求助：newff语句的使用问题
用newff建立BP网络的时候，如果用trainlm方法,即net=newff(,,{'tansig','logsig','purelin'},'trainlm');
是可以定义的，
可是如果把trainlm改为traingd，即
net=newff(,,{'tansig','logsig','purelin'},'traingd');
则会产生错误，如下所示
Warning: feval on script names will not work, or may work differently,
in a future version of MATLAB. To make your code insensitive to any change
and to suppress this warning message:
- Either change the script to a function.
- Or use eval instead of feval.
The script file in question is traingd.
> In network.subsasgn>setTrainFcn at 1459
In network.subsasgn at 405
In newff at 160
??? Attempt to execute SCRIPT traingd as a function.
Error in ==> network.subsasgn>setTrainFcn at 1459
net.trainParam = feval(trainFcn,'pdefaults');
Error in ==> network.subsasgn at 405
=setTrainFcn(net,trainFcn);
Error in ==> newff at 160
net.trainfcn = btf;
请问这是什么原因？ 原帖由 veronicahan 于 2007-3-28 13:47 发表
用newff建立BP网络的时候，如果用trainlm方法,即
net=newff(,,{'tansig','logsig','purelin'},'trainlm');
是可以定义的，
可是如果把trainlm改为traingd，即
net=newff(,,{'tansig','logsig','purelin'},' ...
我运行了一下，没有问题，请保证所用的 newff 函数是matlab默认的，有疑问请看帖子：“写给学习matlab的新手们” 我也运行了一下，没有问题 是不是你把函数给代用啦
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