An object of class "Sym"
is internally a sympy character string.
One can combine such objects using the Math and Ops R operators (see
help(Math) and help(Ops) for a list). Also the following are supported:
as.character.Sym
,
as.expression.Sym
,
Ops.Sym
,
Math.Sym
,
print.Sym
,
deriv.Sym
,
Limit
,
Var.Sym
,
solve.Sym
,
Integrate
,
t.Sym
,
List
,
Matrix
,
Var
,
Zero
,
Zeros
and
Eye
.