Reports 1998

NA1998/14
Antonella Zanna
"The Fer expansion and time-symmetry: a Strang-type approach"

NA1998/13
Yunkang Liu
"Calculation of discrete relaxation modulus and creep compliance in rheology"

NA1998/12
S. Faltinsen
"Backward error analysis for Lie-group methods"

NA1998/11
P.C. Moan
"Efficient approximation of Sturm-Liouville problems using Lie-group methods"

NA1998/10
C.J. Budd and A. Iserles
"Geometric integration: Numerical solution of differential equations on manifolds"

NA1998/09
V. Shapiro and M. Sabin
"Modifications in Cellular Modelling"

NA1998/08
A.C. Faul and M.J.D. Powell
"Proof of convergence of an iterative technique for thin plate spline interpolation in two dimensions"

NA1998/07
A. Iserles
"Lie groups and the computation of invariants"

NA1998/06
A. Iserles, S.P. Norsett and A.F. Rasmussen
"Time-symmetry and high-order Magnus methods"

NA1998/05
M.J.D. Powell
"Recent research in Cambridge on radial basis functions"

NA1998/04
M.J.D. Powell
"Direct search algorithms for optimization calculations"

NA1998/03
Elena Celledoni and Arieh Iserles
"Approximating the exponential from a Lie algebra to a Lie group"

NA1998/02
Arieh Iserles, Arne Marthinsen and Syvert Norsett
"On the implementation of the method of Magnus series for linear differential equations"

NA1998/01
Yunkang Liu
"Projected Runge-Kutta methods for differential equations on matrix Lie groups"