daniela garavaglia danygaravaglia84virgilioit im italian student looking help maximize function neg_loglikfunctionparam aparam1 b param2 logpras2bsnlog2anlog1bsqrtaexpb24asqrt pi1pnormb2sqrta mean0 sd11 con pr 1 437124e113 s2 1 270486 1 3646 n 1 71 loglikelihood function parameter e b positive ive used function maxconstroptimc11neg_loglik gradnull uirbindc10c01 cic00 without success cause think max local great wishes daniela alternative html version deleted ______________________________________________ rhelprprojectorg mailing list httpsstatethzchmailmanlistinforhelp please read posting guide httpwwwrprojectorgpostingguidehtml provide commented minimal selfcontained reproducible code thu 07 aug 2008 145544 0200 r maximization constraits