathematical, and other constructs. In addition ...
Introduction to Advanced Numerical ...   (Mathematica Tutorial)
The Mathematica function NDSolve is a general numerical differential equation solver. It can handle a wide range of ordinary differential equations (ODEs) as well as some ...
Cancel   (Built-in Mathematica Symbol)
Cancel[expr] cancels out common factors in the numerator and denominator of expr.
Special Functions   (Mathematica Guide)
Two decades of intense R&D at Wolfram Research have given Mathematica by far the world's broadest and deepest coverage of special functions—and greatly expanded the whole ...
Graphs & Networks   (Mathematica Guide)
Graphs and networks are all around us including technological networks (the internet, power grids, telephone networks, transportation networks, ...), social networks (social ...
Constructing Matrices   (Mathematica Tutorial)
Functions for constructing matrices. This generates a 2×2 matrix whose i,j^th entry is a[i,j]. Here is another way to produce the same matrix.
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