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[ÇóÖú] MATLAB BPÉñ¾­ÍøÂçÈçºÎ±£´æÃ¿´ÎµÄѵÁ·½á¹û ÒÑÓÐ2È˲ÎÓë

ÎÒÔÚ×öBPÉñ¾­ÍøÂ磬ѵÁ·´ÎÊý10000´Î£¬ÑµÁ·Ñ­»·ÈçÏ£¬ÎÒÏëÒª±£´æÃ¿´ÎµÄѵÁ·½á¹û£¬È»ºóËã³öÿ´ÎµÄÔ¤²âÖµ£¬ÎÒ¸ÃÔõôÐÞ¸ÄÕâ¸öÑ­»·£¬Ê®Íò»ð¼±£¬Íò·Ö¸Ðл£¡
for
    net.trainParam.epochs=10000;%ѵÁ·´ÎÊý
    net.trainParam.goal=0.01;%ÍøÂçÐÔÄÜÄ¿±ê£¬ÑµÁ·µÄÄ¿±êÎó²î
    net.trainParam.lr=0.05;%ѧϰËÙÂÊ
    net=train(net,Pxl',Txl);%ѵÁ·Éñ¾­ÍøÂ磬PxlΪÊäÈëÊý¾Ý£¬TxlΪÊä³öÊý¾Ý
    yxl=sim(net,Pxl');%¼ÆËãÔ¤²âÖµ£¬ÏëÒª10000´Î¼ÆËãÔ¤²âÖµµÄ½á¹û
end
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ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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ÒýÓûØÌû:
6Â¥: Originally posted by zhswee at 2014-11-14 18:45:38
°´Äã¸ø¸öÊý¾Ý£¬ÄãÊÇÖ»ÓÐÒ»¸öÄ£ÐÍ£¬7¸öÊäÈëÖ¸±ê¾ö¶¨Ò»¸öÊä³ö£¬¶ø×ܵÄÑù±¾¸öÊýÊÇ113¸ö¡£ÄãÕâ¸ö±ØÐëÒªforµÄѾ
...

ÎÒ¾ÍÊÇÏëÒª´ïµ½ÕâÑùµÄÄ¿µÄ£¬¾ÍÊÇÏëҪÿ´ÎѵÁ·µÄ½á¹û£¬²»ÖªµÀÔõô±àÕâ¸öÑ­»·£¬Íò·Ö¸Ðл
net1=newff(Pxl',Txl,[3],{'tansig'},'traingd');
net1.trainParam.epochs=1;%ѵÁ·´ÎÊý
net1.trainParam.goal=0.01;%ÍøÂçÐÔÄÜÄ¿±ê£¬ÑµÁ·µÄÄ¿±êÎó²î
net1.trainParam.lr=0.05;%ѧϰËÙÂÊ
net1=train(net1,Pxl',Txl);%ѵÁ·Éñ¾­ÍøÂç
yxl1=sim(net1,Pxl');

net2=newff(Pxl',Txl,[3],{'tansig'},'traingd');
net2.trainParam.epochs=2;%ѵÁ·´ÎÊý
net2.trainParam.goal=0.01;%ÍøÂçÐÔÄÜÄ¿±ê£¬ÑµÁ·µÄÄ¿±êÎó²î
net2.trainParam.lr=0.05;%ѧϰËÙÂÊ
net2=train(net2,Pxl',Txl);%ѵÁ·Éñ¾­ÍøÂç
yxl2=sim(net2,Pxl');

net3=newff(Pxl',Txl,[3],{'tansig'},'traingd');
net3.trainParam.epochs=3;%ѵÁ·´ÎÊý
net3.trainParam.goal=0.01;%ÍøÂçÐÔÄÜÄ¿±ê£¬ÑµÁ·µÄÄ¿±êÎó²î
net3.trainParam.lr=0.05;%ѧϰËÙÂÊ
net3=train(net3,Pxl',Txl);%ѵÁ·Éñ¾­ÍøÂç
yxl3=sim(net3,Pxl');

net4=newff(Pxl',Txl,[3],{'tansig'},'traingd');
net4.trainParam.epochs=4;%ѵÁ·´ÎÊý
net4.trainParam.goal=0.01;%ÍøÂçÐÔÄÜÄ¿±ê£¬ÑµÁ·µÄÄ¿±êÎó²î
net4.trainParam.lr=0.05;%ѧϰËÙÂÊ
net4=train(net4,Pxl',Txl);%ѵÁ·Éñ¾­ÍøÂç
yxl4=sim(net4,Pxl');
9Â¥2014-11-14 20:22:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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zhswee

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

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ΪʲôҪÓÃfor?ÄãÊÇÓжà×éÑù±¾ÐèҪѵÁ·?

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
2Â¥2014-11-14 17:54:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÀîÇÙÀîâý

½ð³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by zhswee at 2014-11-14 17:54:42
ΪʲôҪÓÃfor?ÄãÊÇÓжà×éÑù±¾ÐèҪѵÁ·?

Êǵģ¬ÎÒÒ»¹²ÓÐ113¸öÑù±¾ÐèҪѵÁ·PxlÊÇ113*7µÄ¾ØÕó£¬113¸ö»¯ºÏÎ7¸ö±äÁ¿£¬TxlÊÇ113¸ö¶¾ÐÔÊý¾Ý£¬ÎÒÏëҪÿ´ÎµÄѵÁ·½á¹û£¬ÎÒ¸ÃÔõôÐ޸İ¡£¬Íò·Ö¸Ðл

for i=1:113;
    net.trainParam.epochs=10000;%ѵÁ·´ÎÊý
    net.trainParam.goal=0.01;%ÍøÂçÐÔÄÜÄ¿±ê£¬ÑµÁ·µÄÄ¿±êÎó²î
    net.trainParam.lr=0.05;%ѧϰËÙÂÊ
    net=train(net,Pxl(i,',Txl(i));%ѵÁ·Éñ¾­ÍøÂç
    yxl=sim(net,Pxl');

end
3Â¥2014-11-14 18:02:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÀîÇÙÀîâý

½ð³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by ÀîÇÙÀîâý at 2014-11-14 18:02:17
Êǵģ¬ÎÒÒ»¹²ÓÐ113¸öÑù±¾ÐèҪѵÁ·PxlÊÇ113*7µÄ¾ØÕó£¬113¸ö»¯ºÏÎ7¸ö±äÁ¿£¬TxlÊÇ113¸ö¶¾ÐÔÊý¾Ý£¬ÎÒÏëҪÿ´ÎµÄѵÁ·½á¹û£¬ÎÒ¸ÃÔõôÐ޸İ¡£¬Íò·Ö¸Ðл

for i=1:113;
    net.trainParam.epochs=10000;%ѵÁ·´ÎÊý
...

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4Â¥2014-11-14 18:03:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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