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liesymm

  

getcoeff

  

extract the coefficient part of a basis wedge product

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

getcoeff(expr)

Parameters

expr

-

term involving one wedge product

Description

• 

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

• 

Given an expression expr involving a single wedge product w find c such that expr=cw.

• 

If more than one wedge product is encountered, an error message is given.

Examples

withliesymm:setupx,y,z:

getcoeffadx

a

(1)

getcoeffadx+bdx

a+b

(2)

mapgetcoeff,adx,bdy

a,b

(3)

getcoeff1dx &^ dyc

1c

(4)

getcoeffc

c

(5)

See Also

liesymm

liesymm[&^]

liesymm[d]

liesymm[setup]

with

 


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