求高数各知识点的个人理解,要通俗易懂,最好举例子!如极限定义个人理解是什么?如泰...

2025年04月08日 03:14
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这个,好像是比较庞大的体系问题啊,还是看书吧.不过我有学习高数42章经送你.哈哈,其实是42句口诀,希望对你有用.口诀 1:函数概念五要素,定义关系最核心.口诀 2:分段函数分段点,左右运算要先行.口诀 3:变限积分是函数,遇到之后先求导.口诀 4:奇偶函数常遇到,对称性质不可忘.口诀 5:单调增加与减少,先算导数正与负.口诀 6:正反函数连续用,最后只留原变量.口诀 7:一步不行接力棒,最终处理见分晓.口诀 8:极限为零无穷小,乘有限仍无穷小.口诀 9:幂指函数最复杂,指数对数一起上.口诀10:待定极限七类型,分层处理洛必达.口诀11:数列极限洛必达,必须转化连续型.口诀12:数列极限逢绝境,转化积分见光明.口诀13:无穷大比无穷大,最高阶项除上下.口诀14:n项相加先合并,不行估计上下界.口诀15:变量替换第一宝,由繁化简常找它.口诀16:递推数列求极限,单调有界要先证,两边极限一起上,方程之中把值找.口诀17:函数为零要论证,介值定理定乾坤.口诀18:切线斜率是导数,法线斜率负倒数.口诀19:可导可微互等价,它们都比连续强.口诀20:有理函数要运算,最简分式要先行.口诀21:高次三角要运算,降次处理先开路.口诀22;导数为零欲论证,罗尔定理负重任.口诀23:函数之差化导数,拉氏定理显神通.口诀24:导数函数合(组合)为零,辅助函数用罗尔.口诀25:寻找ξη无约束,柯西拉氏先后上.口诀26:寻找ξη有约束,两个区间用拉氏.口诀27:端点、驻点、非导点,函数值中定最值.口诀28:凸凹切线在上下,凸凹转化在拐点.口诀29:数字不等式难证,函数不等式先行.口诀30:第一换元经常用,微分公式要背透.口诀31:第二换元去根号,规范模式可依靠.口诀32:分部积分难变易,弄清u、v是关键.口诀33:变限积分双变量,先求偏导后求导.口诀34:定积分化重积分,广阔天地有作为.口诀35;微分方程要规范,变换,求导,函数反.口诀36:多元复合求偏导,锁链公式不可忘.口诀37:多元隐函求偏导,交叉偏导加负号.口诀38:多重积分的计算,累次积分是关键.口诀39:交换积分的顺序,先要化为重积分.口诀40:无穷级数不神秘,部分和后求极限口诀41:正项级数判别法,比值、根值和比较.口诀42:幂级数求和有招,公式、等比、列方程.

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