matrix-vector造句
例句與造句
- At the same time , we test the validity of class components of application component layer , and prove they can implement the matrix - vector parallel
同時對應(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算精度的同時大大降低了迭代過程中矩陣矢量相乘的計算復(fù)雜度,提高了多層快速多極子方法計算效率。 - 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)計算矩陣矢量相乘的多層快速多極子方法。 - It's difficult to find matrix-vector in a sentence. 用matrix-vector造句挺難的
- Instead , there needs to store only the original coefficient matrix , some auxiliary matrices for the preconditioner and several vectors in the iteration methods . further , the core of the iteration is the matrix - vector multiplication and the solution of the auxiliary equations corresponding to the preconditioner . if the solution of the auxiliaries spend not very much , the computational cost in each iteration step will be very cheap , due to the fact that the sparsity of the matrix can be exploited sufficiently
與直接法相比,迭代法只需存儲原系數(shù)矩陣、對應(yīng)于預(yù)處理的幾個輔助矩陣與少量幾個向量,且迭代中除求解輔助線性方程組外,其余的計算主要是稀疏矩陣與向量乘積,從而能充分利用稀疏性減少計算量,但迭代法的收斂速度一般與系數(shù)矩陣的譜分布有關(guān)。 - To obtain the fast matrix - vector multiplication algorithm , we approximate the kernel function with piece - wise polynomial and get the approximate coefficient matrix a using the approximate kernel function . let n be the number of quadrature points and k2 be the number of interpolating knots at each subdomain . it is proved that the construction of a and the matrix - vector multiplication ax require o ( nk ) operations respectively
我們利用對核函數(shù)進(jìn)行分片多項式插值逼近得到適用于快速方法的近似系數(shù)矩陣a :矩陣a的計算和矩陣-向量相乘ax各需要o ( nk )次運(yùn)算,存貯a需要占用o ( nk )內(nèi)存,其中n為積分節(jié)點(diǎn)的個數(shù), k ~ 2為每個小區(qū)域的插值節(jié)點(diǎn)數(shù)。 - Application component layer envelops the parallel algorithms of matrix - vector operation to offer users high - level interfaces ; the other three layers implement data abstraction 、 data partition and parallel mechanism respectively , and every layer has specific class and interface definition
其中應(yīng)用組件層把矩陣向量運(yùn)算的并行算法封裝成類組件,為用戶提供了高層次的接口;另外三層分別實現(xiàn)數(shù)據(jù)抽象、數(shù)據(jù)劃分和并行機(jī)制支持三方面功能,每一層都有具體的類組件和明確的接口定義。