similar to: Optimization of constrained linear least-squares problem

Dear, I am looking for the simplification of a formula to improve the calculation speed of my program. Therefore I want to simplify the following formula: H = sum{i=0..n-1 , [ sum {j=0..m-1 , sqrt ( (Ai - Bj)^2 + (Ci - Dj)^2) } ] } where: A, C = two vectors (with numerical data) of length n B, D = two vectors (with numerical data) of length m sqrt = square root Ai = element of A with index

Dear RSYNCians, I'm trying to rsync my labtop pc (let's assume A-computer) with my desktop pc (let's assume C-computer) through our firewall. In between there is one computer (let's assume B-computer) that has an open port, so I theoretically could connect via a tunnel. I checked the SSH- website and internet and so on but did not find an answer that works. I tried the

Dear R-ians, I have a question concerning plotting different plots on one figure. I have written a script to plot an image, a legend (based on different rectangles) and a timeseries plot on one figure. In my R-lagnuage it looks like this (without arguments that are not usefull for my question): #---> I first define the functions image.data<-function(...){ .... #-->Plot the

Dear R-ians, I'm looking for a computational simplified formula to calculate a measure for heterogeneity (let's say H ): H = sqrt [ (Si (Sj (Xi - Xj)?? ) ) /n ] where: sqrt = square root Si = summation over i (= 0 to n) Sj = summation over j (= 0 to n) Xi = element of X with index i Xj = element of X with index j I can simplify the formula to: H = sqrt [ ( 2 * n * Si (Xi) - 2 Si (Sj

Dear, I'm trying to put up a scripts to synchronize my computers (HOST_A and HOST_C). I can connect both via HOST_B to avoid the firewall. I am trying to work with the rsync daemon to avoid hanging. I tried to figure out the mailinglist + FAQ, how to do it, but it seems I misunderstand something, since all your previous help did not work for me. I get the following error when executing

Dear R-ians, I am looking for the simplification of a formula to improve the calculation speed of my program. Therefore I want to simplify the following formula: H = Si (Sj ( sqrt [ (Ai - Aj)?? + (Bi - Bj)?? ] ) ) where: A, B = two vectors (with numerical data) of length n sqrt = square root Si = summation over i (= 0 to n) Sj = summation over j (= 0 to n) Ai = element of A with index i Aj

Dear Rsyncians, I'm trying to Rsync my windowsXP-pc A and C. There is a firewall in between A and C, but we have a port open on a linux-machine B to access C from A (and vica versa) via B. When I now run my Rsync scripts in cygwin: # _______________________________________________________________________________ #!/bin/bash # Command to synchronize (only update) two computers based on

I am using R for environmental forensics (determination of the sources and/or groupings in mixtures of organic chemicals in the field). The goal is to determine in there are groups of samples with similar/dissimilar compositions, and to assign samples to a potential source or a mixture of sources based on the composition (unmixing and source allocation). Typically there are 10 to 50 chemicals that

Hello, When used in SILK mode, is there a way to manually modify the pitch (F0) of the speech signal before resynthesizing during Opus decoding? In the below, we have modified the pitch lags of (4), e.g., with a constant scaling factor 0.5 to decrease the pitch of the voice by one octave. However, the result was perceptually the same as without modifying the pitch lags. +---------+

Hi, I am new to R, and am trying to solve the following optimization problem: This is a nonlinear least squares problem. I have a set of 3D voxels. All I need is to find a least squares fit to this data. The data model actually represent a cube-like structure, consisting of seven straight lines. The lines have some intersections (and at this intersection both of the participating lines end).

Is there a function in R for constrained linear least squares? I used the matlab function LSQLIN: my aim is to obtain non-negative regression coefficients which sum 1. Thanks in advance, domenico vistocco ___________________________________ Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB http://mail.yahoo.it

Hello, I'm running the following script for backup: SHORTHOST=`hostname | awk 'BEGIN { FS="." } { print $1 }'` cd $HOME || exit 1 rsync --ignore-errors --max-size=50m -v --delete --delete-excluded --log-file=/tmp/backup.log --exclude-from=$HOME/.rsync/exclude \ --timeout=3 -az \ $HOME atticserve:/mnt/store/backup/$SHORTHOST At some point it tries to sync the following

Hi, I've been trying to use the set_callerid function in the AGI. It sets the CallerIDname properly but I can't figure out how to set the CallerIDnumber. Is it at at possible ? Cheers. SL

Hello, I?m willing to pay $500 to the person that can help me. Of course, free help would be even better :-) I want to get the software at http://www.verydoc.com/dwg-to-vector.htm to run under wine. This program converts dwg to swf (flash). It?s a command line program that I want to integrate it into a web app. I can get the conversion tool to give me it?s help message by running ?wine

After installation of R on windows machine and starting the R program, I only see the R-console but not the RGUI screen... Do I need to re-install or change some settings? Tx! Notice: This e-mail message, together with any attachme...{{dropped:14}}

Hi, we use a Windows NT to authenticate our users and I have a subnet with a Linux server as the router for that subnet. I run samba-the-latest on Linux and I was told by a Microsoft guy that this server may be the cause of the security problem on the NT server. It seems that samba is corrupting the user database on the NT server and my network admin thinks that the Linux server is the cause.

Hi I am trying to find a way to run 2 samba PDC servers on the same computer. One samba server is the one in production and the other will be used for testing. So far I have not found a way to do this, is it possible at all? I only have one network card. Jocke

Hi all, I would like to run a function with several nested conditions, which are completely factorial. The input data (x1) has two different sample sizes, so: x1 <- dat1 x1 <- dat2 Then a can have 3 different values: a <- 0.15 a <- 0.35 a <- 0.50 Then b can have 2 different values: b <- data.matrix (c(0.5,0.5,0.5)) b <- data.matrix (c(0.2,0.4,0.6)) Then d can have 5

Dear R users, I 'm working on a dataset consisting of 4 different dataframes with tree, leaf, fruit and seed measurements made on 300 trees, coming from 10 provenances (30 trees per provenance, 10 leaves/fruits/seeds per tree). Provenances are fixed effects (they were not randomly chosen), but trees within provenances and leaves/fruits/seeds within trees were randomly assigned. I wanted to

Hi guys I have data that contains the variances vt of the yields of 1, 2, 3, 4, 5,10, 20 year bonds. Assuming the Hull-White model for the yield of a t-year zero-coupon bond, I have to estimate the ? of the Hull-White model using nonlinear least squares and give a 95% con?dence interval for each parameter. Please can you guys tell how to find out ? using R. Any suggestion regarding what functions