I am trying to drive a new robust estimator for the parameters of Generalized Extreme Value Distribution function. I came across this equation for which I need to make t the subject of the formula. the equation is Y = \frac{1}{\e^{kt}(1 - B^{-t})(1-2^-{t} )}, , with e an exponent function k, B and Y constants.
This is an implicit equation in t, which can't be explicitly expressed as an expression in other parameters, so it can be represented in the following form (see attached image) that can be numerically solved by iterative methods like (Fixed Point Iteration) see chapter two in the following text book that has algorithms to solve such problems.