Set or get options for the Ryacas package
Ryacas_options(...)Option names to retrieve option values or [key] = [value] pairs to set options.
The following options are supported
module_matvec_enabled (default TRUE): Print yacas List()'s as
vectors and List(List(), ...)'s as matrices.
prettyform_default (default FALSE): Print yacas as PrettyForm() as default.