FAQ question: Inverse Kinematics

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Ayman Habib
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FAQ question: Inverse Kinematics

Post by Ayman Habib » Thu Sep 13, 2007 4:42 pm

What algorithm is used for solving the inverse kinematics problem in OpenSim?
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Ayman Habib
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RE: FAQ question: Inverse Kinematics

Post by Ayman Habib » Fri Sep 14, 2007 8:46 am

The inverse kinematics solution minimizes a weighted sum of squared errors using IPOPT, a non-linear optimizer.
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ahsan wattoo
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Re: FAQ question: Inverse Kinematics

Post by ahsan wattoo » Fri Feb 27, 2015 3:24 am

At what stage are things breaking down- scale, inverse kinematics? If in IK, we have a known bug in 1.0 that the IK Anaylsis Tool is not correctly writing out the setup file (missing an importnat tag) when it is created new in the GUI. The work around is to load an existing _Setup_IK.xml file, change it to match your model/data and then save it. Please let us know if this is the case. Thank you for your patience.
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