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发表于 2015-10-17 20:55:36
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program main   
implicit none 
parameter n=348 
real x(n),y(n),c(n),d(n),t(n) 
real a,b,sx,sxy,sum2,ave2,sum1,ave1 
integer i 
!open(1,file='d:/interannual/q/nino3.txt') 
!open(2,file='d:/interannual/q/tloop79.txt') 
!open(3,file='d:/interannual/q/3.txt') 
!open(4,file='d:/interannual/q/4.grd',form='binary') 
!open(5,file='d:/interannual/q/5.grd',form='binary') 
open(1,file='f:/wwt/lr/nino1+2.txt') 
open(2,file='f:/wwt/lr/ssta.grd',form='formatted') 
open(3,file='f:/wwt/lr/3.txt') 
open(4,file='f:/wwt/lr/4.grd',form='binary') 
open(5,file='f:/wwt/lr/5.grd',form='binary') 
read(1,*)(x(i),i=1,n) 
read(2,*)(y(i),i=1,n) 
sum1=0.0 
sum2=0.0 
sx=0.0 
sxy=0.0 
do i=1,n 
sum1=sum1+x(i) 
sum2=sum2+y(i) 
enddo 
ave1=sum1/n 
ave2=sum2/n 
do i=1,n 
c(i)=x(i)-ave1 
d(i)=y(i)-ave2 
enddo 
do i=1,n 
sx=sx+c(i)**2 
sxy=sxy+c(i)*d(i) 
enddo 
sx=sx/n 
sxy=sxy/n 
b=sxy/sx 
a=ave2-ave1*b 
do i=1,n 
t(i)=a+b*x(i) 
y(i)=y(i)-t(i) 
enddo 
write(3,*)(t(i),i=1,n) 
write(4,*)(y(i),i=1,n) 
write(5,*)(t(i),i=1,n) 
end 
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