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姚海峰456

银虫 (初入文坛)

[求助] fortran 怎么读入文件中的数据

56
   1   1
    61.001149080613175    -0.000000000000014    -0.000000000000000
    -0.000000000000000    64.495177634162630     0.000000000000001
    -0.000000000000000     0.000000000000028    10.948330193089291
   1   2
    -7.106904028710336    -0.562485096405496     0.000000000000000
     0.562127061658834     1.452838053359047     0.000000000000000
    -0.000000000000000     0.000000000000001     0.555622125642789
   1   3
    -1.445969194636234    -0.000000000000000    -0.000000000000000
    -0.000000000000000     0.108134686512645     0.000000000000000
    -0.000000000000000     0.000000000000000     0.028903817434806
   1   4
    -7.106904028710336     0.562485096405496    -0.000000000000000
    -0.562127061658834     1.452838053359047     0.000000000000000
     0.000000000000000     0.000000000000001     0.555622125642789
   2   1
    -1.693885854785461    -0.000000000000000    -0.000000000000000
     0.000000000000000     0.241741435628154    -0.000000000000000
    -0.000000000000000     0.000000000000000    -0.208563408841332
   2   2   
0.767523079773841     0.215339247760293     0.000000000000000
     0.243743197032047    -0.535278340052949     0.000000000000000
    -0.000000000000000    -0.000000000000000     0.361648979605292
   2   3
     1.125419496318242    -0.000000000000000    -0.000000000000000
    -0.000000000000000     0.010185728203563    -0.000000000000000
    -0.000000000000000     0.000000000000000    -0.098857937488331
   2   4
     0.767523079773841    -0.215339247760293    -0.000000000000000
    -0.243743197032047    -0.535278340052949     0.000000000000000
     0.000000000000000    -0.000000000000000     0.361648979605292
   3   1.............
数据排列一直到4  4,用fortran怎么把上面的数据读进去,如果数据多了,都按照这样的规律排列的话又会怎样读取,望大神指点!Sample Text
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baobiao007

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中国特色

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
姚海峰456: 金币+15, ★★★很有帮助, 谢谢baobiao007 ,深受启发!!! 2012-10-22 21:15:39
读前三组的例子如下

program main
implicit none
        integer,parameter :: m=3,n=3
        integer :: line,d1(m),d2(m),i,j,k
        real,dimension(m,n,3) :: a
        open(10,file="data2.txt",status='old')
        read(10,'(I2)') line
        do k=1,3
                read(10,'(2I4)') d1(k),d2(k)
                read(10,'(3F22.15)') ((a(i,j,k),j=1,n),i=1,m)
        end do
        close(10)
       
        write(*,*) line
        do k=1,3
                write(*,'(2I4)') d1(k),d2(k)
                write(*,*) '-------------'
                write(*,'(3F22.15)') ((a(i,j,k),j=1,n),i=1,m)
        end do

end program main
我同意叔本华的观点,人们投身艺术和科学领域的强烈愿望之一就是逃离痛苦、残酷和枯燥无味的现实生活,逃离自己飘忽不定的七情六欲的桎梏。--爱因斯坦
2楼2012-10-22 17:44:48
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