search for: aind

...1/2 b^T b? # Assume we want to minimize: -(0 5 0) %*% b + 1/2 b^T b # under the constraints: A^T b >= b0 # with b0 = (-8,2,0)^T # and (-4 2 0) # A = (-3 1 -2) # ( 0 0 1) # we can use solve.QP.compact as follows: # library(quadprog) Dmat <- matrix(0,3,3) diag(Dmat) <- 1 dvec <- c(0,5,0) Aind <- rbind(c(2,2,2),c(1,1,2),c(2,2,3)) Amat <- rbind(c(-4,2,-2),c(-3,1,1)) bvec <- c(-8,2,0) solve.QP.compact(Dmat,dvec,Amat,Aind,bvec=bvec) Thanks, Serguei

I have just installed the 64 bit version of R, using yum. The version is: 2.6.2-1.fc7.1.x86_64. I installed zoo without any major problem and the same with quadprog (a few warnings). However, when I came to install tseries I get the following: install.packages() Warning in install.packages() : argument 'lib' is missing: using

...ork with WINE my issue is: whenever i try to connect to a torrent sites tracker via HTTPS instead of HTTP, i get a "HTTP Reply 0" error. this is on both of my computers with 1.6.1 and whatever the newest version of utorrent was as of last week. i can change from https:// to http:// again aind it will announce and grab peers fine. the only problem is, due to a new legislation inside of sweden- people there want all incoming traffic to be encrypted. i am at a loss, a few people have described the problem and so far the ONLY known resolution has been to swap to another linux native bitto...

...of x and y helps (if solve.QP.compact fails otherwise) xscale <- apply(abs(x),2,mean) yscale <- mean(abs(y)) x <- t(t(x)/xscale) y <- y/yscale Rinv <- backsolve(qr.R(qr(x)),diag(m)) cf <- solve.QP.compact(Dmat=Rinv,dvec=t(x)%*%y,Amat=rbind(rep(1,m)), Aind=rbind(rep(1,m),1:m),bvec=eps*xscale/yscale, factorized=TRUE)$sol cf <- cf*yscale/xscale #scale back cf } ##- #PS: Why the scaling in nnls.fit? ##- # Consider the following ##- y <- c(1659799.4,2741065.6,652875.7) ##- x <- matrix(c(24950.79,34825.50,14387.05...

...** data ** demo ** inst ** preparing package for lazy loading ** help *** installing help indices ** building package indices ... ** testing if installed package can be loaded * DONE (misc3d) * installing *source* package ‘quadprog’ ... ** libs gfortran -fvisibility=hidden -fpic -O3 -pipe -g -c aind.f -o aind.o gcc -I/usr/share/R/include -fpic -std=gnu99 -O3 -pipe -g -c init.c -o init.o gfortran -fvisibility=hidden -fpic -O3 -pipe -g -ffloat-store -c -o solve.QP.compact.o solve.QP.compact.f gfortran -fvisibility=hidden -fpic -O3 -pipe -g -ffloat-store -c -o solve.QP.o solve.QP.f g...