Polynomial interpolation to analytic functions can be very accurate, depending on the distribution of the interpolation nodes. However, in equispaced nodes and the like, besides being badly ...

SIAM Journal on Numerical Analysis, Vol. 39, No. 5 (2002), pp. 1780-1793 (14 pages) A problem of Hermite interpolation by polynomials of two variables is studied. The interpolation matches preassigned ...