search for: tiffi

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2008 Sep 27
3
Double integration - Gauss Quadrature
Hi, I would like to solve a double integral of the form \int_0^1 \int_0^1 x*y dx dy using Gauss Quadrature. I know that I can use R's integrate function to calculate it: integrate(function(y) { sapply(y, function(y) { integrate(function(x) x*y, 0, 1)$value }) }, 0, 1) but I would like to use Gauss Quadrature to do it. I have written the following code (using R's statmod package)
2009 Oct 06
1
ldapsam, smbpasswd and posixAccount
Hi, I have a setup with Samba (3.4) as PDC with ldapsam as backend. LDAP is managed by Samba, no external helper scripts. When I add a new user with "smbpasswd -a foo" it works fine, user is created and the openldap is populated with samba and posix attributes. Now, when I add a new user to the directory by running ldapadd against a ldif file which contains only posix related
2008 Sep 30
2
R's integrate function
Hello, I am trying to use R's integrate function to calculate the following integral for z=423: integrate(function(y,z){ sapply(y, function(y,z){ integrate(function(x,z) 1/x*dbeta(0.01,x/(0.005/1.005),(1-x)/(0.005/1.005))*dbeta(y,x/(0.005/1.005),(1-x)/(0.005/1.005))*(1-y)^z,0,1,423)$value }) },0,1,423)$value but I receive an error message saying that the maximum number of subdivisions is
2008 Oct 15
0
R-help Digest, Vol 67, Issue 31
V; Sent via BlackBerry from T-Mobile -----Original Message----- From: r-help-request at r-project.org Date: Tue, 30 Sep 2008 12:00:06 To: <r-help at r-project.org> Subject: R-help Digest, Vol 67, Issue 31 Send R-help mailing list submissions to r-help at r-project.org To subscribe or unsubscribe via the World Wide Web, visit https://stat.ethz.ch/mailman/listinfo/r-help or, via email,