The nelder_mead_min function contains a small error when checking the
stopping criteria ('rtol' should be checked using '|'). Below is a patch to
fix it.
M.
--- /tmp/old.m 2010-11-10 09:55:22.310185386 -0800
+++ /tmp/new.m 2010-11-10 09:55:34.310245100 -0800
@@ -183,7 +183,7 @@
done |= ((max(y)-min(y)) / max(1,max(abs(y))) < ftol);
end
if ! isnan (rtol),
- done = (2*max (max (u) - min (u)) < rtol);
+ done |= (2*max (max (u) - min (u)) < rtol);
end
if ! isnan (vtol)
done |= (abs (det (u(1:N,:)-ones(N,1)*u(N+1,:)))/factorial(N) < vtol);
--
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