简介:Anecessaryandsufficientconditionofregularityof(0,1,…,m-2,m)interpolationonthezerosof(1-x)Pn-1α,β(x)(α>-1,β≥-1)inamanageableformisestablished,wherePn-1α,β(x)standsforthe(n-1)thJacobipolynomial.Meanwhile,theexplicitrepresentationofthefundamentalpolynomialswhentheyexist,isgiven.
简介:SINGULARITYANDQUADRATUREREGULARITYOF(0,1,...,m-2,m)─INTERPOLATIONONTHEZEROSOF(1-x)Pn-1αβ(x)ShiYingguang(史应光)(ComputingCe...
简介:Itisoftenstatedthatevencleantokamakdischargesdisruptathighdensity.Onepossibilityisthatsuchdisruptionresultfromtheenergylossarisingfromhydrogenrecyclingattheedgeoftheplasma.thisenergylosscouldleadtoacontractionofthecurrentchannelandtheproductionofadisruptivelyunstableconfiguration.
简介:A.simplicialmesh(triangulation)isconstructedthatgeneralizesthetwo-dimensional4-directionmeshtoR~m.Thismesh,withsymmetric,shift-invariantvaluesatthevertices,isshowntoadmitaboundedC~1interpolantifandonlyifthealternatingsumofthevaluesattheverticesofany1-cubeiszero.Thisim-pliesthaiinterpolationattheverticesofanm-dimensional,simplicialmeshbyaC~1piecewisepolynomialofdegreem+1withonepiecepersimplexisunstable.
简介:M1系列艾布拉姆斯主战坦克自1982年1月列装后经过多次改进.现主要包括M1、M1A1和M1A2三个系列,大致可细分为以下多种车型:安装105毫米线膛炮的原型M1、对装甲进行了改进的改进型M1、安装120毫米滑膛炮的M1A1、采用重型贫铀装甲的M1A1HA、采用数字化终端的M1A1D、全面采用车辆电子设备的M1A2、适合城区作战的M1A1/M1A2TUSK、全数字化的M1A2SEP和M1A2SEPV2.目前正在向技术含量更高的M1A2SEPV3/V4发展。截至2017年底,美国陆军拥有4796辆各型M1A1坦克,现役装备数量为750辆;拥有并现役装备各型M1A2坦克1611辆。