Reports 2000

NA2000/14
M.J.D. Powell
"UOBYQA: unconstrained optimization by quadratic approximation"

NA2000/13
S. Blanes and P.C. Moan
"Practical Symplectic Partitioned Runge-Kutta and Runge-Kutta-Nyström Methods"

NA2000/12
A. Iserles
"A Magnus expansion for the equation Y'=AY-YB"

NA2000/11
A. Iserles
"On the global error of discretization methods for highly-oscillatory ordinary differential equations"

NA2000/10
M.J.D. Powell
"On the Lagrange functions of quadratic models that are defined by interpolation"

NA2000/09
A. Bejancu
"Polyharmonic spline interpolation on a semi-space lattice"

NA2000/08
A. Bejancu
"A new approach to semi-cardinal spline interpolation"

NA2000/07
S. Blanes, F. Casas & J. Ros
"High order optimized geometric integrators for linear differential equations"

NA2000/06
A. Iserles
"Numerical analysis in Lie groups"

NA2000/05
S. Blanes
"High Order Numerical Integrators for Differential Equations using Composition and Processing of low Order Methods"

NA2000/04
H.-M. Gutmann
"On the semi-norm of radial basis function interpolants"

NA2000/03
A. Iserles, H.Z. Munthe-Kaas, S.P. Norsett & A. Zanna
"Lie-group methods"

NA2000/02
R. Hauser
"Self-Scaled Barriers for Semidefinite Programming"

NA2000/01
A. Bejancu
"On the accuracy of surface spline approximation and interpolation to bump functions"