| http://www.w3.org/ns/prov#value | - In this case, and in general, the requirement that the potential is a minimum means that the potential matrix B, like the kinetic energy matrix A, is real and positive definite. 9.1 Typical oscillatory systems We now introduce particular examples, although the results of this section are general, given the above restrictions, and the reader will find it easy to apply the results to many other inst
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