function Result = Derivator(x,y) %Derivator Derivates Y and X % Derivates the given two array numerically, T values are x and H values % are y sizeH = size(y); if(sizeH(1) > sizeH(2)) sizeH = sizeH(1); else sizeH = sizeH(2); end for i=1:sizeH if(i==1) D(i) = y(i)/x(i); else D(i)=(y(i)-y(i-1))/(x(i)-x(i-1)); end Result = D; end