| Robust pole assignment in linear state feedback J Kautsky, NK Nichols, P Van Dooren International Journal of control 41 (5), 1129-1155, 1985 | 1301 | 1985 |
| Approximate Gauss–Newton methods for nonlinear least squares problems S Gratton, AS Lawless, NK Nichols SIAM Journal on Optimization 18 (1), 106-132, 2007 | 227 | 2007 |
| Numerical computation of an analytic singular value decomposition of a matrix valued function A Bunse-Gerstner, R Byers, V Mehrmann, NK Nichols Numerische Mathematik 60 (1), 1-39, 1991 | 197 | 1991 |
| On the representation error in data assimilation T Janjić, N Bormann, M Bocquet, JA Carton, SE Cohn, SL Dance, ... Quarterly Journal of the Royal Meteorological Society 144 (713), 1257-1278, 2018 | 164 | 2018 |
| A singular vector perspective of 4D‐Var: Filtering and interpolation C Johnson, BJ Hoskins, NK Nichols Quarterly Journal of the Royal Meteorological Society: A journal of the …, 2005 | 159 | 2005 |
| Regularization of descriptor systems by derivative and proportional state feedback A Bunse-Gerstner, V Mehrmann, NK Nichols SIAM journal on matrix analysis and applications 13 (1), 46-67, 1992 | 159 | 1992 |
| Are patterns of growth adaptive? R Sibly, P Calow, N Nichols Journal of theoretical biology 112 (3), 553-574, 1985 | 158 | 1985 |
| Eigenstructure assignment in descriptor systems L Fletcher, J Kautsky, N Nichols IEEE Transactions on Automatic Control 31 (12), 1138-1141, 1986 | 156 | 1986 |
| Unbiased ensemble square root filters DM Livings, SL Dance, NK Nichols Physica D: Nonlinear Phenomena 237 (8), 1021-1028, 2008 | 153 | 2008 |
| Assimilation of data into an ocean model with systematic errors near the equator MJ Bell, MJ Martin, NK Nichols Quarterly Journal of the Royal Meteorological Society: A journal of the …, 2004 | 145 | 2004 |
| Duality, observability, and controllability for linear time-varying descriptor systems SL Campbell, NK Nichols, WJ Terrell Circuits, Systems and Signal Processing 10 (4), 455-470, 1991 | 138 | 1991 |
| Robust eigenstructure assignment in quadratic matrix polynomials: nonsingular case NK Nichols, J Kautsky SIAM Journal on Matrix Analysis and Applications 23 (1), 77-102, 2001 | 130 | 2001 |
| Feedback design for regularizing descriptor systems A Bunse-Gerstner, R Byers, V Mehrmann, NK Nichols Linear algebra and its applications 299 (1-3), 119-151, 1999 | 120 | 1999 |
| Robust pole assignment in singular control systems J Kautsky, NK Nichols, EKW Chu Linear Algebra and its Applications 121, 9-37, 1989 | 119 | 1989 |
| Correlated observation errors in data assimilation LM Stewart, SL Dance, NK Nichols International journal for numerical methods in fluids 56 (8), 1521-1527, 2008 | 115 | 2008 |
| On the convergence of two-stage iterative processes for solving linear equations NK Nichols SIAM Journal on Numerical Analysis 10 (3), 460-469, 1973 | 114 | 1973 |
| Regularization of descriptor systems by output feedback A Bunse-Gerstner, V Mehrmann, NK Nichols IEEE transactions on Automatic Control 39 (8), 1742-1748, 1994 | 110 | 1994 |
| Analytic benchmark solutions for open-channel flows I MacDonald, MJ Baines, NK Nichols, PG Samuels Journal of Hydraulic Engineering 123 (11), 1041-1045, 1997 | 107 | 1997 |
| Equidistributing meshes with constraints J Kautsky, NK Nichols SIAM Journal on Scientific and Statistical Computing 1 (4), 499-511, 1980 | 104 | 1980 |
| Mathematical concepts of data assimilation NK Nichols Data assimilation, 13-39, 2010 | 97 | 2010 |
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