I can't reproduce the problem here. I will try run the program with someone who uses the R2010 version and see whats going on.
??? Undefined function or method 'nsctdec' for input arguments of type
Error in ==> ProcesaM>BotonProcesar_Callback at 128
coeffs = nsctdec( double(handles.im), nlevels, dfilter, pfilter );
Error in ==> gui_mainfcn at 96
Error in ==> ProcesaM at 42
??? Error while evaluating uicontrol Callback