随机梯度下降法(共1页).doc

精选优质文档-倾情为你奉上随机梯度下降法function theta0,theta1=Gradient_descent_rand(X,Y);theta0=0;theta1=0;t0=theta0;t1=theta1;for i=1:1:100 t0=theta0-0.01*(theta0+theta1*X(i,1)-Y(i,1)*1 t1=theta1-0.01*(theta0+theta1*X(i,1)-Y(i,1)*X(i,1) theta0=t0 theta1=t1end专心-专注-专业