liesymm - Lie Symmetry Method - DEtools - Differential Equations - Mathematics - Maple Help - Maplesoft

# liesymm

## Category Documents

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liesymm/Eta
Compute the coefficients of the generator of a finite point transformation

liesymm/Lie
the Lie derivative

liesymm/Lrank
the Lie Rank of a set of forms

liesymm/TD
extended differential operator

liesymm/annul
annul a set of differential forms

liesymm/autosimp
autosimp a set of differential forms

liesymm/close
compute the closure of a set of differential forms

liesymm/d
the exterior derivative

liesymm/depvars
depvars a set of differential forms

liesymm/determine
Find the determining equations for the isovectors of a PDE

liesymm/dvalue
Force evaluation of derivatives

liesymm/extvars
extvars a set of differential forms

liesymm/getcoeff
extract the coefficient part of a basis wedge product

liesymm/getform
extract the basis element of a single wedge product

liesymm/hasclosure
verify closure with respect to d()

liesymm/hook
inner product (hook)

liesymm/indepvars
indepvars a set of differential forms

liesymm/makeforms
construct a set of differential forms from a PDE

liesymm/mixpar
order the mixed partials

liesymm/&mod
reduce a form modulo an exterior ideal

liesymm/prolong
make substitutions for components of the extended isovector in terms of partials of the original isovector

liesymm/reduce
reduce a set of differential forms

liesymm/setup
define the coordinates

liesymm/translate
the total derivative

liesymm/vfix
change variable dependencies in unevaluated derivatives

liesymm/wcollect
regroup the terms as a sum of products

liesymm/wdegree
compute the wedge degree of a form

liesymm/wedge
the wedge product

liesymm/wedgeset
find the coordinate set

liesymm/wsubs
replace part of a wedge product

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