How to call a function in "matlab script"

Hellow!
I am using Matlab scrip to make some matlab program in Labview,but i find when i try to call a matlab function like"myfun.m",it will ouput error message"undefined command myfun. So what should i do to call function in matlab script? thanks!

Happybird,
Do you have MATLAB installed on the computer?  LabVIEW makes calls
to MATLAB to run the script node.  If so, make sure that you have
launched MATLAB and then launch LabVIEW.  Once you have tried
that, <a
href="http://digital.ni.com/public.nsf/websearch/4475BC3CEB062C9586256D750058F14B?OpenDocument">KB
300A6NDT</a> might be helpful.  Hope this information helps!
Andy F.
National Instruments

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

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