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| 问题描述:这是关于非线性混合离散变量优化算法程序其中一段复合型重构子函数,其中想去掉open建立的文件,换做其他形式,只要不影响运算就好 [Fortran] syntaxhighlighter_viewsource syntaxhighlighter_copycode 	subroutine comple
	integer cycle,en,p,eq,cst,fun,sch,qun
	character*1 iyn
	character*3 chr
	CHARACTER*8 NAME
	real x0(20),ix0(20),xl(20),ixl(20),xu(20),ixu(20),xb(20),
     1  ixb(20),xt(20),ixt(20),dx(20),idx(20),g(500),iv(20,41),y(41),
     2  xv(500,20)
	common /c0/i1,i2,i3,i4,i5,i6/c1/n,m,en,p,eq,nv/c2/mi,cycle,cst,
     1  fun,sch,qun/c3/g/c4/x0,ix0/c5/xb,ixb/c6/xt,ixt/c7/xl,ixl,xu,ixu            
     2  /c8/dx,idx/c9/iv,y/c11/n1/c12/f1,f2,pf0,pf1/c10/xv
    	common /csub/sub/ci7/i7/cff/ff(11,2),kk,knt/c15/fo(11),df(11,2),
     1  dfdx(11,4),cf(11,4)
	
	WRITE(*,'(1x,A)')'Verticies Storage File Name=****.*** NSCH=***'                                   第二个文件处
	READ(*,'(28X,A8,6X,I3)')NAME,NSCH
919	write(*,'(1x,a,\)')'Input Verticies?(y/n)'
	READ(*,'(A)')IYN
	IF(IYN.EQ.'y'.or.IYN.EQ.'Y') then
	goto 913                                                                                 顺便问下,这里直接转到913标号处,那下面do 300 i=1,n 是不是就没有操作 ??????
	elseif(iyn.ne.'n'.and.iyn.ne.'N') then                                           
	goto 919
	endif
	do 300 i=1,n
300	iv(i,1)=ix0(i)
	y(1)=pf0
430	continue
	do 302 k=1,n
	do 304 i=1,n
	if (i.eq.k) go to 306
	ii=k+1
	iv(i,ii)=ix0(i)
	ii=ii+n
	iv(i,ii)=ix0(i)
	go to 308
306	ii=k+1
	iv(i,ii)=ixl(i)
	ii=ii+n
	iv(i,ii)=ixu(i)
308	continue
304	continue
302	continue
	goto 440
913	OPEN(2,FILE=NAME,ACCESS='DIRECT',FORM='BINARY',RECL=160)
	DO 921 I=1,NV
	READ(2,REC=I)(IV(J,I),J=1,N)
921	CONTINUE
	nv1=nv+1
	read(2,rec=nv1)sch,fun,cst,cycle
	CLOSE(2)
	DO 923 I=1,N
923	IX0(I)=IV(I,1)
	CALL ROUND(X0,IX0)
	PF0=EF(X0)
	Y(1)=PF0
	write(*,'(1x,2hx0,6f13.6)')(x0(i),i=1,n)
	write(*,'(1x,5hf(x0),3x,f13.6)')pf0
	write(*,'(1x,4hsch=,i4,3x,4hfun=,i5,3x,4hcst=,i5,3x,6hcycle=,i2)
     1  ')sch,fun,cst,cycle
440	continue
	do 310 i=2,nv
	do 312 j=1,n
312	ixt(j)=iv(j,i)
	call round(xt,ixt)
310	y(i)=ef(xt)
450	call compar
	if (i6.ne.1) go to 350
	write(*,1000) (y(i),i=1,nV)
1000	format(1x,2hf=,/,5f15.7)
	do 320 i=1,nv
	do 315 j=1,n
315	ixt(j)=iv(j,i)
	call round(xt,ixt)
	write(*,1010) i,(xt(ii),ii=1,n)
1010	format(1x,2hx=,i5,/,(5f15.7))
320	continue
350	ir=0
	do 352 i=1,n
	dl=1.e10
	du=-1.e10
	do 354 j=1,nv
	w=iv(i,j)
	if (w.ge.du) du=w
	if (w.le.dl) dl=w
354	continue
	w=du-dl
	if (w.le.idx(i)) ir=ir+1
352	continue
	if (ir.ge.en) go to 470
	if (i2.ne.1) go to 360
	w=sch/15
	iw=int(w)
	if (iw.le.qun) go to 360
	call quadr
	if (f1.ge.y(1)) go to 360
	call round(xb,ixb)
	write(*,1020) qun,f1,(xb(i),i=1,n)
1020	format(10x,7hsuccess,/,10x,4hqun=,i5,/,10x,2hf=,f15.7,/,
     1  10x,2hx=,/,(5f15.7))
	y(nv)=f1
	do 356 i=1,n
356	iv(i,nv)=ixb(i)
	go to 450
360	continue
	IF(I7.EQ.1) THEN
	isch=sch/50
	if (isch*50.ne.sch) go to 351
	ngl=0
	do 337 i=1,n
	ngt=0
	nlt=0
	do 331 j=2,nv
	if (iv(i,j).gt.iv(i,1)) ngt=ngt+1
	if (iv(i,j).lt.iv(i,1)) nlt=nlt+1
331	continue
	if (ngt.gt.1.and.nlt.gt.1) ngl=ngl+1
337	continue
	if (ngl.gt.1) go to 351
	sub=1.
	n1=nv
	call search
	if (f1.gE.y(n1)) go to 351
	do 346 i=1,n
346	iv(i,nv)=ixb(i)
	y(nv)=f1
	KT=4
	go to 450
351	continue
	ENDIF
	n1=nv
460	MSCH=SCH/NSCH
	IF(MSCH*NSCH.EQ.SCH) THEN
	OPEN(2,FILE=NAME,STATUS='NEW',ACCESS='DIRECT',FORM='BINARY',
     1  RECL=160)
	DO 927 I=1,NV
	WRITE(2,REC=I)(IV(J,I),J=1,N)
927	CONTINUE
	nv1=nv+1
	write(2,rec=nv1)sch,fun,cst,cycle
	CLOSE(2)
	ENDIF
由于,优化时,file2总是提示cannt overwrite file2,这个提示说事file2已经存在,但事实上其并没有建立过,我认为是recl=??的原因, 但又不知道怎么确定其长度.所以想在子函数功能相同的情况下,把这个文件用别的形式代替下删除掉,应该怎么改写,谢谢各位指导了
 
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