Inversion of helioseismology data

Details Inversion of helioseismology data Inversion of helioseismology data

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...327..987j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 327, April 15, 1988, p. 987-992. NASA-supported research.

Statistics

Computation

11

Delta Function, Fredholm Equations, Helioseismology, Least Squares Method, Solar Oscillations, Solar Rotation, Algorithms, Computational Astrophysics

Scientific paper

The author examines the solar inverse problem from the vantage point of optimization theory. It is shown that a simple convex and quadratic objective function can be used to describe the problem. Since the objective function has such a simple form, very elementary, yet efficient optimization routines can be utilized. The advantages of this formulation of the problem over traditional approaches are: numerical speed, flexibility in information incorporated, and less sensitivity to round-off error. Several realistic simulations are presented.

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