In neural network, how can I change the sigmoid activation function to a Gaussian one, How to modify the Matlab codes to achieve this?

Question

Jay Wong 2015-6-4

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/222537-in-neural-network-how-can-i-change-the-sigmoid-activation-function-to-a-gaussian-one-how-to-modif

评论： Jet Yu 2019-4-12

采纳的回答： Greg Heath

that is, change this function: a = tansig(n) = 2/(1+exp(-2*n))-1 to a = gauss(n) = exp(-(n.^2))

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Greg Heath 2015-6-6

3
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/222537-in-neural-network-how-can-i-change-the-sigmoid-activation-function-to-a-gaussian-one-how-to-modif#answer_181774

在 MATLAB Online 中打开

 net = fitnet;
 net.layers{1}.transferFcn = 'radbas';

Hope this helps.

Thank you for formally accepting my answer

Greg

3 个评论
显示 1更早的评论隐藏 1更早的评论

Jay Wong 2015-6-6

If I want to set this activation function at the hidden layer (only have one hidden layer), do I just need to change the codes to net.layers{2}.transferFcn = 'radbas'

Jet Yu 2019-4-12

在 MATLAB Online 中打开

looks type in

net.layers{1}.transferFcn = 'radbas';

would NOT work in R2018a version for bug below

Error using network/subsasgn>network_subsasgn (line 166)
Attempt to assign cell array as a double array.
Error in network/subsasgn (line 14)
net = network_subsasgn(net,subscripts,v,netname);

Even i change as to fix the data type

net.layers(1).transferFcn(1,:) = cellstr('radbas')

error still

Error using network/subsasgn>network_subsasgn (line 166)
Attempt to assign cell array as a double array.
Error in network/subsasgn (line 14)
net = network_subsasgn(net,subscripts,v,netname);

Any way to fix it?

Best

请先登录，再进行评论。

In neural network, how can I change the sigmoid activation function to a Gaussian one, How to modify the Matlab codes to achieve this?

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

采纳的回答

3 个评论
显示 1更早的评论隐藏 1更早的评论

更多回答（0 个）

另请参阅

类别

标签

产品

Community Treasure Hunt

In neural network, how can I change the sigmoid activation function to a Gaussian one, How to modify the Matlab codes to achieve this?

0 个评论 显示 -2更早的评论隐藏 -2更早的评论

采纳的回答

3 个评论 显示 1更早的评论隐藏 1更早的评论

更多回答（0 个）

另请参阅

类别

标签

产品

Community Treasure Hunt

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

3 个评论
显示 1更早的评论隐藏 1更早的评论