# THE ADJOINT METHOD APPLIED TO TIME-DISTANCE HELIOSEISMOLOGY

@inproceedings{Hanasoge2011THEAM, title={THE ADJOINT METHOD APPLIED TO TIME-DISTANCE HELIOSEISMOLOGY}, author={Shravan M. Hanasoge and Aaron S. Birch and Laurent Gizon and Jeroen Tromp}, year={2011} }

For a given misfit function, a specified optimality measure of a model, its gradient describes the manner in which one may alter properties of the system to march toward a stationary point. The adjoint method, arising from partial-differential-equation-constrained optimization, describes a means of extracting derivatives of a misfit function with respect to model parameters through finite computation. It relies on the accurate calculation of wavefields that are driven by two types of sources… CONTINUE READING

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