5(improved) code.py 文件源码

def show_results_plot(self):
        pl.figure(1)
        pl.plot(self.x, self.y,label = "firing angle = %.1f °"%self.theta)
        pl.draw()
        pl.legend(loc='upper right', shadow=True, fontsize='small')
        print("\ninitial velocity:", _input.initial_velocity, "m/s")
        print("time step:", _input.time_step, "s")
        print("firing angle:", self.theta, "°")
        print("falling fange:%.4f km"%self.x[-1], "\n")

#Users input the initial values