2012-11-07 16:00:00 UTC

# Hannes combined try rev.5.11

Status: Passed
Results: 1427 (cyc: 9, node: 462)
CPU Time: 11.11
Score: 1441.34
Submitted at: 2012-11-03 13:35:21 UTC
Scored at: 2012-11-03 13:38:21 UTC

Current Rank: 1149th (Highest: 1st )
Based on: Hannes combined try rev.5.10 (diff)
Basis for: Hannes combined try rev.5.12 (diff)

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

rand('seed',2);

N=size(xyIn,1);
if (N<75||N>90)

X=logical(speye(N));
D=inf(N);

D(X)=0;
for n=1:20,
X=((a*X)>0)&(D>n);
%    if ~any(X(:)),break;end % Howe's
D(X)=n;
end

mD=mean(D);
E=bsxfun(@minus,bsxfun(@minus,D,mD)',mD)'+mean(mD);

[xyOut ,nill]=svd(E);
xyOut=xyOut(:,1:2);
else

deg=diag(sum(a));
L=diag(sum(a))-a;
[V,~]=eig(L,deg);
xyOut=V(:,2:3);
end

for ncut=1:2
Mbeta=(0.9*eye(N)+0.1*bsxfun(@rdivide,a+eye(N),sum(a,2)+1))^10;
for n1=1:120
xyOut=Mbeta*xyOut;
[c1,D,c2]=svd(cov(xyOut,1));
xyOut=(bsxfun(@minus,xyOut,mean(xyOut)))*c1*diag(1./sqrt(.1+diag(D)))*c2';
end
[i,j]=find(a>0.009);
dd=sum((xyOut(i,:)-xyOut(j,:)).^2,2);
k=find(dd>3.5*mean(dd));
if isempty(k), break; end
a(i(k)+N*(j(k)-1))=0.009;
end

xyOut0=sqrt(N)*detrend(xyOut,'constant')*diag(1./max(eps,std(xyOut,1,1)));
k=5;
[sxyOut0,idxequal]=sortrows(round(15*xyOut0)/15);
idxequal=idxequal(all(~diff(sxyOut0,1,1),2));
xyOut=round(xyOut0);
while size(unique(xyOut,'rows'),1)~=N
k=k*1.1;
xyOut=xyOut0*k;
xyOut(idxequal,:)=(xyOut0(idxequal,:)+randn(numel(idxequal),2)/10)*k;
xyOut=round(xyOut);
end
if N<35 % small map knot lines
xyOut=3*xyOut+randi([-1,1],N,2);
end

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