import numpy as np
import matplotlib.pyplot as plt
data_set=np.loadtxt("HIVseries.csv",delimiter=',')
A,B,alpha,beta=110000,-100000,-0.05,-0.05,
time=np.loadtxt("HIVseries.csv",delimiter=',',usecols=(0,))
viral_load=A*np.exp(-alpha*time)+B*np.exp(-beta*time)
#获取当前坐标轴
ax=plt.gca()
ax.set_title('HIV',size=24,weight='bold')#设置坐标轴
plt.xlabel('DAY',size=24,weight='bold')
plt.ylabel('ddd',size=24,weight='bold')
line1=plt.plot(data_set)
line2=plt.plot(time,viral_load,'r')
plt.show()
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