No. I was not looking for an answer to that question. I wasn't clear :-) I already code using Octave and R to solve ML algorithms.
I am trying to understand how R packages can help us to solve such equations using LU decomposition etc. The question was about using R with these math algorithms. Mohan On Mon, Sep 8, 2014 at 12:31 AM, Rui Barradas <ruipbarra...@sapo.pt> wrote: > Hello, > > Inline. > > Em 07-09-2014 09:54, Mohan Radhakrishnan escreveu: > >> Hi, >> I code R to parse data but not for solving equations. So this is >> my first such problem. It is a programming puzzle. >> >> I have these two equations. >> >> 1) 4x - 3w = 0 >> 2) 8x - 7w =0 >> >> I know the value of x and w for >> >> equation 1). x = 3 and w = 4 >> equation 2). x = 7 and w = 8 >> > > Why? Any of those equations defines a straight line, not a point. Those > two points are just one of the infinitely many solutions. > > Your equations are equivalent to > eq1) w = 4/3x > eq2) w = 8/7x > > the equations of straight lines passing through the origin (no independent > term). > > >> I also know how to write more equations based on data available in the >> puzzle. >> >> How do I solve a set of such equations ? I need to find out the values of >> x >> and w for each such equation. >> > > There are packages to solve simultaneous equations but I've never used > them. > > Hope this helps, > > Rui Barradas > >> >> I know that here the equations are simple because the puzzle can be >> simplfied. >> >> >> Thanks, >> Mohan >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/ >> posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
