ipopt_callback_df.m

matlab波形优化算法经常要用到的matlab toolbox工具箱:yalmip

function df = ipopt_callback_df(x,model)

global latest_x_f
global latest_df

x = x(:);
if isequal(x,latest_x_f)
    df = latest_df;
else
    [f,df] = fmincon_fun(x,model);
end