Research Output per year

## Personal profile

### Education/Academic qualification

PHD, University of Cambridge

… → 1985

BS, University of Durham

… → 1980

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## Research Output 1989 2019

## Comment on “Three-dimensional potential field data inversion with L0 quasinorm sparse constraints” by Z. Meng, Geophysical Prospecting 66, 626–646

Vatankhah, S. & Renaut, R., Feb 1 2019, In : Geophysical Prospecting. 67, 2, p. 480-481 2 p.Research output: Contribution to journal › Letter

## IGUG: A MATLAB package for 3D inversion of gravity data using graph theory

Vatankhah, S., Ardestani, V. E., Niri, S. S., Renaut, R. & Kabirzadeh, H., Jul 1 2019, In : Computers and Geosciences. 128, p. 19-29 11 p.Research output: Contribution to journal › Article

## Unbiased predictive risk estimation of the Tikhonov regularization parameter: convergence with increasing rank approximations of the singular value decomposition

Renaut, R., Helmstetter, A. W. & Vatankhah, S., Jan 1 2019, In : BIT Numerical Mathematics.Research output: Contribution to journal › Article

## A fast algorithm for regularized focused 3D inversion of gravity data using randomized singular-value decomposition

Vatankhah, S., Renaut, R. & Ardestani, V. E., Jul 1 2018, In : Geophysics. 83, 4, p. G25-G34Research output: Contribution to journal › Article

## Total variation regularization of the 3-D gravity inverse problem using a randomized generalized singular value decomposition

Vatankhah, S., Renaut, R. & Ardestani, V. E., Apr 1 2018, In : Geophysical Journal International. 213, 1, p. 695-705 11 p.Research output: Contribution to journal › Article

## Projects 1998 2021

## Approximate singular value expansions and solutions of ill-posed problems

National Science Foundation (NSF)

7/1/19 → 6/30/21

Project: Research project

## Intergovernmental Personnel Act (IPA) Assignment

National Science Foundation (NSF)

9/22/14 → 9/21/17

Project: Research project

## Collaborative Research: Computational techniques for nonlinear joint inversion

National Science Foundation (NSF)

7/1/14 → 9/30/18

Project: Research project

## International Conference on High Order and Spectral Methods Participant costs:2014

DOD-NAVY: Office of Naval Research (ONR)

6/15/14 → 9/1/15

Project: Research project

## Participant expenses: International Conference on Spectral and High Order Methods 2014

DOD-USAF-AFRL: Air Force Office of Scientific Research (AFOSR)

6/1/14 → 5/31/15

Project: Research project