SetDelayed (Built-in Mathematica Symbol)

lhs := rhs assigns rhs to be the delayed value of lhs. rhs is maintained in an unevaluated form. When lhs appears, it is replaced by rhs, evaluated afresh each time.

SetPrecision (Built-in Mathematica Symbol)

SetPrecision[expr, p] yields a version of expr in which all numbers have been set to have precision p.

SetDirectory (Built-in Mathematica Symbol)

SetDirectory["dir"] sets the current working directory to dir. SetDirectory[] sets the current working directory to your "home" directory.

SetFileDate (Built-in Mathematica Symbol)

SetFileDate["file"] sets the modification and access dates for a file to be the current date.

Graph Covers and Independent Sets (Mathematica Guide)

A typical graph problem is that of matching different items, such as dates between men and women given preferences or teachers and courses with different preferences. These ...

Setting (Built-in Mathematica Symbol)

Setting[expr] replaces control objects such as sliders or popup menus in expr by their settings.

UpSet (Built-in Mathematica Symbol)

lhs ^= rhs assigns rhs to be the value of lhs, and associates the assignment with symbols that occur at level one in lhs.

TagSetDelayed (Built-in Mathematica Symbol)

f /: lhs := rhs assigns rhs to be the delayed value of lhs, and associates the assignment with the symbol f.

Use Derivatives for Setting Up ... (Mathematica How To)

Mathematica 's functions for solving differential equations can be applied to many different classes of differential equations, including ordinary differential equations ...

The Representation of Solution Sets (Mathematica Tutorial)

Any combination of equations or inequalities can be thought of as implicitly defining a region in some kind of space. The fundamental function of Reduce is to turn this type ...