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。
• However, with the increasing of system users and the number of goods, Collaborative filtering also faces severe challenges such as sparsity problem, accuracy problem and so on.
  但随着电子商务系统用户和商品数量的增加，协同过滤也面临着稀疏性、精确性等问题的考验。
• 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。
• 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。
• Result: GEPRB can reduce the cumulating thickness of the basilar membrane and that of the vascular pattern, so as to tighten up the sparsity of the spiral ganglion cells.
  结果：豁痰祛瘀颗粒能降低糖尿病大鼠升高的血糖，减轻糖尿病大鼠早期耳蜗基底膜、血管纹增厚程度，使稀疏的螺旋神经节细胞变致密。
• Algorithms in semigroup algebra k [ A] can improve the efficiencies because they utilize the sparsity of polynomials.
  由于利用了多项式的稀疏性半群代数K[A]中算法提高了效率。
• The fast inverse iteration algorithm and sparsity technique are also exploided to reduce the computation time and memory requirement.
  在算法上采用快速逆迭代原理并应用稀疏存贮技术有效地节约了机时和内存。
• We proposed an object tracking algorithm based on sparsity feature and color feature.
  提出结合稀疏性和颜色的方法实现目标追踪的算法。
• It discusses the exploitation of sparsity in large LP problems as used in practice.
  对高阶线性规划问题实际应用的稀疏技术的开发作了探讨。
• Thirdly, the application of these sparsity properties to SAR image feature-enhancement was investigated.
  然后，分析了稀疏约束在SAR图像分辨率增强中的应用方法。