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matlab-zuisuxiajiang实现matlab上的最速下降法-Matlab - Matlab zuisuxiajiang achieve the 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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基于LM算法实现的均衡器。采用梯度估计近似实现最陡下降法。给出最后实验误差平方的均值曲线图。有完整的注释。-LM algorithm based on the equalizer. Similar to the realization of the estimated gradient steepest descent method. Finally, given the experimental error of the mean-square curve. Note complete.
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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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压缩包里包含了无约束优化问题常用的几种求解方法的源程序:变量轮换法(variable_rotation.m)、最速下降法(steepest_descent.m)、修正牛顿法(modified_newton.m)、共轭梯度法(conjugate_gradient.m)。另外,coefficient_matrix.m为目标函数系数获得矩阵,minval.m为最小值计算函数,gradient.m为梯度计算函数-Compression bag contains unconstrained optimiz
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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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最优化方法 最速下降法程序 MATLAB程序-MATLAB program optimization method of steepest descent method
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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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Steepest descent method implemented by matlab
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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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