Abstract
Taylor'sformulaisthemathematicalanalysisofthebasiccontentisveryimportant,itissimilarinfunctionestimationandcalculationofsuchwidelyused.Isalsoafunctionofextremevaluetheory,andmanyothermathematicaltheoryofpowerseriesbasis.Taylorformulaforthebasicideaistousepolynomialstoapproximateaknownfunction,andthecoefficientsofthepolynomialbythegivenfunctiontodeterminethederivative,andthisapproachgivesaneffectiveestimate.Therefore,comprehensiveunderstandingofTaylor'sformulaisparticularlyimportant.ThispaperintroducestheTaylorformulaofonedollarandmulti-definition,thentheproofofthevaluefromtheformula,respectively,thatinequality,themedianestimatederivatives,onindustryestimates,demandinfinitylimit,themedianpointofthelimitfunctionlimits,approximation,functionequationsandsoonTaylorformulatodotheinduction.
【Keywords】:Taylor'sformula;Peano-typeremainder;Lagrangeremainder;Maclaurinformula
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