function phib = termwisebdu(K,phi,m,n)
n1 = n-1;

global Ainl Binl Ain1 Bin1 GG iif m n mylinopt


% assume K>0

K1 = getK1(K,m,n);
Kf = getK1(phi'.*K,m,n);

phib = zeros(m^n1,1);

if sum(K1)>1e-6
  phib = min(Kf ./ (K1 + ~K1),n1);
end

phib = ceil(phib);

dims = repmat([m],[1 n1]);

for val = n1:-1:1
  xind = find(phib==val);
  %xind = find(ceil(phib)==val);
  for i=xind(:)'
    v = phib(i);
    x = ind2coord(i,dims);
    Y = allrho1(x,m);
    Yind = coord2ind(Y,dims);
    badYi = find(v-phib(Yind) > 1);
    phib(Yind(badYi)) = 0*phib(Yind(badYi)) + v - 1;
  end
end

phib = phib';
return