function xyOut = solver(a, xyIn, wts)
N=size(xyIn,1);
D=min(N,mindist(a));
mD=mean(D,1);
D=D-repmat(mD,[size(D,1),1])-repmat(mD',[1,size(D,2)])+mean(mD);
[x,nill]=svd(D);
xyOut0=x(:,1:2);
lambda=.1;
beta=1e3;
a(1:size(a,1)+1:end)=1;
M=(1-lambda)*eye(N)+lambda*bsxfun(@rdivide,a,max(1,sum(a,2)));
xyOut0=(M^beta)*xyOut0;
xyOut0=sqrt(N)*detrend(xyOut0,'constant')*diag(1./max(eps,std(xyOut0,1,1)));
K=10;
k=1;
[sxyOut0,idxequal]=sortrows(round(K*xyOut0)/K);
idxequal=idxequal(all(~diff(sxyOut0,1,1),2));
xyOut=round(xyOut0*k);
while size(unique(xyOut,'rows'),1)~=N
k=k*2;
xyOut=xyOut0*k;
xyOut(idxequal,:)=(xyOut0(idxequal,:)+randn(numel(idxequal),2)/K)*k;
xyOut=round(xyOut);
end
xyOut=bsxfun(@plus,xyOut,round(median(xyIn,1)-median(xyOut,1)));
end
function D=mindist(C)
N=size(C,1);
X=logical(speye(N));
D=inf(N,N);
D(X)=0;
for n=1:N,
X=(C*X)>0;
X=X&(D>n);
if ~any(X(:)),break;end
D(X)=n;
end
end
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