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We consider solving three-dimensional electromagnetic problems in parameter regimes where the quasi-static approximation applies, the permeability is constant, the conductivity may vary… (More)

We develop a methodology to invert two different data sets with the assumption that the underlying models have a common structure. Structure is defined in terms of absolute value of curvature of the… (More)

We have developed an open source 3D, MATLAB based, resistivity inversion package. The forward solution to the governing partial differential equation is efficiently computed using a second-order… (More)

We present a general formulation for inverting frequencyor time-domain electromagnetic data using an all-at-once approach. In this methodology, the forward modeling equations are incorporated as… (More)

- dam Pidlisecky, Eldad Haber, Rosemary Knight
- 2007

We have developed an open source 3D, MATLAB based, resistivity inversion package. The forward solution to the governing partial differential equation is efficiently computed using a second-order… (More)

This paper discusses the inversion of nonlinear ill-posed problems. Such problems are solved through regularization and iteration and a major computational problem arises because the regularization… (More)

- Eldad Haber
- 2005

We develop quasi-Newton (QN) methods for distributed parameter estimation problems which evolve from electromagnetics, where the forward problem is governed by some form of Maxwell's equations. A… (More)

s, 2008 November 9–14, Las Vegas, Nevada, pp. 760–764. Commer, M. & Newman, G.A., 2008. New advances in three-dimensional controlled-source electromagnetic inversion, Geophys. J. Int., 172(2),

SUMMARY We develop an algorithm to model the magnetometric resistivity (MMR) response over an arbitrary 3-D conductivity structure and a method for inverting surface MMR data to recover a 3-D… (More)

As motivation for considering new electromagnetic techniques for hydraulic fracture monitoring, we develop a simple financial model for the net present value offered by geophysical characterization… (More)