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Questions tagged [matrix]

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Inverse Kinematics, indicate if multiple soltuions exist using a matrix

I'm trying to practice inverse kinematics and I'm having a really tough time understanding how you can indicate if multiple solutions exist just using a matrix. I also don't know how I would indicate ...
Tom's user avatar
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Aligning accelerometer readings with vehicle's frame of reference

I have a device with an accelerometer installed in a vehicle. Its orientation in relation to the vehicle is unknown. So I am looking for a reliable way to align the coordinate system of the ...
user2632002's user avatar
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Finding 6 angles for UR5 a 6Dof Robot

I am looking for a method to find 6 rotation angles for the 6DOF, 6joint, 5 link UR5 robot. these angles would be used to control UR5 through ROS but unfortunately I cant find any way to find these ...
umar anjum's user avatar
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IK Jacobian is always a singular matrix

I am trying to solve an inverse kinematics equation for 6DOF system, 3 rotation and 3 prismatic joints. I am trying to solve using perturbation method, by adjusting each joint and calculating the ...
Mich's user avatar
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The modulus of each columns of the rotation matrix is

The modulus of each columns of the rotation matrix is 1, 0.5, 0.866 or 1.366 which one is correct?
Abhijeet's user avatar