python 圆曲线
import numpy as np import matplotlib.pyplot as plt a = 2 t = np.linspace(0 , 2 * np.pi, 1024) X = a*np.cos(t) Y = a*np.sin(t) plt.title('$x=ρcosθ,y=ρsinθ$') plt.plot(Y, X,color='r') plt.show()
import numpy as np import matplotlib.pyplot as plt a = 2 t = np.linspace(0 , 2 * np.pi, 1024) X = a*np.cos(t) Y = a*np.sin(t) plt.title('$x=ρcosθ,y=ρsinθ$') plt.plot(Y, X,color='r') plt.show()
