def _sage_(self): import sage.all as sage return sage.dirac_delta(self.args[0]._sage_())
def _sage_(self): import sage.all as sage return sage.dirac_delta(self.args[0]._sage_())
def _sage_(self): import sage.all as sage return sage.dirac_delta(self.args[0]._sage_())
def _sage_(self): import sage.all as sage return sage.dirac_delta(self.args[0]._sage_())