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miga0321

金虫 (初入文坛)

[求助] 菜鸟求助。这个程序哪里出问题了?

求好人帮助,新人求教。在线等,不胜感激。

错误地方好像就是就是定义的x,y,z,l,m,n。错误类型如下:
--------------------Configuration: 12 - Win32 Debug--------------------
Compiling Fortran...
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90(22) : Error: Constants and expressions are invalid in read-only I/O lists.   [X]
read (fileid,*)x(i),y(i),z(i)
---------------^
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90(22) : Error: Constants and expressions are invalid in read-only I/O lists.   [Y]
read (fileid,*)x(i),y(i),z(i)
--------------------^
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90(22) : Error: Constants and expressions are invalid in read-only I/O lists.   [Z]
read (fileid,*)x(i),y(i),z(i)
-------------------------^
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90(23) : Error: This name has not been declared as an array.   [L]
l(i)=(2*x(i)-a-b)/(b-a)
^
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90(24) : Error: This name has not been declared as an array.   [M]
m(i)=(2*y(i)-c-d)/(d-c)
^
C:\Program Files\Microsoft Visual Studio\MyProjects\12\12.f90(25) : Error: This name has not been declared as an array.   [N]
n(i)=(2*z(i)-e-f)/(f-e)
^
Error executing df.exe.

12.exe - 6 error(s), 0 warning(s)



程序代码如下。
CODE:
program main
implicit none
integer,parameter :: fileid=10
integer,parameter :: num=8000
integer i,error
real a,b,c,d,e,f,x,y,z,l,m,n
a=-0.574213
b=53.0742
c=-0.574213
d=53.0742
e=-0.573119
f=52.9731

open(fileid,file="file.txt",status="old",iostat=error)
if(error/=0)then
write(*,*)"open file.txt fail."
stop
end if

do i=1,num
read (fileid,*)x(i),y(i),z(i)
l(i)=(2*x(i)-a-b)/(b-a)
m(i)=(2*y(i)-c-d)/(d-c)
n(i)=(2*z(i)-e-f)/(f-e)
end do

do i=1,num
write (*,"(F8.6)") l(i),m(i),n(i)
end do

stop
end program

[ Last edited by jjdg on 2013-2-28 at 00:21 ]
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weiwei43

至尊木虫 (正式写手)

【答案】应助回帖

★ ★ ★ ★ ★
感谢参与,应助指数 +1
jjdg: 金币+1, 感谢参与 2013-02-28 00:21:18
miga0321: 金币+4, ★★★很有帮助, 嗯,这个忘记了回来查看了。你第一个回复,就给你吧。 2013-04-16 09:18:30
程序中x,y,z,l,m,n是当做数组使用的,但是在说明时是实数,没有说明成数组。
2楼2013-02-26 09:53:15
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nono2009

超级版主 (文学泰斗)

No gains, no pains.

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【答案】应助回帖


感谢参与,应助指数 +1
jjdg: 金币+1, 辛苦了 2013-02-28 00:21:25
real a,b,c,d,e,f,x,y,z,l,m,n
改为
real a,b,c,d,e,f,x(num),y(num),z(num),l(num),m(num),n(num)
3楼2013-02-27 20:15:23
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