online math 周期函数展成傅立叶级数。

来源: marketreflections 于 2009-10-19 09:53:14 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

http://www.cavtc.net/jpkc/site-shuxue/course/3_content/8-3.htm

http://www.cavtc.net/jpkc/site-shuxue/course/3_content/8-3.htm

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