Re: [R] finding complex roots in R

2010-09-16 Thread Toros Caglar
t; From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Ravi Varadhan > Sent: Thursday, September 16, 2010 3:52 PM > To: 'Toros Caglar'; r-help@r-project.org > Subject: Re: [R] finding complex roots in R > > Hi Toros, > > It is ac

Re: [R] finding complex roots in R

2010-09-16 Thread Ravi Varadhan
os Caglar'; r-help@r-project.org Subject: Re: [R] finding complex roots in R Hi Toros, It is actually quite easy to do this with existing real-root finders. If you want to solve for F(z) = 0, where z = x + iy, you simultaneously solve for the zeros of the real and imaginary part of F. Here

Re: [R] finding complex roots in R

2010-09-16 Thread Ravi Varadhan
n Behalf Of Toros Caglar Sent: Wednesday, September 15, 2010 11:33 PM To: r-help@r-project.org Subject: [R] finding complex roots in R I am looking for a way to find the roots of a non-polynomial expression. I know R has a few ways to deal with polynomials, but, I could not find a method that deals wi

[R] finding complex roots in R

2010-09-15 Thread Toros Caglar
I am looking for a way to find the roots of a non-polynomial expression. I know R has a few ways to deal with polynomials, but, I could not find a method that deals with functions involving e^(x) type arguments, that have complex roots as well as real roots. Any ideas? Thanks, Toros ___