31 lines
1.1 KiB
Matlab
Executable File
31 lines
1.1 KiB
Matlab
Executable File
%%*****************************************************************
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%% HSDNTcorr: corrector step for the NT direction.
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%%*****************************************************************
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%% SDPT3: version 4.0
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%% Copyright (c) 1997 by
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%% Kim-Chuan Toh, Michael J. Todd, Reha H. Tutuncu
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%% Last Modified: 16 Sep 2004
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%%*****************************************************************
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function [par,dX,dy,dZ,resnrm] = HSDNTcorr(blk,At,par,rp,Rd,sigmu,hRd,...
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dX,dZ,coeff,L,X,Z)
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global printlevel
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global matfct_options solve_ok
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%%
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[rhs,EinvRc] = HSDNTrhsfun(blk,At,par,X,Z,rp,Rd,sigmu,hRd,dX,dZ);
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m = length(rp); ncolU = size(coeff.mat12,2);
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rhs = [rhs; zeros(m+ncolU-length(rhs),1)];
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%%
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solve_ok = 1; resnrm = norm(rhs);
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[xx,resnrm,solve_ok] = HSDbicgstab(coeff,rhs,L,[],[],printlevel);
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if (solve_ok<=0) & (printlevel)
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fprintf('\n warning: iterative solver fails: %3.1f.',solve_ok);
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end
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if (par.printlevel>=3); fprintf(' %2.0f',length(resnrm)-1); end
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%%
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[par,dX,dy,dZ] = HSDNTdirfun(blk,At,par,Rd,EinvRc,xx);
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%%************************************************************************
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