Hello,
 
I want to solve some two dimensional equation system with R. Some systems
are not solvable analytically.
 
Here is an example:
 
(I)        1/n*sum{from_i=1_to_n}(Xi) = ln lambda + digamma(c)
 
(II)        mean(X) = x / lambda
 
I want to find lambda and c,
 
which R-function could do that task?
 
Carsten

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