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Symbolic algebra in theoretical seismology

The solution of those systems of partial differential equations which arise in elastic wave propagation can be aided in some respects by the use of symbolic algebra manipulations on a digital computer. A serious difficulty in the algebra is the lack of ability torecognize more than trivial simplifications. It is possible to manipulate Legendre and Bessel functions with confidence, but algebraic swell leads to exorbitant core requirements. Investigation of algebraic details of aspects of a problem in wave scattering is feasible.