查询词典 approximation method

In either case of g ∈ C^2 or gC^2, this paper proposes a convenient method for building a T-S fuzzy system and gives a loose sufficient condition of its approximation ability, when the fuzzy sets are uniformly distributed, continuous and normalized.

本文在逼近函数g∈C^2及gC^2两种情况下给出了一种当模糊集满足均匀性、连续性、正规性条件下T-S模糊系统的构造方法以及该T-S模糊系统逼近能力的充分条件。该构造性方法简单易行且其逼近能力充分条件的保守性低。

In either case ofg∈C2 or gnot∈C2, this paper proposes a convenient method for building a T-S fuzzy system and gives a loose sufficient condition of its approximation ability, when the fuzzy sets are uniformly distributed, continuous and normalized.

本文在逼近函数g∈C2及g不∈C2两种情况下给出了一种当模糊集满足均匀性、连续性、正规性条件下T-S模糊系统的构造方法以及该T-S模糊系统逼近能力的充分条件。

This method computed the best rank-k approximation matrix which captured the k most prominent features of the data by minimizing the residual error among all rank-k matrices and then used the feature matrices to produce the prediction of unrated items.

本文通过奇异值分解的方法对用户评分矩阵进行降维，搜索最佳的用户特征矩阵和项特征矩阵，使其能有效地反映原始评分数据的特征，并在此基础上利用特征矩阵进行用户评分预测。

Based on two-dimensional domain decomposition with small overlapping, we provide a method in which local lower and upper triangular incomplete factors are combined into an effective approximation for global incomplete lower and upper triangular factors of coefficient matrix.

基于二维重叠区域分解，对每个子区域上局部不完全LU分解所得到的上、下三角因子分别进行组合，给出一类全局并行不完全分解型预条件。

Using method of effective medium approximation , spheric or complex particulates distributing even in the air background medium is regard as the equivalent of whitecap in this paper .

利用有效介质近似的理论方法，将白冠层视为以空气为背景介质、均匀分布球形或复杂结构海水粒子的一层有效介质。

A thermal temperature and emissivity separation algorithm based on Wien approximation and Alpha derived emissivity method are proposed.

提出了一种基于维恩近似修正和阿尔法获得法的温度和发射率的反演方法。

Based on the phase space model of the zeroth and first order approximation, a regression-autoregression model and a regression-local linear regression model are proposed, which provided new method for dam safety monitoring.

在此基础上，提出了逐步回归—自回归、逐步回归—局域线性回归等大坝观测序列相空间模型，为大坝安全监控模型的建立与预测提供了新的思路与方法。

Then we present our studies on several novel quantum phenomena in the rotating and molecular BECs. In the averaged vortex approximation, a fast rotating BEC in an anharmonic potential is studied in variational method.

研究结果很好地解释了实验中所呈现出的许多令人迷惑的新奇现象；同时，证明了在非简谐振子势下，快速旋转的BEC中能够形成带多个单位角动量的涡旋。

Iterative method; Generalized bisymmetric solution; Least-norm solution; Optimal approximation

迭代解法；广义双对称解；极小范数解；最佳逼近。

Applying the conjugate gradient method, an iterative algorithm is presented to solve the constrained matrix equation AXB+CXD=F over centrosymmetric matrix X and its optimal approximation.

应用共轭梯度思想，给出了求解约束矩阵方程AXB+CXD=F的中心对称解及其最佳逼近的迭代算法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。