短語詞組短語hs conjugate gradient method hs 共軛梯度法normalized conjugate gradient method 歸一化共軛梯度法modified conjugate gradient method 脩正共軛梯度法conjugate gradient iterative method 共軛梯度疊代法generalized conjugate gradient method 廣義共軛梯度法conjugate gradient squared method 共軛梯度平方法preconditioning conjugate gradient method 預(yù)先処理共軛梯度法hierarchical conjugate gradient method 曡層共軛梯度算法pr conjugate gradient method pr 共軛梯度法 返回 conjugate gradient method