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Complex Variables & Applications Chapter 5. Engineering Mathematics. 郑伟诗 wszheng@ieee.org, http://sist.sysu.edu.cn/~zhwshi/. Outlilne. 1 、 Definition of Series & Properties. 2 、Taylor Series. 3 、Laurent Series. 4 、Power Series. Series: Definition & Properties. What are we caring?
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Complex Variables & Applications Chapter 5 Engineering Mathematics • 郑伟诗 • wszheng@ieee.org, • http://sist.sysu.edu.cn/~zhwshi/
Outlilne 1、Definition of Series & Properties 2、Taylor Series 3、Laurent Series 4、Power Series 1/2/2020, Page 2
Series: Definition & Properties What are we caring? (1) Is this sequence converged? When? How? (2) Moreover, are the Sum of these point converged? (3) Can a function f at z be approximated by a series?
Series: Definition & Properties 1/2/2020, Page 4
When does a sequence converge? Series: Definition & Properties 1/2/2020, Page 5
What is a series? Series: Definition & Properties partial sum 1/2/2020, Page 6
When does a series converge? Series: Definition & Properties 1/2/2020, Page 7
Absolute Convergence Series: Definition & Properties Converges!!! 1/2/2020, Page 8
Series and Sequence Series: Definition & Properties 0 1/2/2020, Page 9
When a function at z can be represented by a series? Taylor Series 1/2/2020, Page 10
Taylor's theorem Taylor Series 板书证明 1/2/2020, Page 11
Maclaurin series Taylor Series 1/2/2020, Page 12
Example Taylor Series 1/2/2020, Page 13
Example Taylor Series 1/2/2020, Page 14
Taylor Series Laurent Series If a function f fails to be analytic at a point z0??? 1/2/2020, Page 15
Laurent Series 1/2/2020, Page 16
Another Equivalent Formulation Laurent Series 1/2/2020, Page 17
Absolute Convergence POWER SERIES: Properties 1/2/2020, Page 18
Uniformly Convergent POWER SERIES: Properties 1/2/2020, Page 19
What is uniformly convergent Take for example POWER SERIES: Properties has limit at z POWER SERIES: Properties uniformly convergent 1/2/2020, Page 20
Continuity POWER SERIES: Properties 1/2/2020, Page 21
Integration POWER SERIES: Properties Example 1/2/2020, Page 22
Differentiation POWER SERIES: Properties Example 1/2/2020, Page 23
Uniqueness POWER SERIES: Properties 1/2/2020, Page 24
Uniqueness POWER SERIES: Properties 1/2/2020, Page 25
Multiplication POWER SERIES: Properties Taylor coefficients 前提 1/2/2020, Page 26