OPERATOR NORM AND ERROR BOUNDS FOR INTERPOLATING QUADRATIC SPLINES ON A NON-UNIFORM TYPE-2 TRIANGULATION OF A RECTANGULAR DOMAIN

(整期优先)网络出版时间:1994-02-12
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TheaimofthispaperistogiveupperboundsofthenormoftheoperatorandassociatederrorforaLagrangeinterpolationproblembyC~1quadraticsplines.Thedomainisrectangularandthetype-2triangulationisnon--uniform.Moreoverthelocationofdatapointsallowsaverysimplecompationoftheinterpolant.