How can I use matlab functions of the 2011 version in the 2014 version?

I have installed matlab 2011, and I use it to minimize a function with fminunc but when I minimize the same function in matlab 2014 (on another computer) I get an error message. ¿Has anyone had a similar problem with the newer versions? Could you please guide me how to resolve this problem?

I thought to use the optimization functions of the 2011 version in the 2014 version, something like an addpath, but I do not know how to do this.

I attached my files, the program I want to run is modelo_dsge, as you can see there, it invokes the function posterior_hod: fminunc(@posterior_hod,parameters)

Thank you Sorry for my english Aldo

[Steven Lord]

What is the exact text of the error message?

Answer 1

[John D'Errico]

You cannot use an older release toolbox with a newer MATLAB version. Period.

If you do not have the comparative release of that toolbox, you cannot use fminunc.