search for: compare23_21te061221

Displaying 1 result from an estimated 1 matches for "compare23_21te061221".

2007 Jan 10
2
problems with optim, "for"-loops and machine precision
...res[s,10]=M21$par[3] res[s,11]=M21$par[4] res[s,12]=M21$par[5] res[s,13]=M21$par[6] res[s,14]=M21$par[7] res[s,15]=M21$value res[s,16]=M23$value-M21$value res[s,17]=M23$convergence res[s,18]=M21$convergence write.table(res,"compare23_21TE061221.txt") rm(M23,M21) } } For some strange reason the results do not correspond to what I expect: about 10% of the solutions have a difference of NLL smaller than 0. I have verified the optimisation of these results manually and found that a minimal NLL was ignored and a higher NLL...