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Nancy K Nichols
Nancy K Nichols
Professor of Applied Mathematics, University of Reading
Dirección de correo verificada de reading.ac.uk - Página principal
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Robust pole assignment in linear state feedback
J Kautsky, NK Nichols, P Van Dooren
International Journal of control 41 (5), 1129-1155, 1985
13751985
Approximate Gauss–Newton methods for nonlinear least squares problems
S Gratton, AS Lawless, NK Nichols
SIAM Journal on Optimization 18 (1), 106-132, 2007
2952007
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
2902018
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
2311991
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
1862005
Unbiased ensemble square root filters
DM Livings, SL Dance, NK Nichols
Physica D: Nonlinear Phenomena 237 (8), 1021-1028, 2008
1662008
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
1661992
Are patterns of growth adaptive?
R Sibly, P Calow, N Nichols
Journal of theoretical biology 112 (3), 553-574, 1985
1631985
Eigenstructure assignment in descriptor systems
L Fletcher, J Kautsky, N Nichols
IEEE Transactions on Automatic Control 31 (12), 1138-1141, 1986
1591986
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
1532004
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
1401991
Correlated observation errors in data assimilation
LM Stewart, SL Dance, NK Nichols
International journal for numerical methods in fluids 56 (8), 1521-1527, 2008
1302008
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
1291999
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
1282001
Analytic benchmark solutions for open-channel flows
I MacDonald, MJ Baines, NK Nichols, PG Samuels
Journal of Hydraulic Engineering 123 (11), 1041-1045, 1997
1231997
Mathematical concepts of data assimilation
NK Nichols
Data assimilation: making sense of observations, 13-39, 2010
1172010
On the convergence of two-stage iterative processes for solving linear equations
NK Nichols
SIAM Journal on Numerical Analysis 10 (3), 460-469, 1973
1161973
Robust pole assignment in singular control systems
J Kautsky, NK Nichols, EKW Chu
Linear Algebra and its Applications 121, 9-37, 1989
1151989
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
1132013
Regularization of descriptor systems by output feedback
A Bunse-Gerstner, V Mehrmann, NK Nichols
IEEE transactions on Automatic Control 39 (8), 1742-1748, 1994
1131994
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