At the same time , we test the validity of class components of application component layer , and prove they can implement the matrix - vector parallel 同時(shí)對(duì)應(yīng)用組件層的類組件進(jìn)行了正確性的測試,證明可以實(shí)現(xiàn)相應(yīng)的向量矩陣并行算法。
Since the main cost per iteration of the gmres method is the cost of the matrix - vector multiplication , the fast matrix - vector multiplication is the key of the algorithm 廣義極小剩余法的每一步迭代的主要運(yùn)算量來自矩陣-向量相乘,因此構(gòu)造矩陣-向量快速乘法是整個(gè)快速方法的關(guān)鍵。
It reduces greatly the computational complexity of matrix - vector multiplication in conjugate gradient iteration improves the efficiency of mlfma while the reasonable accuracy is maintained 該方法在保證合理計(jì)算精度的同時(shí)大大降低了迭代過程中矩陣矢量相乘的計(jì)算復(fù)雜度,提高了多層快速多極子方法計(jì)算效率。
And the basic two - dimensional transient state equations for semiconductor device are dispersed and linearized . the matrix - vector form of the basic functions is get . and the solution methods are also discussed 離散和線性化了二維瞬態(tài)半導(dǎo)體基本方程,并得到了其矩陣-矢量方程形式,同時(shí)還討論了其求解的方法。
To further speed up the solution of scattering from three dimensional electrically large object by multilevel fast multipole algorithm ( mlfma ) , a local multilevel fast multipole algorithm ( lmlfma ) based on local interactions is proposed to evaluate matrix - vector multiplication 摘要為了進(jìn)一步加速多層快速多極子算法求解電大尺寸目標(biāo)電磁散射,提出了一種基于局部耦合技術(shù)計(jì)算矩陣矢量相乘的多層快速多極子方法。