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2007 Nov 14
0
Help about nnet library
...2 i3->h1=w3 i4->h1=w4 So first we make this computation : sum=w0 + i1*w1 + i2*w2 + i3*w3 + i4*w4 (the transfert function) And for computing h1 we use the classic sigmoid function : h1=1/(1+exp(-sum)). And for calculating the output we have those weights : b->o=wo0 i1->o=wo1 i2->o=wo2 i3->o=wo3 i4->o=wo4 h1->o=wo5 h2->o=wo6 h3->o=wo7 h4->o=wo8 h5->o=wo9 And the ouput is computed as follows : o=wo0+wo1*i1+wo2*i2+wo3*i3+wo4*i4+wo5*h1+wo6*h2+wo7*h3+wo8*h4+wo9*h5. So I would like to know, where is our error. Is it the sigmoid function that we used ? The tran...
2007 Nov 14
0
Help about nnet library
...2 i3->h1=w3 i4->h1=w4 So first we make this computation : sum=w0 + i1*w1 + i2*w2 + i3*w3 + i4*w4 (the transfert function) And for computing h1 we use the classic sigmoid function : h1=1/(1+exp(-sum)). And for calculating the output we have those weights : b->o=wo0 i1->o=wo1 i2->o=wo2 i3->o=wo3 i4->o=wo4 h1->o=wo5 h2->o=wo6 h3->o=wo7 h4->o=wo8 h5->o=wo9 And the ouput is computed as follows : o=wo0+wo1*i1+wo2*i2+wo3*i3+wo4*i4+wo5*h1+wo6*h2+wo7*h3+wo8*h4+wo9*h5. So I would like to know, where is our error. Is it the sigmoid function that we used ? The tran...