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  1. C

    dual quaternion displacement in the Z direction by 167 and rotate 10 degrees

    can someone help show me an example on how to use quaternion slerp to displace the position 64,0,0 in the Z direction by 167 and rotate 10 degrees? Ive seen many many papers that show: [cos(Θ/2),nsin(Θ/2)][0,0,0,0]∗[1,0,0,0][0,tx/2,ty/2,tz/2] and the formula to multiply these 2...
  2. C

    need help finding 3rd set of coordinates to a right triangle

    Im trying to find the 3rd set of coordinates when I know the other two coordinates and I know the lengths of 2 sides - example: If I had a right triangle "a,b,c" and I know angle b is 90°, I know the length of ab is .89, I know the length of bc is .5, I know the coordinates of a are (1,7)...
  3. C

    Need help calculating origin of a circle.

    how do I calculate the origin of a circle along a horizontal plane where the circle contacts an arc.... see this picture - if I know the (x,y) of points 1, 2 & 3 and I know the (x,y) of any point along the arc and I know the diameter of the circle is it possible to calculate the (x,y) of the...
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