sparsity

英

美

网络  稀疏度; 稀少; 稀疏性; 稀疏问题; 稀疏

BNC.45121 / COCA.45310

英英释义

noun

• the property of being scanty or scattered
  Synonym:sparsenesssparenessthinness

双语例句

• 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.
  对于一般的带状矩阵，详述对对称与非对称三对角化矩阵做QR分解后，Q矩阵与R矩阵的稀疏元素分布型态。
• The application of sparsity technology evidently makes the matrix calculation of power system more efficient.
  稀疏技术在电力系统中的应用显著提高了电力系统矩阵运算的效率。
• Research of Sparsity and Cold Start Problem in Collaborative Filtering
  协同过滤系统的稀疏性与冷启动问题研究
• Associated with access to services, employment, and leisure, they are functions of population sparsity, demography, opportunity, and geography.
  与在城市获得服务，就业，休闲相比，他们则显示出人口稀疏，机遇和地理的劣势。
• The sparsity and the problem of the curse of dimensionality of high-dimensional data, make the most of traditional clustering algorithms lose their action in high-dimensional space.
  高维数据的稀疏性和“维灾”问题使得多数传统聚类算法失去作用，因此研究高维数据集的聚类算法己成为当前的一个热点。
• In this paper, investigate the nonlinear inverse problem of sparsity constraint regularization.
  本文研究了非线性反问题的稀疏约束正则化方法。
• However, the dependency of neighborhood coefficients is also a prior to accelerate the convergence of reconstruction algorithm besides the sparsity.
  除了稀疏性之外，邻域系数的相关性也可以作为先验知识加速重构算法收敛。
• Research of Data Sparsity Problem in Recommendation Systems Based on Collaborative Filtering
  基于协同过滤推荐系统的数据稀疏性问题研究
• The sparsity of the edges is considered in the regularization model.
  为该正则化模型引入了边缘稀疏约束，并研究了求解方法。
• The sparse Bayesian learning algorithm guarantees the sparsity of the weighting coefficient matrix.
  稀疏贝叶斯学习算法的应用，使得加权系数矩阵具有很好的稀疏性，保证了重建图像的质量。