function df_dx = dlintf_snn(x0,f0)%DLINTF_SNN Linear transfer derivative function.%%  Syntax%%   df_dx = dlintf_snn(x0,f0)%   df_dx = dlintf_snn(x0)%%  Description%%   DLINTF_SNN is the derivative function for LINTF_SNN(x).%%   DLINTF_SNN(x0,f0) takes two arguments,%     x0 - input of LINTF_SNN.%     f0 - output of LINTF_SNN (optional).%   and returns %     df_dx the derivative of LINTF_SNN(x) in x0. %%  See also %%   LINTF_SNN.%%if (nargin == 1)%   f0 = lintf_snn(x0);%enddf_dx = ones(size(x0));