例句與造句

1. By means of error analysis of recursion process of precise integration , it is found that the essential reason of obtaining the high precise numerical results of exponential matrix in the precise integration method is that the relative error of numerical computation is not enlarged in a whole recurrent process
   通過對精細積分法遞推過程的誤差分析，發(fā)現(xiàn)該方法能獲得高精度數(shù)值結(jié)果的根本原因是：數(shù)值計算的相對誤差不隨遞推過程的進行而擴散。
2. This paper suggests that the integral of the state equation is evaluated directly through the exponential matrix based on the pim , thus several series solutions are obtained . utilizing the symmetry of matrices and the idea of substructure , the computational precision and efficiency of the pim are improved
   本文深入研究精細積分及動力方程算法，基于指數(shù)矩陣計算、 pade逼近理論，在時域上對非線性動力狀態(tài)方程直接積分求解，構(gòu)建若干系統(tǒng)響應(yīng)求解格式，并分析了算法精度、效率；通過矩陣變換，利用矩陣對稱性、子結(jié)構(gòu)等方法改進精細積分計算效率。
3. It's difficult to find exponential matrix in a sentence. 用exponential matrix造句挺難的