is not a valid option for IDHELP. The usage is IDHELP OPT, where OPT is one of:\n DATA, FRD, LINMODEL, NLMODEL, EVALU

[fyousefi]

is not a valid option for IDHELP. The usage is IDHELP OPT, where OPT is one of:\n DATA, FRD, LINMODEL, NLMODEL, EVALUATE, ADVICE, or NOTE for basic use of the toolbox, \n IOBB, SSBB, SSCT, CTM, SSSTRUC or CHANNEL for information on model structures and channels.