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math.NA2019★ 19 cited
Multivariate Rational Approximation
Anthony P. Austin, Mohan Krishnamoorthy, Sven Leyffer +3
We present two approaches for computing rational approximations to multivariate functions, motivated by their effectiveness as surrogate models for high-energy physics (HEP) applic…
math.NA2019
Simultaneous Sensing Error Recovery and Tomographic Inversion Using an Optimization-based Approach
Anthony P. Austin, Zichao Wendy Di, Sven Leyffer +1
Tomography can be used to reveal internal properties of a 3D object using any penetrating wave. Advanced tomographic imaging techniques, however, are vulnerable to both systematic…