48 lines
946 B
Matlab
48 lines
946 B
Matlab
function d1 = bksupk(ny,fid,jcf,icc1)
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global M_ options_ c ncc
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icf = [1:jcf-1] ;
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ir = [(options_.periods-1)*ny+1:ny*options_.periods] ;
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irf = icc1+(options_.periods-1)*ny ;
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d1 = zeros(options_.periods*ny,1) ;
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ofs = (((options_.periods-1)*ny+1)-1)*ncc*8 ;
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junk = fseek(fid,ofs,-1) ;
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c = fread(fid,[ncc,ny],'float64') ;
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c = c' ;
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d1(ir) = c(:,jcf) ;
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ir = ir-ny ;
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i = 2 ;
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while i <= M_.maximum_lead | i <= options_.periods
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irf1 = selif(irf,irf<=options_.periods*ny) ;
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ofs = (((options_.periods-i)*ny+1)-1)*ncc*8 ;
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junk = fseek(fid,ofs,-1) ;
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c = fread(fid,[ncc,ny],'float64') ;
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c = c' ;
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d1(ir) = c(:,jcf) - c(:,1:size(irf1,1))*d1(irf1) ;
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ir = ir - ny ;
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irf = irf - ny ;
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i = i + 1 ;
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end
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while i <= options_.periods
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ofs = (((options_.periods-i)*ny+1)-1)*ncc*8 ;
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junk = fseek(fid,ofs,-1) ;
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c = fread(fid,[ncc,ny],'float64') ;
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c = c' ;
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d1(ir) = c(:,jcf)-c(:,icf)*d1(irf) ;
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ir = ir-ny ;
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irf = irf-ny ;
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i = i+1;
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end
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return ;
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