> Hi there,
> I would like to solve the following equation in R to estimate 'a'. I have
> the amp, d, x and y.
> amp*y^2 = 2*a*(1-a)*(-a*d+(1-a)*x)^2
> test data:
> amp = 0.2370 y=
> 0.0233 d=
> 0.002 x=
> Can anyone suggest how I can set this up?