Re: [R] Ask for help with Error: Object not found

2010-09-20 Thread Duncan Murdoch
On 20/09/2010 3:07 PM, Tianchan Niu wrote: Dear All, I am trying to use ode solver "rk4" to solve an ODE system, however, it keeps saying: Error in eval(expr, envir, enclos) : object "dIN" not found. The sample codes are enclosed as follows, please help me. Thank you very much! rm(list=ls(

[R] Ask for help with Error: Object not found

2010-09-20 Thread Tianchan Niu
Dear All, I am trying to use ode solver "rk4" to solve an ODE system, however, it keeps saying: Error in eval(expr, envir, enclos) : object "dIN" not found. The sample codes are enclosed as follows, please help me. Thank you very much! rm(list=ls()) library(odesolve) # The ODE syste