Robust pole assignment in linear state feedback J Kautsky, NK Nichols, P Van Dooren International Journal of control 41 (5), 1129-1155, 1985 | 1401 | 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 | 320 | 2007 |
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 | 317 | 2018 |
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, 1-39, 1991 | 241 | 1991 |
Unbiased ensemble square root filters DM Livings, SL Dance, NK Nichols Physica D: Nonlinear Phenomena 237 (8), 1021-1028, 2008 | 170 | 2008 |
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 | 169 | 1992 |
Are patterns of growth adaptive? R Sibly, P Calow, N Nichols Journal of theoretical biology 112 (3), 553-574, 1985 | 164 | 1985 |
Eigenstructure assignment in descriptor systems L Fletcher, J Kautsky, N Nichols IEEE Transactions on Automatic Control 31 (12), 1138-1141, 1986 | 163 | 1986 |
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 | 153 | 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 | 141 | 1991 |
Correlated observation errors in data assimilation LM Stewart, SL Dance, NK Nichols International journal for numerical methods in fluids 56 (8), 1521-1527, 2008 | 137 | 2008 |
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 | 132 | 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 | 132 | 1999 |
Analytic benchmark solutions for open-channel flows I MacDonald, MJ Baines, NK Nichols, PG Samuels Journal of Hydraulic Engineering 123 (11), 1041-1045, 1997 | 125 | 1997 |
Mathematical concepts of data assimilation NK Nichols Data assimilation: making sense of observations, 13-39, 2010 | 119 | 2010 |
On the convergence of two-stage iterative processes for solving linear equations NK Nichols SIAM Journal on Numerical Analysis 10 (3), 460-469, 1973 | 119 | 1973 |
Data assimilation with correlated observation errors: experiments with a 1-D shallow water model LM Stewart, SL Dance, NK Nichols Tellus A: Dynamic Meteorology and Oceanography 65 (1), 19546, 2013 | 118 | 2013 |
Robust pole assignment in singular control systems J Kautsky, NK Nichols, EKW Chu Linear Algebra and its Applications 121, 9-37, 1989 | 118 | 1989 |
Regularization of descriptor systems by output feedback A Bunse-Gerstner, V Mehrmann, NK Nichols IEEE transactions on Automatic Control 39 (8), 1742-1748, 1994 | 114 | 1994 |
Equidistributing meshes with constraints J Kautsky, NK Nichols SIAM Journal on Scientific and Statistical Computing 1 (4), 499-511, 1980 | 108 | 1980 |