[R] nonlinear equation solver?

[Spencer Graves]

You may also wise to consider a book on nonlinear regression such as 
Bates and Watts (1988) Nonlinear Regression Analysis and Its 
Applications (Wiley).

hope this helps. spencer graves

Murray Jorgensen wrote:
> For this equation you are out of luck as log(z) < z for all positive z's 
> (such as t^2). More generally you should consult a numerical analysis 
> textbook for advice on the solution of nonlinear equations. There you 
> will read about many algorithms in common use by statisticians.
> 
> Murray Jorgensen
> 
> Wang, Zhu wrote:
> 
>> Dear R-Help,
>>  
>> I am trying to use R to solve a nonlinear equation many times for 
>> different values. I am looking for a mathematical nonlinear equation 
>> solution which may not have a closed solution form. For example, I 
>> have equation:
>> 2 = (t^2)/log(t)
>> What is t?
>>  
>> I am wondering how to solve it in R.
>> Many thanks,
>>  
>> Zhu Wang
>>  
>> Statistical Science Department
>> SMU.
>>
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>