/ -- a binary operator, usually used for division

Synopsis

Usage:
x / y

Description

This operator is currently used in several ways in Macaulay2.

division in a ring, yielding a fraction
division in unevaluated expressions
quotient rings, modules and sheaves
applying a function or ring map to every element of a list or set

i1 : 2/3

     2
o1 = -
     3

o1 : QQ

i2 : 2./3

o2 = .666666666666667

o2 : RR (of precision 53)

Ways to use `/` :

CC / CC
CC / QQ
CC / RR
CC / ZZ
QQ / CC
QQ / QQ
QQ / RR
QQ / ZZ
RR / CC
RR / QQ
RR / RR
RR / ZZ
ZZ / CC
ZZ / QQ
ZZ / RR
ZZ / ZZ
CoherentSheaf / CoherentSheaf -- quotient of coherent sheaves
CoherentSheaf / Ideal, see CoherentSheaf / CoherentSheaf -- quotient of coherent sheaves
Constant / Constant, see Constant
Constant / InexactNumber, see Constant
Constant / Number, see Constant
Constant / RingElement, see Constant
Holder / OneExpression, see Constant
InexactNumber / Constant, see Constant
Number / Constant, see Constant
RingElement / Constant, see Constant
Expression / Expression, see Expression -- the class of all expressions
Ideal / Function -- apply a function to generators of an ideal
Ideal / Ideal -- quotient module
InexactNumber / RingElement (missing documentation)
List / Thing -- vector division
Module / Ideal, see Module / Module -- quotient module
Module / List, see Module / Module -- quotient module
Module / Module -- quotient module
Module / RingElement, see Module / Module -- quotient module
Module / Sequence, see Module / Module -- quotient module
Module / Vector, see Module / Module -- quotient module
Ring / Ideal -- make a quotient ring
Ring / List, see Ring / Ideal -- make a quotient ring
Ring / Module, see Ring / Ideal -- make a quotient ring
Ring / MonomialIdeal, see Ring / Ideal -- make a quotient ring
Ring / RingElement, see Ring / Ideal -- make a quotient ring
Ring / Sequence, see Ring / Ideal -- make a quotient ring
Ring / ZZ, see Ring / Ideal -- make a quotient ring
RingElement / InexactNumber (missing documentation)
RingElement / RingElement -- fraction
List / Command, see VisibleList / Function -- apply a function to elements of a list
List / Function, see VisibleList / Function -- apply a function to elements of a list
List / RingMap, see VisibleList / Function -- apply a function to elements of a list
Tally / Command, see VisibleList / Function -- apply a function to elements of a list
Tally / Function, see VisibleList / Function -- apply a function to elements of a list
VisibleList / Command, see VisibleList / Function -- apply a function to elements of a list
VisibleList / Function -- apply a function to elements of a list
VisibleList / SelfInitializingType, see VisibleList / Function -- apply a function to elements of a list

For the programmer

The object / is a keyword.

This operator may be used as a binary operator in an expression like x/y. The user may install binary methods for handling such expressions with code such as

         X / Y := (x,y) -> ...

where X is the class of x and Y is the class of y.

/ -- a binary operator, usually used for division

Synopsis

Description

See also

Ways to use / :

For the programmer

Ways to use `/` :