Re: [R] integrate function

2004-08-26 Thread Jari Oksanen
On Wed, 2004-08-25 at 23:44, Peter Dalgaard wrote: Ronaldo Reis Jr. [EMAIL PROTECTED] writes: Is possible to integrate this diferential equation: dN/dt = Nr(1-(N/K)) in R using the integrate() function? No. However, you could use N = K/(1 + exp(log((K-N0)/K) -r*t)), where

RE: [R] integrate function

2004-08-26 Thread Wayne Jones
be interested in http://www.stats.gla.ac.uk/~simon/simon/ddefit.html Regards Wayne Jones -Original Message- From: Ronaldo Reis Jr. [mailto:[EMAIL PROTECTED] Sent: 25 August 2004 21:02 To: R-Help Subject: [R] integrate function Is possible to integrate this diferential equation: dN/dt

[R] integrate function

2004-08-25 Thread Ronaldo Reis Jr.
Is possible to integrate this diferential equation: dN/dt = Nr(1-(N/K)) in R using the integrate() function? Or any other diferential equation? If yes, how? If no, anybody know any software on linux that make this? Inte Ronaldo -- O problema de ter os dois pés bem firmes no chão é que você

Re: [R] integrate function

2004-08-25 Thread Peter Dalgaard
Ronaldo Reis Jr. [EMAIL PROTECTED] writes: Is possible to integrate this diferential equation: dN/dt = Nr(1-(N/K)) in R using the integrate() function? No. Or any other diferential equation? Only if the right hand side does not depend on the dependent variable (N in this case) -- just