siemens NX 8.5 co-simulation with matlab error

 Hi all

I am new user in Nx program and I am trying to connect Nx with Matlab

I followed tutorial video in youtube to do that http://www.youtube.com/watch?v=qubI820GgfE every thing works perfectly but when Itried to run "cosimlacion_Solution_1_Plant.m" function I got error

Error in cosimlacion_Solution_1_Plant (line 7) nx_client;

I am using

Nx 8.5 64bit

matlab 2012b 64bit

windows 7 64bit

can any on help me !!!!!!

thanks all

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