Magma - Maple Programming Help

Online Help

All Products    Maple    MapleSim


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

Magma

  

IsExtra

  

test whether a given magma satisfies the extra law

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

IsExtra( m )

Parameters

m

-

Array representing the Cayley table of a finite magma

Description

• 

The IsExtra command returns true if the given magma satisfies the extra law ((XY)Z)X = X(Y(ZX)).  It returns false otherwise.

Examples

withMagma:

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

m:=123231312

(1)

IsExtram

true

(2)

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

m:=123233312

(3)

IsExtram

false

(4)

Compatibility

• 

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

• 

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

See Also

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