multiple inputs with nntool

K
K
2011 6 1
3 个回答
1 次查看（30 天）

1 个投票

Hi, I'm a new user of Matlab and trying to create a neural network with the nntool as it is much easier with this interface. While I can load many inputs and targets, when I want to create the network I am having a problem loading multiple inputs and targets at the same time (there is the option of loading only one), for ex. with back-propagation. I would really appreciate any help thanks in advance

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回答（3 个）

mohammed
mohammed 2011-6-2

1 个投票

The following code import 4 columns as inputs, and 1 column as output
may you can modify as your own dataset
inputs = xlsread('D:\MyData\data.xls', 1, 'A2:D115');
targets = xlsread('D:\MyData\data.xls', 1, 'L2:L115');
inputs=inputs';
targets=targets';
mohammed
mohammed 2011-6-1

0 个投票

There is may way to load your data before using nntool
the following URL shows how to load data from text file
http://www.mathworks.com/help/techdoc/import_export/f5-35378.html
after that you can use nntool

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K
K 2011-6-1
Hi, thanks for the quick response. Though, I have already imported my data from an excel file, which are different columns of the xis and yis. I cannot have them as parallel inputs and outputs of the Network I "create" with the nntool. Any ideas?
Thakns!

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mohammed
mohammed 2011-6-1

0 个投票

can explain more regrading your dataset?

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K
K 2011-6-2
Yes! Well, the dataset is imported from an excel file with 4 columns: x1,x2...x4 (which I want to be 4 different inputs at the same time of the neural network) and 3 columns: y1, y2, y3 (which I want to be outputs of the network). However, while I create the network with the nntool, with back-propagation, there is only otion of one input and target data at a time. This is my problem

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K
2011-6-1

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