search for: lhat

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2009 Sep 14
1
Error: C stack usage is too close to the limit
...wing error message: > l= c(49.4, 57.7,64.8,70.9,78.7,86.6,88.3,91.6,99,115) > t=3:12 > fn <- function(params, l=l, t=t) { Linf <- params[1] k <- params[2] t0 <- params[3] sigma <- params[4] lhat <- params[1]*(1-exp(-params[2]*(t-params[3]))) logL <- -sum(dnorm(log(l),log(lhat),sqrt(sigma),TRUE)) return(logL) } > resop <- optim(c(120, .1, 0, 1), fn, method="L-BFGS-B",lower=c(0.0, 0.001, 0.001,0.01) + ,upper = rep(Inf, 4), hessian=TRUE...
2003 May 28
0
supplying the Hessian to "nlm"
Dear all, I am trying to minimize a function with 3 parameters using nlm. I have worked out the 2nd derivatives (incl the cross-product terms) and would like to supply them to nlm for evaluation. What I am not sure about is how to set up the Hessian matrix for nlm. That is, attr(lhat, "hessian") <- c(???) Do I have to enter all 9 of the entries or just the lower triangle of the matrix? I have not been able to find the documentation in relationship to this. Many thanks for any tips in advance. Edmond
2007 May 25
1
Need help: Centos 5, Samba as file server + ACL for WORKGROUP
...wrd. After that I enter user name as mly into the field, or mly@192.168.0.203 or anything suggested but I always got the error message of: "An object named "mly" cannot be found. I tried other users that are not in the same owner group of this folder too but nothing worked. ls -lhat total 32K drwxrws--- 10 nntien Engineers 4.0K May 24 10:14 Engineers -rwxrwx--- 1 nntien Engineers 7 May 23 11:37 abc.txt I still could add new user in Linux: [root@filer Engineers]# setfacl -m user:hmtien:rx abc.txt [root@filer Engineers]# getfacl abc.txt # file: abc.txt # owner: nntien...
2018 Aug 06
2
Back to Xfce
On 08/06/2018 11:51 AM, Tony Schreiner wrote: > On Mon, Aug 6, 2018 at 11:33 AM Robert Moskowitz <rgm at htt-consult.com> > wrote: > >> >> On 08/06/2018 11:11 AM, Tony Schreiner wrote: >>> On Mon, Aug 6, 2018 at 10:55 AM Robert Moskowitz <rgm at htt-consult.com> >>> wrote: >>> >>>> Nicolas, >>>> >>>>
2018 Aug 06
0
making my own group repo - Re: Back to Xfce
...??? ???? ??.</description> ??? <description xml:lang="hr">Jednostavno okru?enje radne povr?ine koje dobro funkcionira na slabijim ra?unalima.</description> ??? <description xml:lang="hu">Pehelys?ly? asztal k?rnyezet, ami gyeng?bb g?peken is j?l haszn?lhat?.</description> ??? <description xml:lang="ia">Un ambiente de scriptorio legier que functiona ben sur machinas exigue.</description> ??? <description xml:lang="id">Lingkungan dekstop yang ringan yang dapat bekerja dengan baik pada mesin yang rendah.&l...