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- subroutine isqt2(x,y,m,mm,n,a,q,s,r,v,u,b)
- dimension x(m,n),y(n),a(mm),b(mm,mm),v(m)
- double precision x,y,a,b,v,q,s,r,u,yy,dyy,p,pp
- b(1,1)=n
- do 20 j=2,mm
- b(1,j)=0.0
- do 10 i=1,n
- 10 b(1,j)=b(1,j)+x(j-1,i)
- b(j,1)=b(1,j)
- 20 continue
- do 50 i=2,mm
- do 40 j=i,mm
- b(i,j)=0.0
- do 30 k=1,n
- 30 b(i,j)=b(i,j)+x(i-1,k)*x(j-1,k)
- b(j,i)=b(i,j)
- 40 continue
- 50 continue
- a(1)=0.0
- do 60 i=1,n
- 60 a(1)=a(1)+y(i)
- do 80 i=2,mm
- a(i)=0.0
- do 70 j=1,n
- 70 a(i)=a(i)+x(i-1,j)*y(j)
- 80 continue
- call achol(b,mm,1,a,l)
- yy=0.0
- do 90 i=1,n
- 90 yy=yy+y(i)/n
- q=0.0
- dyy=0.0
- u=0.0
- do 110 i=1,n
- p=a(1)
- do 100 j=1,m
- 100 p=p+a(j+1)*x(j,i)
- q=q+(y(i)-p)*(y(i)-p)
- dyy=dyy+(y(i)-yy)*(y(i)-yy)
- u=u+(yy-p)*(yy-p)
- 110 continue
- s=sqrt(q/n)
- r=sqrt(1.0-q/dyy)
- do 150 j=1,m
- p=0.0
- do 140 i=1,n
- pp=a(1)
- do 130 k=1,m
- if(k.ne.j) pp=pp+a(k+1)*x(k,i)
- 130 continue
- p=p+(y(i)-pp)*(y(i)-pp)
- 140 continue
- v(j)=sqrt(1.0-q/p)
- !write(*,*) v(j)
-
- 150 continue
- return
- end
- subroutine achol(a,n,m,d,l)
- dimension a(n,n),d(n,m)
- double precision a,d
- l=1
- if(a(1,1)+1.0.eq.1.0)then
- l=0
- write(*,30)
- return
- endif
- a(1,1)=sqrt(a(1,1))
- do 10 j=2,n
- 10 a(1,j)=a(1,j)/a(1,1)
- do 100 i=2,n
- do 20 j=2,i
- 20 a(i,i)=a(i,i)-a(j-1,i)*a(j-1,i)
- if(a(i,i)+1.0.eq.1.0)then
- l=0
- write(*,30)
- return
- endif
- 30 format(1x,'fall')
- a(i,i)=sqrt(a(i,i))
- if(i.ne.n)then
- do 50 j=i+1,n
- do 40 k=2,i
- 40 a(i,j)=a(i,j)-a(k-1,i)*a(k-1,j)
- 50 a(i,j)=a(i,j)/a(i,i)
- endif
- 100 continue
- do 130 j=1,m
- d(1,j)=d(1,j)/a(1,1)
- do 120 i=2,n
- do 110 k=2,i
- 110 d(i,j)=d(i,j)-a(k-1,i)*d(k-1,j)
- d(i,j)=d(i,j)/a(i,i)
- 120 continue
- 130 continue
- do 160 j=1,m
- d(n,j)=d(n,j)/a(n,n)
- do 150 k=n,2,-1
- do 140 i=k,n
- 140 d(k-1,j)=d(k-1,j)-a(k-1,i)*d(i,j)
- d(k-1,j)=d(k-1,j)/a(k-1,k-1)
- 150 continue
- 160 continue
- return
- end
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