
梯度下降无法进行,可能遇到local minima和saddle point,所以需要区分

p>鞍点(saddle point)在 a target="_blank" href="/item/微分方程

偏微分微分为0的地方,不仅仅是local minima, 还有saddle point,而且


梯度下降无法进行,可能遇到local minima和saddle point,所以需要区分
p>鞍点(saddle point)在 a target="_blank" href="/item/微分方程
偏微分微分为0的地方,不仅仅是local minima, 还有saddle point,而且