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nono2009
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ÓàÔó³É(½ð±Ò+1,VIP+0):ллӦÖú£¡ 11-21 22:46
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2Â¥2009-11-21 16:34:07
lvhuidan
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jjdg(½ð±Ò+0,VIP+0):»¶ÓÌÖÂÛ£¡Çë¼ÌÐøÖ§³Ö³ÌÐòÈí¼þ°æ£¡ 11-23 17:11
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ÕâÊÇÊÔ¹ýµÄÒ»¶Î³ÌÐò£º DIMENSION C(4,5), X(4) REAL *8 C READ(*,*) M WRITE(*,10) M N=M+1 DO 2 I=1,M 2 READ(*,*) (C(I,J), J=1,N) WRITE(*,11) DO 3 I=1,M 3 WRITE(*,13) (C(I,J),J=1,N) CALL SIMUL(M,N,C,X) WRITE(*,12) DO 1 J=1,M 1 WRITE(*,14) X(J) 10 FORMAT(1X,'1','M=',I5) 11 FORMAT(//,1X,'COEFFICIENT MATRIX=',/) 12 FORMAT(//,1X,'SOLUTION VECTOR=',/) 13 FORMAT(8F10.4) 14 FORMAT(F15.4) STOP END SUBROUTINE SIMUL(M,N,C,X) IMPLICIT REAL*8 (A-H,O-Z) REAL*4X DIMENSION C(4,5),X(4) DO 1 K=1,M PIVOT=C(K,K) IF(DABS(PIVOT).LE.0.001) GOTO 2 DO 3 J=K,N 3 C(K,J)=C(K,J)/PIVOT DO 4 I=1,M IF(I.EQ.K) GOTO 4 PIVI=C(I,K) DO 5 J=K,N 5 C(I,J)=C(I,J)-PIVI*C(K,J) 4 CONTINUE 1 CONTINUE DO 6 J=1,M 6 X(J)=C(J,N) RETURN 2 WRITE(*,100) K 100 FORMAT(1X,'PIVOT ELEMENT',I5,1X,'IS CLOSE TO 0') RETURN END Êý¾Ý 1M= 4 .47 0 -.012 -1 0 0 .92 0 -1.7857 5 .49 0 -.73 0 5 0 .08 -.01 2.5 990 ´Ó¡°Êý¾Ý..........990¡± ÕâÒ»¶ÎÔÚ³ÌÐòÀï²»ÖªÔõôÊäÈ룬¿ÉÄܾÍÊÇÕâÀïµÄÎÊÌ⣬ÒòΪ³ÌÐòÀïûÓиø³öMµÄÖµ£¬²»ÖªÎÒÏëµÄ¶Ô²»¶Ô£¿ÇëÂ¥ÉϵÄÖ¸µã |
3Â¥2009-11-22 10:40:23
lvhuidan
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4Â¥2009-11-24 16:31:52
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nono2009(½ð±Ò+3,VIP+0):ÎÞÓï¡£ 11-24 19:40
nono2009(½ð±Ò+0,VIP+0):Perfect. 11-24 20:51
nono2009(½ð±Ò+3,VIP+0):ÎÞÓï¡£ 11-24 19:40
nono2009(½ð±Ò+0,VIP+0):Perfect. 11-24 20:51
|
Ê×ÏÈÓиö´íÎó REAL*4X XÇ°ÃæÓ¦¸ÃÓиö¿Õ¸ñ READ(*,*) (C(I,J), J=1,N)ÊÇÐèÒª´Ó¼üÅÌÊäÈëÊý¾Ý Äã¿ÉÒÔ°Ñ .47µ½990ÕâÒ»¶Î¸´ÖÆÏÂÀ´ ÔÚ³ÌÐòÔËÐнçÃæµÄ×îÉÏ·½À¶É«¿éÓÒ»÷ Ñ¡Ôñ ±à¼--Õ³Ìù »òÕß´ÓÎļþ¶ÁÈë open(41,file='data.txt') READ(41,*) (C(I,J), J=1,N) ÁíÍâ ÔÚÐèÒªµÄµØ·½ÊäÈëÌáʾÓï ²»È»ÔÚ³ÌÐòÔËÐйý³ÌÖÐÄãÐèÒª×öʲô×Ô¼º¶¼²»ÖªµÀ ÁíÍâ ÔÚÄãÕ³ÌùÉÏÀ´µÄ³ÌÐòÖÐûÓÐprogramÕâÒ»ÐÐ ²»ÖªµÀÄãÊDz»ÖªµÀ»¹ÊÇûÓÐÕ³Ìù¹ýÀ´ ¸½¼þÀïÃæÊdzÌÐò¡¢Êý¾ÝÎļþºÍÔËÐнá¹û ²»ÖªµÀÊDz»ÊÇÄãÏëÒªµÄ½á¹û |

5Â¥2009-11-24 18:13:10














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