Expand  MX graph to SXFunction call.

::

 matrix_expand(MX e, [MX] boundary, dict options) -> MX
 matrix_expand([MX] e, [MX] boundary, dict options) -> [MX]

Expand the given expression e, optionally supplying expressions contained in it at which expansion should stop.

Extra doc: https://github.com/casadi/casadi/wiki/L_rc

Doc source: https://github.com/casadi/casadi/blob/develop/casadi/core/mx.hpp#L745

Implementation: https://github.com/casadi/casadi/blob/develop/casadi/core/mx.hpp#L745-L749

To edit, see writing tips.