Program g03bcfe ! G03BCF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: g03bcf, nag_wp, x04caf ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Real (Kind=nag_wp) :: alpha, rss Integer :: i, ifail, ldr, ldx, ldy, lwk, m, n Character (1) :: pscale, stand ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: r(:,:), res(:), wk(:), x(:,:), & y(:,:), yhat(:,:) ! .. Executable Statements .. Write (nout,*) 'G03BCF Example Program Results' Write (nout,*) Flush (nout) ! Skip heading in data file Read (nin,*) ! Read in problem size Read (nin,*) n, m, stand, pscale ldx = n ldy = n ldr = m lwk = m*m + 7*m Allocate (x(ldx,m),y(ldy,m),yhat(ldy,m),r(ldr,m),res(n),wk(lwk)) ! Read in data Read (nin,*)(x(i,1:m),i=1,n) Read (nin,*)(y(i,1:m),i=1,n) ! Calculate rotations ifail = 0 Call g03bcf(stand,pscale,n,m,x,ldx,y,ldy,yhat,r,ldr,alpha,rss,res,wk, & ifail) ! Display results ifail = 0 Call x04caf('General',' ',m,m,r,ldr,'Rotation Matrix',ifail) If (pscale=='S' .Or. pscale=='s') Then Write (nout,*) Write (nout,99999) ' Scale factor = ', alpha End If Write (nout,*) Flush (nout) ifail = 0 Call x04caf('General',' ',n,m,y,ldy,'Target Matrix',ifail) Write (nout,*) Flush (nout) ifail = 0 Call x04caf('General',' ',n,m,yhat,ldy,'Fitted Matrix',ifail) Write (nout,*) Write (nout,99999) 'RSS = ', rss 99999 Format (1X,A,F10.3) End Program g03bcfe