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[½»Á÷] ¼±¼±¼±£¬MATLABÉñ¾­ÍøÂç¹éÒ»»¯ÎÊÌ⣬Çó¸÷λ´óÉñ½øÀ´³ò³ò£¬Ð»Ð»À²

1¡¢Õâ¸öÊÇÎÒµÄѵÁ·ÍøÂç¡£
>> clear all;
p=[0 1 0.5;0 2 1;0 3 1.5;0.4 1 1;0.4 2 1.5;0.4 3 0.5;0.8 1 1.5]';
[p,PS]=mapminmax(p,0,1)
t=[0.317;0.511;0.751;0.378;0.658;0.311;0.64]';
[t,PS]=mapminmax(t,0,1)
net3d=newff([0 1;0 1;0 1],[8,1],{'tansig' 'logsig'},'traingd');
net3d.trainParam.epochs=70000;
net3d.trainParam.goal=0.001;
LP.lr=0.1;
net3d=train(net3d,p,t);
test=p;
y=sim(net3d,test);
temp=(y-t);
b=max(abs(temp( : )));
Y1_again=mapminmax('reverse',y,PS)
t_again=mapminmax('reverse',t,PS)
2¡¢Õâ¸öÊÇѵÁ·ÍêµÄ½á¹û¡£
Y1_again =

1 ÖÁ 5 ÁÐ

0.324662613198826 0.504035674864077 0.730938844377799 0.386099790046901 0.676597523737946

6 ÖÁ 7 ÁÐ

0.330010329656243 0.631476509214703

t_again =

1 ÖÁ 5 ÁÐ

0.317 0.511 0.751 0.378 0.658

6 ÖÁ 7 ÁÐ

0.311 0.64
£¨×ÜÌåÀ´Ëµ´ïµ½ÁËѵÁ·Ð§¹û£¬È»ºó¿ªÊ¼Ô¤²â£¬ÎÒ´øÈëµÄ¾ÍÊÇԭʼµÄѵÁ·Êý¾ÝÏȽøÐмì²â£©
3¡¢Õâ¸öÊÇÎÒµÄÔ¤²âÊý¾ÝµÄ³ÌÐò
p=[0 1 0.5;0 2 1;0 3 1.5;0.4 1 1;0.4 2 1.5;0.4 3 0.5;0.8 1 1.5]';
[p,PS]=mapminmax(p,0,1)
test=p;
y=sim(net3d,test)
Y2_again=mapminmax('reverse',y,PS)
4¡¢Õâ¸öÊÇÔ¤²âÍêµÄ½á¹û¡£
y =

1 ÖÁ 5 ÁÐ

0.0310513936336945 0.438717442872902 0.954406464494999 0.170681341015685 0.830903463040787

6 ÖÁ 7 ÁÐ

0.0432052946732806 0.72835570276069

Y2_again =

1 ÖÁ 5 ÁÐ

0.0248411149069556 0.350973954298322 0.763525171595999 0.136545072812548 0.66472277043263
1.06210278726739 1.8774348857458 2.90881292899 1.34136268203137 2.66180692608157
0.531051393633694 0.938717442872902 1.454406464495 0.670681341015685 1.33090346304079

6 ÖÁ 7 ÁÐ

0.0345642357386245 0.582684562208552
1.08641058934656 2.45671140552138
0.543205294673281 1.22835570276069
5¡¢·ÖÎö£¬Ô¤²âÍêµÄÊý¾ÝÍêÈ«²»¶Ô£¬ÑµÁ·µÄʱºòÒ²½øÐÐÁ˹éÒ»»¯Óë·´¹éÒ»»¯£¬³öÏֵĽá¹ûÊÇÕýÈ·µÄ£¬µ«ÊÇÔ¤²âµÄʱºòÔÙ½øÐйéÒ»»¯Óë·´¹éÒ»»¯½á¹ûÈ´ºÜÀëÆ×£¬¶øÇÒ³öÏÖÁËÈýÐÐÊý¾Ý£¬¿´²»¶®ÊÇʲôÒâ˼£¬Çó´óÉñ½â¾ö£¬Ð»Ð»À²¡£

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[ Last edited by jjdg on 2017-7-31 at 12:35 ]
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