期末复习 Flashcards

1
Q

调和函数的定义是什么?

A
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2
Q

共轭调和函数的定义是什么?(对于两个调和函数)

A
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3
Q

复函数在一点可导的充要条件是什么?

A
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4
Q

复函数在区域内可导(复函数在区域内解析)的充要条件是什么?

A
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5
Q

函数f(z)解析与u、v调和的关系是什么?

A
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6
Q

柯西积分定理的两条公式是什么?

A
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7
Q

柯西积分公式有什么?(三种情况)

A
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8
Q

复合闭路定理是什么?有什么用?

A

用于计算闭合回路的积分,当闭合回路的区域内有奇点,可以使用。

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9
Q

奇点是什么?奇点有什么类型?

A
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10
Q

求留数有什么方法?

A
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11
Q

复变函数中,求不定积分有什么方法?

A
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12
Q

利用留数计算定积分有什么类型?

A
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13
Q

回忆常见傅里叶变换变换对有什么?

A
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14
Q

回忆常见拉普拉斯变换变换对有什么?

A
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15
Q

为什么拉普拉斯变换需要t>0这个条件?

A
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16
Q

eg: 利用留数求积分:换元型

A
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17
Q

eg: 利用留数求积分:有理分式型

A
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18
Q

eg: 利用留数求积分:三角函数*函数型

A
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19
Q

eg: 利用留数求积分:三角函数*函数型

A
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20
Q

eg:泰勒展开

A
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21
Q

eg. 泰勒展开(引入微分/积分)

A
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22
Q

常见幂级数展开有什么?

A
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23
Q

eg. 展开为泰勒级数

A
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24
Q

复变函数:指数函数有什么知识点?

A
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25
Q

复变函数:三角函数有什么知识点?

A
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26
Q

双曲函数是什么?

A
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27
Q

复变函数:对数函数有什么知识点?

28
Q

复变函数:幂函数有什么知识点?

29
Q

eg. 复变函数

30
Q

eg : 求指数的n次根

31
Q

eg:展开为洛朗级数

32
Q

eg:如何判断零点的级数?

33
Q

eg:如何判断极点的级数?

34
Q

eg:如何判断极点的级数?

35
Q

eg:求复数的主值(基本复变函数的运算)

36
Q

eg:复数的指数表示(基本复变函数的运算)

37
Q

回忆常见幂级数展开有什么?

38
Q

eg:判断级数的敛散性

39
Q

eg:判断级数的敛散性

40
Q

eg:求级数的收敛半径

41
Q

填空题

42
Q

判断题

43
Q

填空题:2017

44
Q

判断题:2017

45
Q

选择题:2017

46
Q

计算题:调和函数、共轭调和函数、解析函数

47
Q

计算题:利用柯西积分公式

48
Q

计算题:洛朗展开

49
Q

计算题:留数定理计算积分

50
Q

计算题:求傅里叶变换

51
Q

计算题:利用拉普拉斯变换解微分方程

52
Q

单位冲激函数选择题:

53
Q

eg:利用留数求拉普拉斯逆变换

54
Q

eg:拉普拉斯变换求微分方程(有两条式子的情况)

A

关注如何列式子,大小写

55
Q

eg:展开为泰勒级数

56
Q

解析函数求导

57
Q

复数的幅角的主值

58
Q

复变函数中基本函数的应用:

59
Q

eg:复变函数中复数的主值

60
Q

期末计算题:调和函数、解析函数

61
Q

期末计算题:柯西积分公式

62
Q

期末计算题:泰勒展开、洛朗展开

63
Q

期末计算题:留数计算积分

64
Q

期末计算题:傅里叶变换

65
Q

期末计算题:拉普拉斯变换