2018数学建模国赛A题参考文献

2018数学建模国赛A题参考文献

%一个简单的BP网络拟合问题
%训练样本的生成
P=-1:0.1:1;
T = [-.9602 -.5770 -.0729  .3771  .6405  .6600  .4609 ...
      .1336 -.2013 -.4344 -.5000 -.3930 -.1647  .0988 ...
      .3072  .3960  .3449  .1816 -.0312 -.2189 -.3201];
chois=rand（size（T））;
T=T+chois;

PR=minmax（P）;
%创建网络
net=newff（PR[10 1]{‘tansig‘‘purelin‘}‘traingd‘）;
%设置训练参数
net.trainParam.epochs=3000;
net.trainParam.goal=0.001;
%训练网络
net=train（netPT）;
%仿真
y=sim（netP）;

%作出拟合图形
figure
plot（PT‘o‘ P y‘r*:‘）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         527  2018-09-13 23:20  bp神经网络拟合程序.m
     文件        9279  2012-07-20 23:11  ELM.m
     目录           0  2014-08-01 00:19  feature-points-by-GA-master\
     目录           0  2014-08-01 00:19  feature-points-by-GA-master\Debug\
     文件      116736  2014-08-01 00:19  feature-points-by-GA-master\Debug\GA polygen feature points.exe
     文件     1076420  2014-08-01 00:19  feature-points-by-GA-master\Debug\GA polygen feature points.ilk
     文件      953344  2014-08-01 00:19  feature-points-by-GA-master\Debug\GA polygen feature points.pdb
     目录           0  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\
     文件     7360512  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points.sdf
     文件         922  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points.sln
     文件       13824  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points.suo
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\291.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442-neg_circle.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442-neg_dot.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442-neg_empty.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442-pos_circle.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442-pos_dot.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442-pos_empty.bmp
     文件       41080  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\442.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\binary_image.bmp
     文件       41078  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\bound_full_data.bmp
     目录           0  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\
     文件         826  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\cl.command.1.tlog
     文件        6622  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\CL.read.1.tlog
     文件         590  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\CL.write.1.tlog
     文件      311986  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\functions.obj
     文件         397  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\GA polygen feature points.exe.embed.manifest
     文件         472  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\GA polygen feature points.exe.embed.manifest.res
     文件         371  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\GA polygen feature points.exe.intermediate.manifest
     文件          79  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\GA polygen feature points.lastbuildstate
     文件        3585  2014-08-01 00:19  feature-points-by-GA-master\GA polygen feature points\Debug\GA polygen feature points.log
............此处省略68个文件信息