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Project 4-I
Homework 4

Quaternion operations

(Material for lect. 19 (10/24/2002)
rotator.m, quaternion.m, rotate.m, quatconj.m, quatmul.m, cycloid.m, rotmat.m, octa.m, planet.m, spring.m, spring2.m, spring3.m, magnets.m, animate.m,