sparse adj. 1.(樹木分布等)稀的;(交通車輛等)稀疏的。 2.(人口、毛發(fā)等)稀少的。 3.(雨量)稀缺的;瘦小的。 sparse beard 稀疏的胡須。 a country of sparse population 人口稀少的小國。 n. -sity ,-ly adv.,-ness n.
Design and implement new techniques of dimension transformation and index reshuffle for parallel multi - dimensional sparse matrix on distributed - memory computing environments 分散式記憶體環(huán)境下多維度平行稀疏矩陣維度轉換與索引重組新技術之研發(fā)。
In this paper , we apply adi and high - order compact finite difference method for large - scale asymmetric sparse matrix in semiconductor device simulation 摘要采用adi與高階緊致差分相結合的方法計算大型非對稱稀疏矩陣,并實現(xiàn)了該算法在半導體器件模擬中的應用。
Combining technology of sparse matrix , three solutions of linear system are compared in matlab6 . 5 . the precisions of these three solutions are made little difference 結合稀疏矩陣技術,比較了matlab中線性方程組的三種求解方法,三種求解方案計算的結果在精度上都能滿足要求。
Design and implement new techniques of data compression , data distribution , and compressed schemetransformation for parallel multi - dimensional sparse matrix on distributed - memory computing environments 分散式記憶體環(huán)境下多維度平行稀疏矩陣資料壓縮、分配與壓縮轉換新技術之研發(fā)。
This problem arises from the circuit layout of vlsi designs , interconnection networks , sparse matrix computations , error - correcting code designs , data structures , biology , etc , which has extensive backgrounds 圖的嵌入問題是從稀疏矩陣的計算、數(shù)據(jù)結構、 vlsi電子線路設計和分子生物學等問題中提取出來的數(shù)學模型,有著廣泛的應用背景。
Second , this paper studied the core technologies for developing the cae system for construction curtain wall , such as sparse matrix storage and processor for fea , parametric design and engineering modeling and so on 然后針對建筑幕墻結構計算機輔助工程系統(tǒng)所涉及的與有限元分析相關的稀疏矩陣存儲及求解技術、系統(tǒng)參數(shù)化設計技術以及工程建模技術等關鍵技術進行了較深入的研究。
To deal with the 3d cavities we exploit the method of vector fem , high efficient algorithm for large sparse matrix and the method to compute singular integration to calculate the scattering and coupling character of many cavities of different shape or with medium loading 針對較復雜的三維問題,本文采用了矢量有限元、大型帶狀稀疏矩陣的高效求解方法和奇異性處理等技術有效的求解了不同形狀的三維腔體的散射和耦合。
In this paper , the sparse matrix canonical grid method is applied to analyze electromagnetic scattering from three - dimensional random dielectric scatterers , and improved so that the problem of electromagnetic scattering from three - dimensional random dielectric scatterers could be quickly analyzed 本文將smcg方法應用到隨機分布多目標電磁散射問題的分析中,并對smcg方法加以改進,以達到對隨機分布多目標電磁散射問題進行快速分析的目的。
Then three schemes of the preconditioned sparse matrix canonical grid ( p - smcg ) method are presented and discussed . the sparse matrix canonical grid method is applied to analyze electromagnetic scattering from three - dimensional random dielectric scatterers in conjunction with the generalized minimal residual ( gmres ) method . in the end , these four schemes are applied to analyze electromagnetic scattering from three - dimensional random dielectric scatterers 論文首先運用smcg方法對隨機分布三維介質目標的電磁散射問題進行較為全面的分析和討論,然后討論了如何對smcg方法進行預處理,提出了預處理smcg方法的三種方案,接下來又討論了將smcg方法和廣義最小余數(shù)法( gmres )結合起來的方案,最后應用上面提出的四種方案對多個隨機分布三維介質目標的電磁散射問題進行了分析。
In the yield data acquire multi - line geometric in a radial pattern is adopted . before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated , the description of linear travel - time interpolation ( lti ) calculations , the derivation of jacobian linear equations , and the deductions of solving large sparse matrix equations , i . e . the lsqr iterations , are involved . in order to cope with the uncertainties in tomography , we reach several categories on constraint methods 對于野外數(shù)據(jù)采集采用多測線上放射狀布置檢波器;圍繞層析成像方法,文章分析了線性差值射線追蹤lti技術,推導出在矩形網格內速度以雙線性關系變化時方程組的解析式,進一步詳細探討方程組的求解方法,即最小平方正交分解法,并給出了迭代公式。