示例#1
0
 def _sage_(self):
     import sage.all as sage
     return sage.rising_factorial(self.args[0]._sage_(),
                                  self.args[1]._sage_())
示例#2
0
 def _sage_(self):
     import sage.all as sage
     return sage.rising_factorial(self.args[0]._sage_(), self.args[1]._sage_())