[R] Finding solution for non-linear equations

[Bert Gunter]

Homework?

We don't do homework here.

Otherwise, the answer is yes, R can be used to do this.

Cheers,
Bert

On Tue, Oct 15, 2013 at 6:24 AM, Ron Michael <ron_michael70 at yahoo.com> wrote:
> Hi,
>
> I need to solve following simultaneous equations for A, B, Y1, Y2:
>
> B * Phi(Y1 - A) + (1-B) * Phi(Y1 + A) = 0.05
> B * Phi(Y2 - A) + (1-B) * Phi(Y2 + A) = 0.01
>
> Y1 <= -1.65
> Y2 >= -2.33
>
> 0 <= B <=1
>
> Phi is CDF for standard normal
>
> If there is no unique solution, then I should be able to get some feassible solution(s)
>
> Is there any way that using R I can achieve that?
>
> Thanks for your time
>
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

(650) 467-7374