function [y] = hfun(x,t);% PURPOSE : Measurement model function.% INPUTS  : - x:  The evaluation point in the domain.% OUTPUTS : - y: The value of the function at x.% AUTHORS  : % DATE     : if nargin < 2, error('Not enough input arguments.'); endif t<=30  y = (x.^(2))/5; else  y = -2 + x/2; end;