回复 2楼 lowxiong
10 NK=12:NI=1:NJ=5:NL=1:N=.85:A=.6:T=0:EE=.001:T0=100000!:M=4
20 DIM X(NI,NK+M),D(NL,NK+M),WJ(NI,NJ),WL(NJ,NL),QJ(NJ),QL(NL)
22 DIM YJ(NJ),YL(NL,NK+M),EL(NL),EJ(NJ),UL(NJ,NL),VL(NJ,NL),UJ(NI,NJ),VJ(NI,NJ)
24 DIM SL(NL),TL(NL),SJ(NJ),TJ(NJ)
30 FOR I=1 TO NI
40 MA=-100000!:MI=100000!
50 FOR K=1 TO NK+M
60 READ X(I,K)
70 IF X(I,K)>MA THEN MA=X(I,K)
80 IF X(I,K)<MI THEN MI=X(I,K)
90 NEXT K
100 FOR K=1 TO NK+M
110 X(I,K)=(X(I,K)-MI)/(MA-MI)
120 NEXT K
130 NEXT I
140 FOR L=1 TO NL
150 MA=-100000!:MI=100000!
160 FOR K=1 TO NK+M
170 READ D(L,K):D=D(L,K)
180 IF D>MA THEN MA=D
190 IF D<MI THEN MI=D
200 NEXT K
210 FOR K=1 TO NK+M
220 D(L,K)=(D(L,K)-MI)/(MA-MI)
230 NEXT K
240 NEXT L
250 FOR J=1 TO NJ
260 FOR I=1 TO NI
270 WJ(I,J)=RND(1)-.5
280 NEXT I
290 QJ(J)=RND(1)-.5
300 NEXT J
310 FOR L=1 TO NL
320 FOR J=1 TO NJ
330 WL(J,L)=RND(1)-.5
340 NEXT J
350 QL(L)=RND(1)-.5
360 NEXT L
370 FOR K=1 TO NK
380 FOR J=1 TO NJ
390 XJ=0
400 FOR I=1 TO NI
410 XJ=XJ+WJ(I,J)*X(I,K)
420 NEXT I
430 XJ=XJ+QJ(J)
440 YJ(J)=1/(1+EXP(-XJ))
450 NEXT J
460 FOR L=1 TO NL
470 XL=0
480 FOR J=1 TO NJ
490 XL=XL+WL(J,L)*YJ(J)
500 NEXT J
510 XL=XL+QL(L)
520 YL(L,K)=1/(1+EXP(-XL))
530 NEXT L
540 FOR L=1 TO NL
550 EL(L)=YL(L,K)*(1-YL(L,K))*(D(L,K)-YL(L,K))
570 NEXT L
590 FOR J=1 TO NJ
600 X=0
610 FOR L=1 TO NL
620 X=X+EL(L)*WL(J,L)
630 NEXT L
640 EJ(J)=YJ(J)*(1-YJ(J))*X
650 NEXT J
660 FOR L=1 TO NL
670 FOR J=1 TO NJ
680 UL(J,L)=WL(J,L)
690 WL(J,L)=WL(J,L)+N*EL(L)*YJ(J)+A*(WL(J,L)-VL(J,L))
700 VL(J,L)=UL(J,L)
710 NEXT J
720 SL(L)=QL(L)
730 QL(L)=QL(L)+N*EL(L)+A*(QL(L)-TL(L))
740 TL(L)=SL(L)
750 NEXT L
760 FOR J=1 TO NJ
770 FOR I=1 TO NI
780 UJ(I,J)=WJ(I,J)
790 WJ(I,J)=WJ(I,J)+N*EJ(J)*X(I,K)+A*(WJ(I,J)-VJ(I,J))
800 VJ(I,J)=UJ(I,J)
810 NEXT I
820 SJ(J)=QJ(J)
830 QJ(J)=QJ(J)+N*EJ(J)+A*(QJ(J)-TJ(J))
840 TJ(J)=SJ(J)
850 NEXT J
860 T=T+1
880 NEXT K
910 E=0
920 FOR K=1 TO NK
925 FOR L=1 TO NL
930 E=E+(YL(L,K)-D(L,K))^2
935 NEXT L
940 NEXT K
945 E=E/2
948 IF T>T0 THEN 955
950 IF E>EE THEN 370
955 PRINT "T=";T
960 PRINT "E=";E
965 FOR K=1 TO NK
970 PRINT USING "#####";K+0;
972 FOR L=1 TO NL
973 D0=D(L,K)*(MA-MI)+MI
974 PRINT USING "########.##";D(L,K)*(MA-MI)+MI;
975 REM PRINT USING "######.##";D(L,K);
976 NEXT L
978 FOR L=1 TO NL
979 Y0=YL(L,K)*(MA-MI)+MI
980 REM PRINT USING "######.######";YL(L,K);
981 PRINT USING "#########.######";YL(L,K)*(MA-MI)+MI;
982 NEXT L
983 PRINT USING "######.######";(Y0-D0)/D0*100;
984 PRINT
985 REM INPUT ZZ
986 NEXT K
1010 FOR K=NK+1 TO NK+M
1020 FOR J=1 TO NJ
1030 XJ=0
1040 FOR I=1 TO NI
1050 XJ=XJ+WJ(I,J)*X(I,K)
1060 NEXT I
1070 XJ=XJ+QJ(J)
1080 YJ(J)=1/(1+EXP(-XJ))
1090 NEXT J
1100 FOR L=1 TO NL
1110 XL=0
1120 FOR J=1 TO NJ
1130 XL=XL+WL(J,L)*YJ(J)
1140 NEXT J
1150 XL=XL+QL(L)
1160 YL(L,K)=1/(1+EXP(-XL))
1170 NEXT L
1180 NEXT K
1200 PRINT
1210 FOR K=NK+1 TO NK+M
1220 PRINT USING "#####";K+0;
1230 FOR L=1 TO NL
1235 D0=D(L,K)*(MA-MI)+MI
1240 PRINT USING "########.##";D(L,K)*(MA-MI)+MI;
1245 REM PRINT USING "######.##";D(L,K);
1250 NEXT L
1260 FOR L=1 TO NL
1265 Y0=YL(L,K)*(MA-MI)+MI
1270 REM PRINT USING "######.######";YL(L,K);
1275 PRINT USING "#########.######";YL(L,K)*(MA-MI)+MI;
1280 NEXT L
1285 PRINT USING "######.######";(Y0-D0)/D0*100;
1290 PRINT
1300 NEXT K
1310 END
5211 DATA 2280.96, 2283.21, 2277.93, 2278.16, 2280.41, 2280.59
5212 DATA 2281.93, 2279.68, 2283.00, 2280.97, 2283.09, 2281.54
5213 DATA 2280.99, 2282.00, 2281.59, 2278.21
5221 DATA 1309.75, 1311.05, 1307.88, 1308.04, 1309.44, 1309.39
5222 DATA 1310.30, 1309.05, 1310.93, 1309.94, 1311.26, 1310.09
5223 DATA 1309.74, 1310.44, 1310.12, 1308.02