Chapter 2 解析函数 Flashcards

1
Q

可导 一点处

A

导数定义式 的 极限存在(各方面趋近,极限值相等)

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2
Q

反函数导数规律

A

f’(z)=1/g’(w)

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3
Q

解析性的证明的本质

A

实际是:可导的证明(定义式任意方式存在)

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4
Q

| 以及| |^2的处理

A

共轭对相乘

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5
Q

解析充要条件1

A

是一点可导充要条件:uv点上可微+C-R方程 等效为 CR方程满足到什么程度,就可导到什么程度

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6
Q

C-R方程得一点导数公式

A

偏u/偏x+i偏v/偏x

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7
Q

解析充要条件2

A

uv D内可微+C-R方程 等效为 求四个偏导—都连续—CR满足

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8
Q

偏导的定义式

A

Ux(a,b)=U(x,b)-U(a,b)/x-a

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9
Q

积分的定义计算法

A

根据定义f(z)dz展开,可以展成uv,也可以是参数

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10
Q

经典积分公式

A

对1/(z-z0)^n+1绕距一点一定r的圆周积分,n=0是为2Pii

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11
Q

估值定理

A

|ffzdz|<=ML

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12
Q

(A/B)’

A

1/B^2(A’B-B’A)

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