搜索资源列表
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matlab经典算法的程序
最速下降梯度法matlab程序
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约束最优化方法--最速下降法(也叫梯度法),是人们用来求多个变量函数极值问题的最早的一种方法。-Constrained optimization methods- steepest descent method (also known as gradient method), is used for multiple variables function Extremum Problems earliest methods.
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机械优化设计的作业 包括一维搜索方法(二次差值,牛顿法,黄金分割法),以及最速下降法和内点惩罚函数法及等值线图-Optimal Design of mechanical operations, including one-dimensional search method (the second difference, Newton' s law, golden section method), and the steepest descent method and interior po
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用MATLAB求解无约束的问题,主要有最速下降法,牛顿法,共轭梯度法,变尺度法(DFP和BFGS法),非线性最小二乘法。
用MATLAB求解有约束的问题,主要是外惩罚函数和广义乘子法。
以及一些对具体问题的分析,MATLAB的代码在文档里都有。
-Using MATLAB to solve the problem of non-binding, there are the steepest descent method, Newton method, conjugate gradie
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CG方法 高等数值分析 PCG方法 最速下降法-CG methods of numerical analysis of higher PCG method steepest descent method
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计算梯度下降法计算极值,只能找到局部最小点。可以通过调整步长实现全局最小-Calculation of gradient descent method to calculate extreme value, can only find local minimum point. By adjusting the step size can achieve the global minimum
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最速下降法,是数值分析中很重要的一种,源码为其在matlab中的实现。-Steepest descent method, numerical analysis is a very important one in the matlab source code for its realization.
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采用最速下降法查找最小值,采用H终止准则,计算时间很快,很适合初学者使用-Steepest descent method using the minimum search using H termination criteria, the computation time soon, it is suitable for beginners to use
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用MATLAB代码来实现最速下降法的计算。-MATLAB code used to achieve the steepest descent method calculations.
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NUMERICAL OPTIMIZATION:
This steepest descent method with constant step length to find the minima of
f(x, y) = xy exp(− 2x^2 − y^2 + 0.3y)
Graphical represxentation in 5 ways of solution, simple and clear explained.-NUMERICAL OPTIMIZ
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Steepest descent have been applied to a biomedical application data and the component responsible for key operation is obtained
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病态线性方程组的计算题,涉及Gauss消元法、雅可比迭代法、高斯-赛德尔迭代法、最速下降法和共轭梯度法。每一个方法,都编写一个m文件,封装成函数的形式。然后通过总的HilbLineEquSet.m文件来调用执行,画出误差曲线图,得到运行结果。总的Matlab程序流程,如下所示:
病态方程组的计算包括:HilbLineEquSet.m、gauss.m、jacobi.m、gauss_seidel.m、fastest_descend.m和conjugated_grad.m六个文件。
程序执行结
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自适应滤波中的最速下降法仿真程序,课程的大作业,可以绘制梯度曲线-Adaptive Filter steepest descent method simulation program, course the big job, you can draw the gradient curve
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最速下降法,搜索算法,匈牙利算法。-Steepest descent method, the search algorithm, the Hungarian algorithm. Etc.
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这是一个用最速下降法求解线性方程的方法,程序代码使用matlab语言。
-This is a steepest descent method for solving linear equations, program code using matlab language.
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最优化算法,最速下降法,matlab函数实现
function [istatus,xm,ym,lamda]=quickestdown(y,x0,lamda0, tol, maxIter)
最速下降法
输入:fun--目标函数
x--变量 x0---初始位置
lamda0--初始步长
tol---精度
maxIter--最大迭代次数
-Steepest descent method
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MATLAB实现的最速下降法,简单易懂,大家可以下载看一下,做参考。-MATLAB implementation of the steepest descent method is simple to understand, we can download the look, do reference.
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关于最优化算法的Matlab仿真程序,最速下降法与牛顿法。-Optimization algorithm Matlab simulation program, the steepest descent method and Newton method.
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程序是通过最速下降法寻找三阶二维的目标函数的局布极值点。-Program is through the steepest descent method to find the objective function of the third-order two-dimensional local extremum point.
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使用matlab实现最速下降法,已经经过测试,可以正确使用-Using matlab to achieve the steepest descent method has been tested and used properly.
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