python画出心形图

import matplotlib.pyplot as plt
import matplotlib as mpl
import random
import numpy as np
import matplotlib.dates as dt
from mpl_toolkits.mplot3d import Axes3D

mpl.rcParams['font.size']='10'      #图形大小
mpl.rcParams['font.weight'] = 'bold'#字体

fig = plt.figure() #建立一个图形实例

ax = fig.add_subplot(111,facecolor='yellow',projection='3d')

t=np.linspace(0,2*np.pi,100)
x=16*np.sin(t)**3
y=13*np.cos(t)-5*np.cos(2*t)-2*np.cos(3*t)-np.cos(4*t)
plt.plot(x,y,'m-',linewidth=2)
plt.grid(True)
plt.show()

plt.show()