登录
首页 » matlab » PCG

PCG

于 2007-11-16 发布 文件大小:1KB
0 239
下载积分: 1 下载次数: 360

代码说明:

  % SSOR预处理的共轭梯度法求解方程Ax=b % 输入参数说明 % A 正定矩阵[n*n] % b 右边向量 % omega SSOR预处理参数(0--2) % Times 迭代次数 % errtol 给定误差终止条件 % %输出参数 % NewX 方程Ax=b的x近似解 % avgerr 求解的当前平均绝对误差( SSOR preconditioning conjugate gradient method for solving equations Ax = b the input parameter descriptions A positive definite matrix [n* n] b right side vector omega SSOR preconditioning parameters (0- 2) Times iterations errtol termination of a given error condition NewX output parameter equation Ax = b of x approximate solution to solve the current avgerr average absolute error)

文件列表:

PCG.m

下载说明:请别用迅雷下载,失败请重下,重下不扣分!

发表评论

0 个回复

  • 最速下降法与牛顿法
    说明:  此代码包括牛顿法和梯度下降法的实现过程,最优化以及算法中常见的问题解决方式(This code includes the process of Newton method and gradient descent method)
    2020-01-07 09:42:51下载
    积分:1
  • NSHG
    二阶非线性耦合波方程组的计算 The calculation of the second-order nonlinear coupled wave equations(The calculation of the second-order nonlinear coupled wave equations)
    2021-03-16 14:59:22下载
    积分:1
  • Paraboloidfitting
    基于最小二乘法的抛物面拟合,内含有模拟数据和真是数据供参考。(Contains analog data based on the method of least squares parabolic fitting, and is really data for reference.)
    2012-11-29 09:45:29下载
    积分:1
  • Rectangle
    根据输入的长宽,计算Rectangle面积周长等功能,并画出在txt文件中(Rectangle Create a class Rectangle with attributes length and width, each of which defaults to 1 a. Provide member functions that calculate the perimeter and the area of the rectangle. b. Also provide set and get functions for the length and width attributes. The set functions should verify that length and width are each integer numbers larger than 0 and less than 20. c. Write draw function to display the Rectangle: in Assignment1. ) d. Write a driver program to test class Rectangle.)
    2012-10-24 23:54:51下载
    积分:1
  • sd452
    用谱方法计算流体力学一些流动现象的整体稳定性,MIMO OFDM matlab仿真,本程序的性能已经超过其他算法。( Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, MIMO OFDM matlab simulation, This program has exceeded the performance of other algorithms.)
    2017-04-18 11:10:42下载
    积分:1
  • Scooter
    计算水声传播的快速场程序,使用了有限元方法,计算速度快,精度高。(underwater acoustic propagation Fast Field Program, using Finte Element Method,fast and accurate.)
    2021-03-19 20:39:19下载
    积分:1
  • Adcalc
    一个表达式计算库,支持算术,逻辑运算,位运算,支持多层级的if/then/else,功能强大。(Calculation of an expression library, support for arithmetic, logic operations, bit computing, multi-level support if/then/else, powerful.)
    2007-10-17 17:58:08下载
    积分:1
  • numerical
    求解二阶变系数常微分方程,主要用于涡激振动中频率响应的计算(Solving second-order ordinary differential equations with variable coefficients)
    2014-01-06 19:23:10下载
    积分:1
  • udf_dpm_tongji
    fluent多相流DPM模型中使用用户自定义函数对颗粒进行统计(DPM fluent multiphase flow model using user-defined functions for particle statistics)
    2020-12-06 21:09:21下载
    积分:1
  • numpy-dev
    这是python一个数学计算库,非常有用,而且python在处理科学计算时经常会用到它(This is a mathematical calculation python library is very useful, but when dealing with scientific computing python often use it)
    2015-03-20 16:13:31下载
    积分:1
  • 696516资源总数
  • 106783会员总数
  • 25今日下载