search for: tiffy

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2008 Sep 27
3
Double integration - Gauss Quadrature
...length(nodes)){ sum <- (sum + ab_weights[i]*f(ab_nodes[i]))} return(sum) } gauss_legendre(function(y) { sapply(y, function(y) { gauss_legendre(function(x) x*y, 0, 1, nodes, weights)$value }) }, 0, 1, nodes, weights) Can anybody tell me where the problem lies? Thank you for your help! Tiffy
2009 Oct 06
1
ldapsam, smbpasswd and posixAccount
..."uid=schalke,ou=users,dc=tuxgeek,dc=de" $ ldapsearch -xLLL uid=schalke dn: uid=schalke,ou=users,dc=tuxgeek,dc=de uid: schalke objectClass: account objectClass: posixAccount cn: schalke uidNumber: 10100 gidNumber: 10023 homeDirectory: /home/TUXGEEK/schalke loginShell: /bin/bash [root at tiffy openldap]$ smbpasswd -a schalke New SMB password: Retype new SMB password: ldapsam_create_user: failed to create a new user [schalke] (dn = uid=schalke,ou=users,dc=tuxgeek,dc=de) Failed to add entry for user schalke. This is from the log: sambaAcctFlags objectClass Oct 6 18:05:26 tiffy slapd[5819...
2008 Sep 30
2
R's integrate function
...05/1.005))*dbeta(y,x/(0.005/1.005),(1-x)/(0.005/1.005))*(1-y)^z,0,1,423)$value }) },0,1,423)$value but I receive an error message saying that the maximum number of subdivisions is reached. If I choose a smaller z it works fine. Does anyone know what the problem is? Thank you very much in advance, Tiffy
2008 Oct 15
0
R-help Digest, Vol 67, Issue 31
...--------- Message: 79 Date: Mon, 29 Sep 2008 11:43:46 -0500 From: "Earl F. Glynn" <efg at stowers-institute.org> Subject: Re: [R] Double integration - Gauss Quadrature To: r-help at stat.math.ethz.ch Message-ID: <gbr0h5$i3o$1 at ger.gmane.org> "Susanne Pfeifer" <tiffy at tiffy.it> wrote in message news:48DE3BE0.5020200 at tiffy.it... > Hi, > > I would like to solve a double integral of the form . . . > but I would like to use Gauss Quadrature to do it. > I have written the following code (using R's statmod package) which > works fine fo...