Magma - Maple Help

Online Help

All Products    Maple    MapleSim


Home : Support : Online Help : Mathematics : Algebra : Magma : Magma/IsRightIdentity

Magma

  

IsRightIdentity

  

test whether an element of a magma is a right identity

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

IsRightIdentity( m, id )

Parameters

m

-

Array; magma represented by its Cayley table

id

-

posint; candidate right identity element

Description

• 

The IsRightIdentity command determines whether an element id of a magma m is a right identity for m.  It returns true if id is a right identity of m, and returns false otherwise.  The element id is a right identity of m if x * id = x, for all x in m.

Examples

withMagma:

m1|1|3,1|2|2,2|3|1

m:=113122231

(1)

IsRightIdentitym,1

false

(2)

IsRightIdentitym,2

true

(3)

IsRightIdentitym,3

false

(4)

Compatibility

• 

The Magma[IsRightIdentity] command was introduced in Maple 15.

• 

For more information on Maple 15 changes, see Updates in Maple 15.

See Also

IsIdentity

IsLeftIdentity

Magma

 


Download Help Document

Was this information helpful?



Please add your Comment (Optional)
E-mail Address (Optional)
What is ? This question helps us to combat spam