简介:AgeneralizedGauss-typequadratureformulaisintroduced,whichassistsinselectionofcollocationpointsinpseudospectralmethodfordifferentialequationswithtwo-pointderiva-tiveboundaryconditions.SomeresultsontherelatedJacobiinterpolationareestablished.Apseu-dospectralschemeisproposedfortheKuramoto-Sivashiskyequation.Askewsymmetricdecompo-sitionisusedfordealingwiththenonlinearconvectionterm.Thestabilityandconvergenceoftheproposedschemeareproved.Theerrorestimatesareobtained.Numericalresultsshowtheeffi-ciencyofthisapproach.