结果:找到“gradient”相关内容55个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
机器学习技法:课堂学习笔记,台大林轩田主讲核逻辑回归
1 个回复 - 274 次查看 机器学习技法:学习笔记,台大林轩田主讲 林轩田《机器学习技法》课程笔记5--Kernel Logistic Regression.pdf 林轩田《机器学习技法》课程笔记8--Adaptive Boosting.pdf 林轩田《机器学习技法》课程笔记6 ...2023-5-16 20:52 - mujahida01 - 现金交易版
基于Matlab 数值方法 第1-11章习题答案Numerical Methods_ Using MATLAB
1 个回复 - 352 次查看 基于Matlab 数值方法 第1-11章习题答案Numerical Methods_ Using MATLAB ,也是教师手册 =Instructor's Solution Manual for Numerical Methods: Using MATLAB John H. Mathews and Kurtis D. Fink August 2012 ...2023-4-27 07:12 - Fu-pear - 现金交易版
批量梯度下降lasso回归岭回归弹性网络:Python 代码
3 个回复 - 632 次查看 批量梯度下降lasso回归岭回归弹性网络:Python 代码 批量梯度下降lasso回归岭回归弹性网络:Python 代码 batch gradient descent.py elastic net.py lasso regression.py ridge regression.py ...2022-12-7 19:04 - Mujahida - 现金交易版
ridge regression,lasso regression,elastic net,batch gradient descent代码 in
1 个回复 - 1361 次查看 ridge regression,lasso regression,elastic net,batch gradient descent代码 in Python ridge regression,lasso regression,elastic net,batch gradient descent代码 in Python batch gradient des ...2022-6-22 14:35 - Lala-20200 - 现金交易版
【经典教材系列】Zeroing Dynamics, Gradient Dynamics, and Newton Iterations
65 个回复 - 2972 次查看 欢迎订阅wwqqer文库!2015-12-25 03:53 - wwqqer - 微观经济学
Iterative Alpha Expansion for estimating gradient
3 个回复 - 534 次查看 【作者(必填)】 Sheng Xu Zhou Fan 【文题(必填)】 Iterative Alpha Expansion for estimating gradient‐sparse signals from linear measurements【年份(必填)】 2021 【全文链接或数据库名称(选填)】https: ...2021-1-21 21:19 - internet.hzx - 求助成功区
Gradient-based Sparse Principal Component Analysis with Extensions to Online Lea
1 个回复 - 463 次查看 【作者(必填)】 232 【文题(必填)】Gradient-based Sparse Principal Component Analysis with Extensions to Online Learning 【年份(必填)】 2323 【全文链接或数据库名称(选填)】https://academic.oup.co ...2022-7-16 19:51 - internet.hzx - 求助成功区
Hands-On Gradient Boosting with XGBoost and scikit-learn
6 个回复 - 1360 次查看 Hands-On Gradient Boosting with XGBoost and scikit-learn Perform accessible Python machine learning and extreme gradient boosting with Python by Corey Wade2021-7-22 07:07 - bearfighting - Forum
Hands-On Gradient Boosting with XGBoost and scikit-learn Perform accessible Pyth
6 个回复 - 2703 次查看 Hands-On Gradient Boosting with XGBoost and scikit-learn Perform accessible Python machine learning and extreme gradient boosting with Python by Corey Wade 将梯度提升树、XGboost中比较好的教材,书中 ...2021-7-27 15:59 - 枫箫絮 - 数据分析与数据挖掘
Estimating individual treatment effects by gradient boosting trees
1 个回复 - 583 次查看 【作者(必填)】Shonosuke Sugasawa[/backcolor] Hisashi Noma[/backcolor] 【文题(必填)】 Estimating individual treatment effects by gradient boosting trees 【年份(必填)】2019 【全文链接或数据库 ...2020-5-7 18:07 - 黑暗的造访 - 求助成功区
An averaged nodal deformation gradient linear tetrahedral element for large stra
1 个回复 - 594 次查看 【作者(必填)】J. Bonet H. Marriott O. Hassan 【文题(必填)】An averaged nodal deformation gradient linear tetrahedral element for large strain explicit dynamic applications 【年份(必填)】20 ...2019-3-1 13:47 - victorbian - 求助成功区
Gradient Flows in Metric Spaces and in the Space of Probability Measures
5 个回复 - 1409 次查看 很适合做数值优化的同学做参考书,Luigi Ambrosio写的书都相当具有启发性,他本人也是变分研究的大牛。2018-11-29 09:35 - kokomi_forever - 经济金融数学专区
Insurance Premium Prediction via Gradient Tree-Boosted Tweedie Compound Poisson
1 个回复 - 504 次查看 【作者(必填)】 23 【文题(必填)】 Insurance Premium Prediction via Gradient Tree-Boosted Tweedie Compound Poisson Models【年份(必填)】 23 【全文链接或数据库名称(选填)】https://www.tandfonline.com/ ...2018-10-18 12:07 - internet.hzx - 求助成功区
Conjugate Gradient Algorithms in Nonconvex Optimization
3 个回复 - 568 次查看 【作者(必填)】 【文题(必填)】Conjugate Gradient Algorithms in Nonconvex Optimization 【年份(必填)】2009 【全文链接或数据库名称(选填)】https://link.springer.com/book/10.1007/978-3-540-85634-42019-4-29 20:18 - nivastuli - 求助成功区
Machine Learning using Gradient Boosting(Python)
7 个回复 - 3169 次查看 Gradient boosting is a machine learning technique for regression problems, which produces a prediction model in the form of an ensemble of weak prediction models, typically decision trees. It builds t ...2015-5-18 01:39 - Nicolle - winbugs及其他软件专版
求助A gradient-boosting decision-tree approach
0 个回复 - 755 次查看 1 论文标题 A gradient-boosting decision-tree approach for firm failure prediction: an empirical model evaluation of Chinese listed companies 2 作者信息 Liu, Jiaming Wu, Chong 3 出处和链接(比 ...2021-1-24 18:51 - xvy892017 - 论文版
AdaBoost和Gradient Boost –两种流行的集成模型技术之间的比较研究
0 个回复 - 751 次查看 AdaBoost和Gradient Boost –两种流行的集成模型技术之间的比较研究 组合两个或多个分类器或模型并进行预测(通过投票进行分类或通过对数值进行平均)来提高性能准确性称为Ensemble模型。当模型不稳定(灵活)导致从 ...2020-12-17 19:30 - 时光永痕 - 数据分析与数据挖掘
实施PEGASOS:用于SVM,逻辑回归和在情感分类中的应用的原始估计子GrAdient求解器(Py
0 个回复 - 1307 次查看 实施PEGASOS:用于SVM,逻辑回归和在情感分类中的应用的原始估计子GrAdient求解器(Python) 虽然支持向量机模型(二进制分类器)通常是通过解决对偶空间中的二次规划问题来构建的,但也可以通过解决原始优化问题来 ...2020-11-20 19:39 - 时光永痕 - 数据分析与数据挖掘
关于gauss程序估计结果中Gradient的困惑
0 个回复 - 1147 次查看 请问gauss程序估计结果中有参数估计值、对应的标准差和 Gradient,Gradient是梯度吧,代表什么意思呢?为什么估计结果要给出Gradient这个指标啊,Gradient与迭代收敛有关么,还是与参数显著性有关呢?请高手告知一二 ...2020-9-5 16:44 - liangwang2007 - Gauss专版
【学习笔记】8.21打卡 GBDT GBDT(Gradient Boosting Decision Tree)又叫MAR ...
1 个回复 - 678 次查看 8.21打卡 GBDT GBDT(Gradient Boosting Decision Tree)又叫MART(Multiple Additive Regression Tree),是一种迭代的决策树算法,该算法由多颗决策数树组成,所有树的结论累加起来做最终答案。GBDT中的树是回归树 ...2020-8-21 23:57 - 田JL - Forum
R用极大似然法估计copula参数时出现NA in the initial gradient
0 个回复 - 1197 次查看 如题,u是前面步骤产生的矩阵2列,不知道是什么算法问题吗不太懂 L2020-1-15 15:27 - loooooy - R语言论坛
【学习笔记】from functions import * from gradient import numerical_gradi ...
0 个回复 - 711 次查看 from functions import * from gradient import numerical_gradient # 构造的是两层神经网络 class TwoLayerNet: # 初始化方法 def __init__(self, input_size, hidden_size, output_size, weight_in ...2020-1-8 09:25 - 9248_1572342225 - Forum
R语言最极大似然估计时候出现NA in the initial gradient
4 个回复 - 3767 次查看 setwd=("D:/Rdata/") sj1) { if (res2016-12-13 08:33 - 扩散带 - R语言论坛
The Gradient Discretisation Methods
3 个回复 - 790 次查看 This monograph presents the Gradient Discretisation Method (GDM), which is a unified convergence analysis framework for numerical methods for elliptic and parabolic partial differential equations. The ...2018-7-31 23:30 - nivastuli - 博弈论
On a parabolic–elliptic system with gradient dependent chemotactic coefficient
3 个回复 - 640 次查看 【作者(必填)】MihaelaNegreanua.Ignacio Tellobc 【文题(必填)】On a parabolic–elliptic system with gradient dependent chemotactic coefficient 【年份(必填)】2018 【全文链接或数据库名称(选填)】htt ...2018-4-19 16:48 - xiaosongshu1 - 求助成功区
Machine learning for inverse lithography: using stochastic gradient descent..
0 个回复 - 590 次查看 摘要:Inverse lithography technology (ILT) synthesizes photomasks by solving an inverse imaging problem through optimization of an appropriate functional. Much e...原文链接:http://adsabs.harvard.edu/a ...2018-1-23 21:00 - AIworld - 人工智能论文版
[]A Gentle Introduction to Mini-Batch Gradient Descent
2 个回复 - 734 次查看 **** 本内容被作者隐藏 ****2017-9-8 22:22 - ReneeBK - winbugs及其他软件专版
What Happened to the CBD-Distance Gradient?: Land Values in a Policentric City
1 个回复 - 511 次查看 【作者(必填)】 E. Heikkila 【文题(必填)】 What Happened to the CBD-Distance Gradient?: Land Values in a Policentric City 【年份(必填)】 1989 【全文链接或数据库名称(选填)】http://journals.sagepub ...2017-8-10 22:33 - ticket1988 - 求助成功区
【求助】Deep neural networks, gradient-boosted trees, random forests: Statistica
2 个回复 - 1289 次查看 【作者(必填)】 Christopher Krauss, Xuan Anh Doa, Nicolas Huckb 【文题(必填)】 Deep neural networks, gradient-boosted trees, random forests: Statistical arbitrage on the S&P 500 【年份(必填)】 201 ...2017-4-5 22:53 - forrest_zhukun - 求助成功区
Learning to Learn by Gradient Descent by Gradient Descent
0 个回复 - 2088 次查看 Learning to learn by gradient descent by gradient descent, Andrychowicz et al., NIPS 2016One of the things that strikes me when I read these NIPS papers is just how short some of them are – between t ...2017-2-9 22:53 - oliyiyi - LATEX论坛
Learn how to Develop and Deploy a Gradient Boosting Machine Model
1 个回复 - 952 次查看 GBM is one the hottest machine learning methods. Learn how to create GBM using SciKit-Learn and Python and understand the steps required to transform features, train, and deploy a GBM. [hr] [/td][ ...2017-1-21 16:03 - oliyiyi - LATEX论坛
Gradient Boosted Machines with H2O
5 个回复 - 664 次查看 **** 本内容被作者隐藏 ****2016-6-27 07:45 - Nicolle - winbugs及其他软件专版
Monte - gradient based learning in Python
15 个回复 - 1148 次查看 **** 本内容被作者隐藏 ****2016-4-24 23:10 - Nicolle - winbugs及其他软件专版
Pace and Critical Gradient for Hill Runners: An Analysis of Race Records
1 个回复 - 486 次查看 【作者(必填)】Anthony Kay 【文题(必填)】Pace and Critical Gradient for Hill Runners: An Analysis of Race Records 【年份(必填)】2012 【全文链接或数据库名称(选填)】http://www.degruyter.com/view ...2016-4-12 10:04 - dliangfranklin - 求助成功区
Colors Backgrounds and Gradients
0 个回复 - 1103 次查看 2015-11-24 18:00 - mipbuilder - winbugs及其他软件专版
求问:co模块中 gradient.ext file not found
2 个回复 - 1138 次查看 在论坛上搜索了一下,好像没有gradient.ext这个文件,下载了davil2000大神的co模块库,但是没有找到这个文件,哪位坛友有的话,可以共享一下吗? 我的邮箱: 非常感谢2015-11-11 19:33 - happyqj - Gauss专版
SVG Colors, Patterns & Gradients
2 个回复 - 618 次查看 2015-10-16 07:53 - Nicolle - winbugs及其他软件专版
The Tax Gradient: Spatial Aspects of Fiscal Competition
2 个回复 - 836 次查看 【作者(必填)】 David R. Agrawal 【文题(必填)】 The Tax Gradient: Spatial Aspects of Fiscal Competition. 【年份(必填)】 2015 【全文链接或数据库名称(选填)】2015-9-22 21:17 - 耕耘使者 - 求助成功区
A speed gradient viscous continuum model with the consideration of coupling effe
1 个回复 - 564 次查看 【作者(必填)】Peng, GH (Peng, Guanghan) 【文题(必填)】A speed gradient viscous continuum model with the consideration of coupling effect for two-lane freeway 【年份(必填)】2015 【全文链接或数 ...2015-9-9 09:14 - kaifengedu - 求助成功区
The Gradient Projection Method for Nonlinear Programming
2 个回复 - 1119 次查看 【作者(必填)】 J. B. Rosen 【文题(必填)】 The Gradient Projection Method for Nonlinear Programming. . Part I. Linear Constraints 【年份(必填)】 1960 【全文链接或数据库名称(选填)】http://www.jsto ...2015-7-26 22:36 - ticket1988 - 求助成功区
求文献 Modified Yabe-Takano nonlinear conjugate gradient method
0 个回复 - 860 次查看 【作者(必填)】Fenghua Wen and Zhifeng Dai 【文题(必填)】Modified Yabe-Takano nonlinearconjugate gradient method 【年份(必填)】2012 【全文链接或数据库名称(选填)】http://www.ybook.co.jp/online2 ...2014-12-28 21:51 - hzf8731 - 文献求助专区
Modified Yabe-Takano Nonlinear Conjugate Gradient Method
0 个回复 - 947 次查看 【作者(必填)】 【文题(必填)】 Modified Yabe-Takano nonlinear conjugate gradient methodF Wen, Z Dai - Pacific Journal of Optimization, 2012 - ybook.co.jp 【年份(必填)】 【全文链接或数据库名称(选 ...2014-12-2 21:19 - 金融坦然 - 文献求助专区
Comments on “A hybrid conjugate gradient method based on a quadratic
1 个回复 - 915 次查看 【作者(必填)】 【文题(必填)】 Comments on “A hybrid conjugate gradient method based on a quadratic relaxation of the Dai-Yuan hybrid conjugate gradient parameter”Z Dai, X Chen, F Wen - Optimizat ...2014-12-2 20:53 - 金融坦然 - 求助成功区
Gradients of the Intergenerational Transmission of Health
119 个回复 - 15231 次查看 1 论文标题 Gradients of the Intergenerational Transmission of Health in Developing Countries2 作者信息 Sonia Bhalotra Samantha Rawlings 3 出处和链接(比如,NBER working paper No.11000) http://ft ...2013-4-25 07:24 - 夸克之一 - 论文版
A Modified Polak-Ribière-Polyak Conjugate Gradient Algorithm For Large-Scale
4 个回复 - 776 次查看 【作者(必填)】Gonglin Yuan, Zengxin Weia and Qiumei Zhao 【文题(必填)】A Modified Polak-Ribière-Polyak Conjugate Gradient Algorithm For Large-Scale Optimization Problems 【年份(必填)】2012 【 ...2013-12-9 10:39 - hanxiaopeng2008 - 文献求助专区
A Modified Polak-Ribière-Polyak Conjugate Gradient Algorithm For Large-Scale
1 个回复 - 698 次查看 【作者(必填)】Gonglin Yuan, Zengxin Weia and Qiumei Zhao 【文题(必填)】A Modified Polak-Ribière-Polyak Conjugate Gradient Algorithm For Large-Scale Optimization Problems 【年份(必填)】2012 【 ...2013-12-7 22:32 - hanxiaopeng2008 - 求助成功区
A modified two-point stepsize gradient algorithm for unconstrained minimization
1 个回复 - 757 次查看 【作者(必填)】Saman Babaie-Kafakiab , Masoud Fatemic 【文题(必填)】A modified two-point stepsize gradient algorithm for unconstrained minimization 【年份(必填)】2012 【全文链接或数据库名称( ...2013-10-22 21:59 - hanxiaopeng2008 - 求助成功区
A new two-parameter family of nonlinear conjugate gradient methods
1 个回复 - 677 次查看 【作者(必填)】B. Sellamia, Y. Laskria , R. Benzinea 【文题(必填)】A new two-parameter family of nonlinear conjugate gradient methods 【年份(必填)】2013 【全文链接或数据库名称(选填)】http://w ...2013-10-15 16:00 - hanxiaopeng2008 - 求助成功区
The linear nonconvex generalized gradient and Lagrange multipliers
1 个回复 - 637 次查看 【作者(必填)】Treiman, J.S 【文题(必填)】The linear nonconvex generalized gradient and Lagrange multipliers 【年份(必填)】 SIAM J. Optim. 5, 670-680 (1995) 【全文链接或数据库名称(选填)】http:// ...2013-5-16 21:16 - yang2009jing - 求助成功区
Matlab gradient 近似微分
0 个回复 - 1462 次查看 GRADIENT Approximate gradient. [FX,FY] = GRADIENT(F) returns the numerical gradient of the matrix F. FX corresponds to dF/dx, the differences in the x (column) direction. FY correspond ...2013-4-5 15:10 - xuning5176 - MATLAB等数学软件专版
Modied Yabe-Takano Nonlinear Conjugate Gradient Method
4 个回复 - 1217 次查看 【作者(必填)】 Fenghua Wen and Zhifeng Dai 【文题(必填)】 Modied Yabe-Takano Nonlinear Conjugate Gradient Method 【年份(必填)】2012 【全文链接或数据库名称(选填)】2012-12-18 08:47 - 金融坦然 - 文献求助专区
Child Education and the Family Income Gradient in China
1 个回复 - 1390 次查看 1 论文标题 Child Education and the Family Income Gradient in China 2 作者信息 Luo Chuliang, Paul Frijters, and Xin Meng 3 出处和链接(比如,NBER working paper No.11000) http://www.uq.edu.au/econ ...2012-10-23 07:36 - 夸克之一 - 论文版
Conditional Monte Carlo: Gradient Estimation and Optimization Applicantions
3 个回复 - 928 次查看 Conditional Monte Carlo: Gradient Estimation and Optimization Applications, Fu, M. C. and Hu, J.-Q. (1997), Kluwer, Boston.2012-9-10 08:37 - lehe - 悬赏大厅
gradient boosting求助
1 个回复 - 5291 次查看 之前ltx5151大神帮我解答了关于boosting的疑惑,现在在看gradient boosting的时候,又有一些问题不太明白。 对于gradient boosting的了解,先看了斯坦福的网上教程 http://v.163.com/movie/2008/1/B/O/M6SG ...2012-8-12 16:37 - dabap - R语言论坛
求英文文献What happened to the CBD-distance gradient?
1 个回复 - 1138 次查看 【题 名】:What happened to the CBD-distance gradient? Land values in a policentric city 【作 者】:E Heikkila, P Gordon, J I Kim, R B Peiser, H W Richardson 【期刊名称】:Environment and Planning ...2011-4-23 21:00 - clh6389 - 求助成功区