2012-11-07 16:00:00 UTC

# checking_tw2

Status: Passed
Results: 1460 (cyc: 6, node: 352)
CPU Time: 9.344
Score: 1470.61
Submitted at: 2012-11-03 04:58:23 UTC
Scored at: 2012-11-03 05:01:35 UTC

Current Rank: 1266th (Highest: 41st )
Based on: checking (diff)

Code
```function xyOut = solver(a, xyIn, wts)

rand('seed',2) % Make xyIn cases independent. Currently optimizing as a whole set

N=length(wts);

[xyOut,nill]=svd(diag(sum(a))-a);
xyOut=xyOut(:,end-2:end-1);

for ncut=1:2
M=a+eye(size(a));
Mbeta=(((0.9)*eye(N)+0.1*bsxfun(@rdivide,M,sum(M,2)))^10);
for n1=1:120
xyOut=Mbeta*xyOut;
[c1,d1,c2]=svd(cov(xyOut,1));
xyOut=(bsxfun(@minus,xyOut,mean(xyOut)))*c1*diag(1./sqrt(.1+diag(d1)))*c2'; %sqrtm(pinv(.1*eye(2)+cxyOut));
end
[i,j]=find(a>0.01);
dd=sum((xyOut(i,:)-xyOut(j,:)).^2,2);
k=find(dd>4*mean(dd));
if isempty(k), break; end
a(i(k)+N*(j(k)-1))=0.009;
end
xyOut0=xyOut;

xyOut0=sqrt(N)*detrend(xyOut0,'constant')*diag(1./max(eps,std(xyOut0,1,1)));
% K=10;
k=5;
xyOut=round(xyOut0);
while size(unique(xyOut,'rows'),1)~=N
k=k*1.1;
xyOut=round(xyOut0*k);
[sxyOut0,idxequal]=sortrows(round(xyOut));
idxequal=idxequal(all(~diff(sxyOut0,1,1),2));
xyOut(idxequal,:)=xyOut(idxequal,:)+randi(3,numel(idxequal),2)-2;
end

if N<35 % small map knot lines
xyOut=3*xyOut+(randi(3,N,2)-2);
end

xyOut = bsxfun(@minus,xyOut,round(wts*(xyOut-xyIn)./sum(wts))); % AV's

end```