SIAM Journal on Numerical Analysis, Vol. 15, No. 5 (Oct., 1978), pp. 1008-1029 (22 pages) In the rational Padé approximation to exp (-q), q ϵ ℂ, the parameters in the numerator and denominator are ...

Multivariate approximation in Hilbert spaces is a rapidly evolving field that addresses the challenges of approximating functions of several variables in settings ...