Description Usage Arguments Details Value Note Examples

The Symbol interface to yacas.

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`x` |
An R expression. |

`...` |
An R character string or object that can be coerced to a character string. |

An object of class `"Sym"`

is internally a yacas character string.
An object of class `"Expr"`

is internally an R expression.
One can combine such objects using the Math and Ops R operators (see
help(Math) and help(Ops) for a list). Also there are methods for a
number of R generics:
`as.character.Sym`

,
`as.expression.Sym`

,
`determinant.Sym`

,
`deriv.Sym`

and
`print.Sym`

and yacas-oriented functions:
Clear,
Conjugate,
Expand,
Factor,
Factorial,
I,
Identity,
Infinity,
Integrate,
Inverse,
InverseTaylor,
Limit,
List,
N,
Newton,
Pi,
Precision,
PrettyForm,
PrettyPrinter,
Set,
Simplify,
Solve,
Subst,
Taylor,
TeXForm,
Ver and "
all of which have
the same meaning as the corresponding yacas commands.
Try `vignette("Rycas-Sym")`

for many examples.

`Sym`

returns a `"Sym"`

object and `Expr`

returns an
`"Expr"`

object.

Currently the only `Expr`

methods implemented are
as.character.Expr, deriv.Expr, Math.Expr, Ops.Expr and print.Expr.

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