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Permutations
Variables
LVAR
: returns the list of ``variables'' of an algebraic. The list is sorted by reverse alphabetic order. Example:
'SIN(A)+B*X+1' -> { X B 'SIN(A)' }
LIDNT
: list of global names of an algebraic Example:
'SIN(A)+B*X+1' -> { X B A }
Bernard Parisse
1998-07-31