function eps = misfit_extended(time_steps,pdf_tuts,pdf_tu,x)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%
%%% auxilliary function with one extra parameter to optimise
%%%
%%% x: extended vector of parameters to optimise made up of pdf_ts and w
%%% (weight factor in the main misfit function -- see the relevant module) 
%%%
%%% Dmitry Yumashev, 21/11/2019
%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

pdf_ts = x(1:end-1); % all parameters to optimise but the last one
w = x(end); % the last parameter to optimise = weight between two distributions in the misfit function

eps = misfit(time_steps,pdf_tuts,pdf_tu,pdf_ts,w);


end