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hmg0115 08-07-2014 07:00 AM

Muscle recruitment solver problem
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my name is hmg and I am new at AnyBody. To calculate the driver‘s force, I try to make an “Driver Model” based on the “SeatedModel”. But if I let the “InverseDynamics” run I get this Error:
ERROR(OBJ.MCH.MUS4) : D:/w..t/AMS/A..t/A..0/A..n/E..s/0..5/Driver.main.any : Study.InverseDynamics : Muscle recruitment solver : solver aborted due to singular KKT matrix

Can anyone tell me what this ERROR means and how to eliminate it?
I am using AMS 4.0 .
Best regards

mkjung9980 08-11-2014 12:32 PM


This is the self-supported forum where you can't expect our official support.
And I would like to kindly ask you not to make several posts at the same time.

Best regards,

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