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% y = Amul(At,dense,x,transp) % AMUL Computes A*x (transp=0) or A'*x (transp=1), taking care of dense.A. % % ********** INTERNAL FUNCTION OF SEDUMI

% y = qblkmul(mu,d,blkstart) % QBLKMUL yields length(y)=blkstart(end)-blkstart(1) vector with % y[k] = mu(k) * d[k]; the blocks d[k] are partitione

% y = triumtriu(r,u,K) % TRIUMTRIU Computes y = r * u % Both r and u should be upper triangular. % % ********** INTERNAL FUNCTION OF SEDUMI ****

/* y = qscaleK(d,rdetd,x,K) Computes y = D(d) x with d in K, Lorentz part. % This file is part of SeDuMi 1.1 by Imre Polik and Oleksandr Romanko % Copyright (C) 2005 McMaster University, H

/* % y = vecsym(x,K) % VECSYM For the PSD submatrices, we let Yk = (Xk+Xk')/2 % % SEE ALSO sedumi % ********** INTERNAL FUNCTION OF

% Y = MAT(x,n) or Y = MAT(x) (the 2nd argument is optional) % Given a vector of length n^2, this produces the n x n matrix % Y such that x = vec(Y). In other words, x contains the colum

% y = fwdpr1(Lden, b) % FWDPR1 Solves "PROD_k L(pk,betak) * y = b", where % where L(p,beta) = eye(n) + tril(p*beta',-1). % % **********

/* % y = invcholfac(u,K, perm) % INVCHOLFAC Computes y(perm,perm) = u' * u, with u upper triangular. % % SEE ALSO sedumi, getada3 % *************

/* % y = qblkmul(mu,d,blkstart) % QBLKMUL yields length(y)=blkstart(end)-blkstart(1) vector with % y[k] = mu(k) * d[k]; the blocks d[k] are partit

% [y,k, DAy] = loopPcg(L,Lden,At,dense,d, DAt,K, b,p,ssqrNew,cgpars, restol) % % LOOPPCG Solve y from AP(d)A' * y = b % using PCG-method and Cholesky L as conditioner. % If L is sufficiently accur