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liesymm

  

Lrank

  

the Lie Rank of a set of forms

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

Lrank(form)

Parameters

form

-

list or set of differential forms

Description

• 

This routine is part of the liesymm package and is loaded via with(liesymm) .

• 

It removes forms which are redundant with respect to the generation of the determining equations.

Examples

withliesymm:

setup

(1)

eq2txux,t+xux,t+ux,t2=0

eq:=2txux,t+xux,t+ux,t2=0

(2)

formsmakeformseq,ux,t,w

forms:=duw1dxw2dt,dw2 &^ dt+u2+w1dx &^ dt

(3)

formscloseforms

forms:=duw1dxw2dt,dw2 &^ dt+u2+w1dx &^ dt,dw1 &^ dxdw2 &^ dt

(4)

Lrankforms

duw1dxw2dt,dw2 &^ dt+u2+w1dx &^ dt

(5)

See Also

liesymm

liesymm[close]

liesymm[d]

liesymm[Lie]

liesymm[makeforms]

liesymm[setup]

liesymm[wedge]

with

 


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