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liesymm

  

wsubs

  

replace part of a wedge product

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

wsubs(eqn, expr)

wsubs(lst, expr)

Parameters

expr

-

expression involving wedgeproducts

eqn

-

expression of the form wedgeprod = expression

lst

-

list or set of expressions like eqn

Description

• 

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

• 

The routine wsubs() is analogous to powsubs() but is for wedge products.  One or more equations specify replacements that are to be made.

• 

The replacements occur even if only a subset of the &^ arguments match.

• 

If two or more substitutions are specified, they are completed in the order specified, even if they are given as a set. Simultaneous substitution (as in subs()) has not been implemented.

Examples

withliesymm:setupx,y,z,t:

wsubsdx=dz,adx &^ dy+bdx &^ dy

ady &^ dzbdy &^ dz

(1)

getformadx &^ dy

dx &^ dy

(2)

wsubs=dx &^ dt,dx &^ dy &^ dz

&^dx,dz,dt

(3)

See Also

liesymm

liesymm[&^]

liesymm[&mod]

liesymm[d]

liesymm[Lie]

liesymm[setup]

powsubs

with

 


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