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Computer Animation
book

Computer Animation

by Rick Parent
August 2001
Intermediate to advanced
552 pages
24h 29m
English
Morgan Kaufmann
Content preview from Computer Animation
200
c
H
a v T F. R 4:
Advanced Algorithms
Joint 1
Joint 2
Motions induced
by joint
articulation
Joint 3
Goal ~N~ End Effector
desired motion
Figure 4.22 Simple example of a singular configuration
In this case, the Jacobian is not a square matrix and there are an infinite number of
solutions to the inverse kinematics problem. Because the Jacobian is not square, a
conventional inverse does not exist. Instead, the
pseudo inverse,
J+, can be used
(Equation
4.19). Equation 4.19
works because a matrix multiplied by its own
transpose will be a square matrix.
V- JO
jTV- jTjo
(jTj )-IjTv = (jTj )-IjTjo
/ + V = 0
(,=q. ...
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Publisher Resources

ISBN: 9780080502502