-
development-risk-prediction
本文基于BP神经网络应用于预测的原理,提出预测步骤及预测可行性,探讨建立基于BP神经网络的预测模型的关键技术,包括样本的选取与预处理、输入输出变量的选取、隐层节点数的确定、初始权值和阈值的选取、激活函数、训练算法与参数的选取,最后建立合理的网络模型;结合住宅市场的实际情况,建立两类BP 神经网络预测模型:基于时间序列的趋势预测模型以及基于影响因素的回归预测模型,即分别采用神经网络趋势预测和回归预测的思路,把住宅市场的供给、需求与房价的历年数据以及其影响因素的数据分别作为学习样本,建立预测模型,进行预测。(Real estate development risk prediction
)
- 2011-04-22 10:40:30下载
- 积分:1
-
matlab-image-segmation
just this is for k-means algorithm coedes in matlab,it for beginners
- 2013-01-09 15:07:23下载
- 积分:1
-
GM1nnnnnnn
灰色理论多变量预测源代码,费很大劲找到的,预测挺不错的(Grey theory multivariable predictive source code, find great difficulty predicting very good)
- 2013-11-29 13:21:41下载
- 积分:1
-
dynprog.zip
dynamic programming 源代码(dynamic programming source code)
- 2007-10-16 05:31:22下载
- 积分:1
-
runstringNew-65000
This is file for assembler code
- 2015-03-26 21:30:27下载
- 积分:1
-
DDWP_chopper_130522
说明: 仿真模型包括:可调节电网,交流断路器,LCL滤波器,网侧变换器,Chopper,直流电容,机侧变换器,风力发电机(包括机械部分的模型)。控制及信号处理部分包括:电机参数测量,机侧变换器控制,网侧变换器控制,LVRT控制,风速模拟等部分。(Simulation models include: adjustable power grid, ac circuit breaker, LCL filter, grid-side converter, Chopper, dc capacitance, machine-side converter, wind turbine (including mechanical part of the model). The control and signal processing part includes: motor parameter measurement, machine side converter control, network side converter control, LVRT control, wind speed simulation and other parts.)
- 2021-04-12 16:38:58下载
- 积分:1
-
matlab pak msk gmsk的性能比较
pak msk gmsk的性能比较.功率谱以及误码率的比较,可以出图。(psk msk gmsk)
- 2020-06-27 04:40:01下载
- 积分:1
-
Platform_Public
说明: 多个系统数据同步公共部分函数源代码,太麻烦了,每次说明都要这么多字(data synchronization system over some public function source code, too cumbersome, each note must so many characters)
- 2006-03-15 13:42:36下载
- 积分:1
-
HilbertAvgPitch
HILBERTAVERAGE PITCH CALCULATION
- 2013-12-10 23:11:13下载
- 积分:1
-
MLRE
MLRE算法,选取最优K近邻,是识别率达到更高(MLRE algorithm select the best K-nearest neighbor, is to achieve a higher recognition rate)
- 2012-05-08 20:09:23下载
- 积分:1