简介:Itisfoundthattheopencompositetrapezoidalformulaearethebestquadratureformulaeunderthreedifferentsenses.
简介:1.IntroductionAssumethatwearefindingtheminimizerofthefollowingunconstrainedoptimizationproblemminf(x),(1.1)acReandassumethecurrentpointisxk’TOcalculatexk+1fromxkbyalinesearchmethod,thefollowingiterationXk+1~Xk+Akpk,k~1,2,’’’(1.2)isapplied.IntheBFGSal...