Re: [R] non-linear fourth-order differential equations

Hi Yanika, more information about deSolve (books, papers, tutorials) can be found on the deSolve homepage: http://desolve.r-forge.r-project.org and, of course, in the package documentations. If you need further help from the list, please provide a short reproducible example. Thomas Petzold

Re: [R] non-linear fourth-order differential equations

a Borg To: r-help@r-project.org Subject: [R] non-linear fourth-order differential equations Message-ID: Content-Type: text/plain; charset=ISO-8859-1 I need to solve a system of non-linear fourth-order differential equations. Is there a command which solves this system

Re: [R] non-linear fourth-order differential equations

Hi Ravi, Thank you for your correction. I hope I didn't mess up anything:) Cheers. Wu - A R learner. -- View this message in context: http://r.789695.n4.nabble.com/non-linear-fourth-order-differential-equations-tp3062805p3063761.html Sent from the R help mailing list archive at Nabble.co

Re: [R] non-linear fourth-order differential equations

elp-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Wu Gong Sent: Sunday, November 28, 2010 6:31 PM To: r-help@r-project.org Subject: Re: [R] non-linear fourth-order differential equations Hi Yanika, Please try ?uniroot and ?ployroot f <- function(x) x^4-16 uniroot(f, lo

Re: [R] non-linear fourth-order differential equations

Hi Yanika, Please try ?uniroot and ?ployroot f <- function(x) x^4-16 uniroot(f, lower= -3, upper=0) polyroot(c(-16,0,0,0,1)) - A R learner. -- View this message in context: http://r.789695.n4.nabble.com/non-linear-fourth-order-differential-equations-tp3062805p3062894.html Sent from the R

[R] non-linear fourth-order differential equations

I need to solve a system of non-linear fourth-order differential equations. Is there a command which solves this system? Thanks in advance. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guid