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The Maxima on-line user's manual

Algebra Calculator

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Listofvars Calculator

Listofvars

Function: listofvars (<expr>) Returns a list of the variables in <expr>.

listconstvars if true causes listofvars to include %e, %pi, %i, and any variables declared constant in the list it returns if they appear in <expr>. The default is to omit these.

See also the option variable listdummyvars to exclude or include "dummy variables" in the list of variables.

          (%i1) listofvars (f (x[1]+y) / g^(2+a));
          (%o1)                     [g, a, x , y]
                                            1

(%o1)                                true
(%i2) 

Listofvars Example

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