搜索资源列表
unconstrained_optimization
- VC实现的,多维函数搜索,无约束优化方法, (1)最速下降法 (2)阻尼牛顿法(3)共轭梯度法 (4)鲍维尔法(5)变尺度法(6)单纯形法 -VC implementation, multi-dimensional function of search, unconstrained optimization methods, (1), steepest descent method (2) damped Newton' s method (3) conjugate gradient
opt_steep
- 最速下降法,沿梯度下降的方法寻找最优解的经典方法-Steepest descent method
ABpTRAININGd
- 自适应步长BP神经网络训练算法,采用最小误差和梯梯度下降法更新权值 ,经测试可直接使用。 -Adaptive step size BP neural network training algorithm, the minimum error and ladder gradient descent to update the weights, has been tested and can be used directly.
Perceptron_Function
- 感知器算法,利用C语言实现。利用梯度下降法进行迭代求解。-Perception algorithm, using C language, that is, we usually write operations, to share with you. . . .
matlabprogram
- 改进的最速梯度下降法,优于数值优化,matlab实现-Improved the speed gradient descent method, which is higher than that of numerical optimization
LogisticRegression
- 用python实现逻辑回归,实现了梯度下降,随机梯度下降法收敛。-Realized the logistic regression by python, using gradient decescent, stochastic gradient decescent to diverge to the final point.
Exercise8
- LES算法。包含梯度下降法优化算法,并且以图示每一步迭代权值如何更新。-LES algorithms. Contains gradient descent optimization algorithm, and with each iteration illustrates how to update the weights.
CV-model-code2
- CV模型是一种重要的图像分割模型,本文针对其收敛速度慢、效率低的缺点提出一种求解CV模型的新方法.首先将CV模型的能量泛函改写成与原来有相同稳定解的总变分公式形式,然后使用对偶公式法求总变分公式的极小值,再在其中引入一速度项以加快模型的收敛速度.新方法一方面克服了梯度下降法要求时间步长小、迭代次数多的缺点,经过较少次的迭代就能收敛,减少了迭代计算的次数-CV model is one of the most important image segmentation model and disad
MIT
- 基于梯度下降法的自适应控制的源代码,程序详细,可运行-Based on gradient descent method of adaptive control of source code, procedures detailed, can run
RBF_gradient
- 考虑Hermit多项式的逼近问题 ,用梯度下降法训练RBF网络-Consider Hermit polynomial approximation problem, descent training RBF network with a gradient
net_test_ok
- bp神经网络预测退火炉钢带温度,效果很好,对于理解负梯度下降法有很大帮助。-Steel temperature prediction.
zuisuxiajiang_2+gongetidu_4
- 使用最速下降法和共轭梯度法实现优化功能,基于MATLAB平台使用m语言编写(Based on the MATLAB platform, steepest descent method and conjugate gradient method are used to achieve the optimization function with M language.)
XOR2
- 该程序用BP神经网络解决XOR问题,其中设置了恒定权值、阈值和随机权值、阈值;并且将梯度下降法进行添加记忆一项来改进。(Using BP neural network to solve XOR problem, the program which set up a constant weight and threshold and random weight and threshold value;And the gradient descent method to add a to impro
优化算法
- 解决了最小无约束优化问题 步长由ARmijo非精确一维搜索生成,迭代方向分别由最速下降法,阻尼牛顿法,共轭梯度法,拟牛顿法(BFGS)产生(This code solves the minimum unconstrained optimization problem, and the step size is generated by ARmijo inexact one-dimensional search. The iterative directions are generated b
gradient.m
- 最速下降法的简明例子,注释详细,可以做参考意见(the easy example of steepest descent method)
无约束优化问题
- 包括几种常用的无约束优化算法,比如最速下降法、BFGS算法、共轭梯度法等等(Including unconstrained optimization algorithms in common use)
DHXYWFE282
- 用于汽车巡航控制系统的模糊控制算法,以及如何利用梯度下降法和卡尔曼滤波来优化模糊控制器的算法,The files illu()
fbxpopw
- 用于汽车巡航控制系统的模糊控制算法,以及如何利用梯度下降法和卡尔曼滤波来优化模糊控制器的算法,The files illu()
最小二乘法-梯度下降法-牛顿法
- 用Python3在jupyter notebook实现最小二乘法,梯度下降法和牛顿法(Using Python3 to realize least square method, gradient descent method and Newton method in jupyter notebook)
梯度下降法求解回归问题
- 使用SOFTMAX分类器对已有的数据集进行分类(Classification of existing data sets using SOFTMAX classifier)