Leite,Walter wrote: > Dear R users > > > I am trying to write an R function to solve for a,b,c in the following > system of equations, given any value of x1, x2 and x3: > b^2 + 6*b*a + 2*c^2 + 15*a^2 = x1 > 2*c*(b^2 + 24*b*a + 105*a^2 + 2) = x2 > 24*(b*a + c^2*(1 + b^2 + 28*b*a) + a*(12 + 48 *b*a + 141*c^2 + 225*a^2)) > =x3 > > Could you give me suggestions about which R function(s) I can use to > solve this problem and how I should use these functions? > Thank you very much for your assistance, > > Walter Leite > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
R itself cannot calculate symbolically (which is what you want to do it in this case, I guess), "just" numerically. Uwe Ligges ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
