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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
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matlab-Transmission
用matlab编写一维光子晶体的透射,是有关矩阵的,能推广到多层(The transmission of one-dimensional photonic crystal using matlab, is about the matrix, can be extended to multi-storey)
- 2021-04-12 23:38:57下载
- 积分:1
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FarsiGuidetoANNToolboxMLPwithProg
this file is about work to matlab
- 2015-01-30 18:10:20下载
- 积分:1
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1822
ebook for learning c++
- 2013-12-24 05:02:21下载
- 积分:1
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VoIP_IPP_C2_2
VOIP业务仿真建模,使用间歇泊松过程模型,能够图形显示业务的突发特性。(VOIP business modeling and simulation, using the batch Poisson process model, which can burst characteristics of graphics operations.)
- 2010-06-09 13:29:47下载
- 积分:1
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workuse
这是基于matlab的信号系统实验程序,可以完成信号系统课程的相关实验,提高信号系统课程的认识和理解。(This is based on the signaling system matlab experimental procedure, you can complete courses related experiments signaling system, improve the signal system course knowledge and understanding.)
- 2013-07-09 21:15:03下载
- 积分:1
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EKF
说明: 扩展卡尔曼滤波例程,data为数据,EKF是处理数据的函数(Extended Kalman filter routine, data for the data, EKF is a function of processing data)
- 2011-03-02 16:52:43下载
- 积分:1
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LDPC
comparison between uncoded and LDPCencode BPSK signal transmitted in AWGN channel
- 2010-11-09 05:22:16下载
- 积分:1
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ID3.m
说明: 这个Matlab环境下的模式分类算法集提供了二维两类分类问题的很多可视化程序(the Matlab environment under the classification algorithm provides a two-dimensional set two classifications of many visual programming)
- 2006-03-19 11:50:11下载
- 积分:1
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fangtiu_v33
现代信号处理中谱估计在matlab中的使用,主要是基于mtlab的程序,实现了图像的灰度化并进一步用于视频监视控。( Modern signal processing used in the spectral estimation in matlab, Mainly based on the mtlab procedures, Achieve a grayscale image and further control for video surveillance.)
- 2017-01-06 10:31:36下载
- 积分:1