泰恩数据
生成两个证券组合的机会集
w = np.linspace(0,100,100) r = 0.3 x = (0.2**2*(w/100)**2+0.3**2*(1-w/100)**2+2*(w/100)*(1-w/100)*r*0.2*0.3)**(1/2) y = ...
标签：finance
w = np.linspace(0,100,100) r = 0.3 x = (0.2**2*(w/100)**2+0.3**2*(1-w/100)**2+2*(w/100)*(1-w/100)*r*0.2*0.3)**(1/2) y = ...
