function syms_frac = ss2tf_fraction_from_NUM_DEN(NUM,DEN, s) %ss2tf_fraction_from_NUM_DEN Creates a fraction from the NUM and DEN %vectors and the symbolic variable s syms numerator(s) syms denominator(s) syms func(s) numerator(s) = 0; denominator(s) = 0; num_power = length(NUM); den_power = length(DEN); for i = 1:num_power numerator(s) = numerator(s)+NUM(i)*s^(num_power-i); end for i = 1:den_power denominator(s) = denominator(s)+DEN(i)*s^(den_power-i); end syms_frac = numerator/denominator; end