[INTERNAL] 

::

 is_eye(self) -> bool

check if the matrix is an identity matrix (note that false negative answers

are possible)

Extra doc: https://github.com/casadi/casadi/wiki/L_1a0

Doc source: https://github.com/casadi/casadi/blob/develop/casadi/core/matrix_decl.hpp#L1114

To edit, see writing tips.