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brqhl_ing

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brqhl_ing

Òø³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by brqhl_ing at 2010-12-10 16:55:36:
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2Â¥2010-12-10 16:57:59
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pjiang

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3Â¥2010-12-11 00:43:55
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brqhl_ing

Òø³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by pjiang at 2010-12-11 00:43:55:
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лл°¡  i=1.15
4Â¥2010-12-11 12:43:36
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snail594

½ð³æ (СÓÐÃûÆø)


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for ǶÌ× if elseÓï¾ä£¬Ï¸½Ú×Ô¼º¿´ÁË
5Â¥2010-12-11 13:46:24
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zoujin129

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brqhl_ing(½ð±Ò+1):лл²ÎÓë
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6Â¥2010-12-11 14:22:57
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ºÃÈËÒ»Éúƽ°²

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7Â¥2010-12-11 14:45:57
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brqhl_ing

Òø³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by snail594 at 2010-12-11 13:46:24:
for ǶÌ× if elseÓï¾ä£¬Ï¸½Ú×Ô¼º¿´ÁË

¿´ÎÒÕâ¸ö ÎÒдµÄÍⲿº¯Êý ¿ÉÓÐÎÊÌ⣺
        external f
        dimension  y(3),d(3),z(3,5000000),b(4,3),e(3),s(3),g(3)

      open(26,file='variable.dat')
         
        h=0.001d0
      m=5000000
        n=3
        eps=0.00001d0
            

        y(1)=1.0d0
        y(2)=2.0d0   
        y(3)=3.0d0

       

       

       call adams(a,h,m,y,n,z,f,d,eps,b,e,s,g)
        do 20 i=1,m
           t=(i-1)*h
      if(t.ge.1d2) write(26,'(4f15.6)')t,z(1,i),z(3,i)
20      continue
  
      close(26)
       
         end


        subroutine f(t,y,n,d)
c     ----------------------------------------------------------------------
       dimension  y(n),d(n)
       real*8 mm

c      if (abs(y(1)).gt.2.9d0)then
  mm=0.366d0
else        
mm=0.061d0
  endif
      d(1)=(1.15d0-mm*y(1)-sin(y(2))-y(3))/2.6d0
      d(2)=y(1)
      d(3)=(y(1)-y(3))/0.707d0
        return
        end
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8Â¥2010-12-11 15:36:48
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sunye

ľ³æ (ÖøÃûдÊÖ)


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brqhl_ing(½ð±Ò+1):лл²ÎÓë
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9Â¥2010-12-11 18:17:20
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heyansheng12345

Òø³æ (СÓÐÃûÆø)


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11Â¥2010-12-14 13:38:52
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brqhl_ing

Òø³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by heyansheng12345 at 2010-12-14 13:38:52:
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12Â¥2010-12-14 21:16:03
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luoxitc

гæ (³õÈëÎÄ̳)


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brqhl_ing(½ð±Ò+1):лл²ÎÓë
ÆäʵÈç¹ûÖ»ÊǾßÌåµÄÕâ¸öÎÊÌâµÄ»° mapleʲôµÄ¸ü·½±ã
13Â¥2010-12-28 19:50:17
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0710811132

ÈÙÓþ°æÖ÷ (ÎÄѧ̩¶·)


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brqhl_ing(½ð±Ò+1):лл²ÎÓë
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14Â¥2011-01-10 14:22:48
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2010-12-11 19:16   »Ø¸´  
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2012-11-07 13:31   »Ø¸´  
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