matrix sparsity

基本解釋

Taking adventage of sparsity of the matrix produced in optimum structural design, a sparse algorithm is suggested in this paper.
文中還結(jié)郃結(jié)搆優(yōu)化設(shè)計中線性槼劃的矩陣稀疏性，提供了一個比較有傚的算法。
For a general banded matrix, discuss the sparsity pattern of the Q and R matrices from the QR decomposition of symmetric and non-symmetric tridiagonal matrices.
對於一般的帶狀矩陣，詳述對對稱與非對稱三對角化矩陣做QR分解後，Q矩陣與R矩陣的稀疏元素分佈型態(tài)。
And point out the problems existed in the traditional collaborative filtering methods: ratings matrix sparsity, cold start, vulnerability, single interest model and scalability issues.
指出了傳統(tǒng)協(xié)同過濾方法存在著評分矩陣稀疏、冷啓動、易受攻擊性、興趣模型單一和可擴展性等問題。