preconditioner是什么意思

网络释义

用法例句

A Class of Block Lower Bidiagonal Preconditioners with GMRES Method for Systems of LMF-Based ODE Codes;

求解BVMs离散线性系统的块二对角预处理算子

A new preconditioner is proposed in the preconditioned conjugate gradient method (PCG) for solving the problem arising from image restoration.

在图像恢复实际模型的预条件共轭梯度法中 ,提出了一种新的预处理算子 。

It introduces a lower block bidiagonal preconditioner with GMRES method for solving the linear systems derived from the GAM is introduced.

对由Generalized Adams Methods(GAM)离散微分方程所得的大型线性系统,提出了一种基于块的二对角矩阵预处理算子,用以配合使用广义极小残量法(GMRES),实现加速求解。

Some preconditioners are presented for nonsingular indefinite matrices of saddle-point(or KKT) form on the base of Schur complement,which yields preconditioned matrices with at most 4 distinct eigenvalues(i.

利用Schur分解,提出KKT型实不定线性系统的若干预处理子,讨论了这些预处理情形下的Krylov子空间方法收敛所需的迭代步数,从而说明这些预处理方法是非常有效的。

We also introduce the construction of the Hermitian and skew-Hermitian splitting preconditioner, and we derive bounds on the eigenvalues of the preconditioned matrix that arises in the solution of saddle point problems when the Hermitian and non-Hermitian splitting preconditioner is employed.

这时,我们可以通过构造预处理子来加快收敛速度。

Comparison and application of several DEM hydrologic preprocessing algorithms for automated drainage network extraction;

河网自动提取技术中DEM的几种预处理算法及应用

Study on Preprocessing Algorithm of Printed Symbols;

票据字符识别的预处理算法研究

A PLU-SGS method based on a time-derivative preconditioning algorithm and LU-SGS method is developed in order to calculate the Navier-Stokes equations at all speeds.

为了在低马赫数到高马赫数范围内求解可压缩Navier_Stokes方程 ,给出了基于预处理算法的PLU_SGS方法·　将高分辨率AUSMPW格式与三阶MUSCL格式融合 ,将其扩展到三阶精度 ,并采用特征边界条件·　为了验证该方法的有效性 ,通过求解曲线坐标系可压缩Navier_Stokes方程 ,对几个典型流动问题进行了数值计算·　计算结果与文献计算结果或实验数据比较表明 ,该方法对不同马赫数Navier_Stokes方程的计算 ,具有较高的计算精度和收敛速度以及良好的稳定

A Class of Block Lower Bidiagonal Preconditioners with GMRES Method for Systems of LMF-Based ODE Codes;

求解BVMs离散线性系统的块二对角预处理算子

Office of Budget and Management

预算和管理处(预管处)

Preprocessing Research of Vehicle License Image Based on Multi_scale Top-Hat Operators

基于多尺度Top-Hat算子的车牌图像预处理研究

Financial Management and Budgetary Control Service

财务管理和预算管制处(财预管制处)

Quantum computing will be strictly mainframe for the foreseeable future.

确切地说，量子运算处理在可预见的未来将会是台大型机。

Preprocessor (C++)

预处理 (C++)

An Algorithm Based on Differential Preprocessing of Low Elevation Estimation in VHF Radar

基于差分预处理的米波雷达低仰角处理算法

budgetary and fiseal date processing system

预算及财政资料处理系统

Statistical Policy Division of the Office of Management and Budget in the Executive Office

总统办公室预算及管理局统计政策处

Study on Preconditioning Techniques for Generalized Minimal Residual Algorithm;

广义极小残余算法的预处理技术研究

Right Product Polynomial Preconditioned GMRES;

右端积多项式预处理GMRES算法

Research and Implementation of Video Preprocessing Algorithm in Video Codec;

视频编解码预处理算法的研究与实现

The Research of Fingerprint Image Preprocessing and Thinning Algorithm;

指纹图像的预处理和细化算法的研究

The Pretreatment Algorithm Research and Hardware Design of Infrared Image;

红外图像预处理算法研究及硬件实现

The Study of Radar Signal Preprocessor Algorithm Based on FPGA;

基于FPGA的雷达信号预处理算法的研究

The Application of Immune Algorithm in Data Preprocessing of Intrusion Detection;

免疫算法在入侵检测预处理中的应用

Research on Algorithms of Preprocessing and Minutiae Extraction of Fingerprint Image;

指纹图像预处理与特征提取算法研究

Implementation of Star Image Acquisition and Preprocessing Algorithm by FPGA;

基于FPGA的星图采集及预处理算法实现