FourierCosSeries

FourierCosSeries[expr,t,n]

给出关于 texprn 阶傅立叶余弦级数展开式.

FourierCosSeries[expr,{t1,t2,},{n1,n2,}]

给出一个 expr 多维傅立叶余弦级数.

更多信息和选项

范例

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基本范例  (2)

求出关于 的5阶傅立叶余弦级数:

求出 {2,2} 阶傅立叶余弦级数:

范围  (3)

求出一个二次多项式的4阶傅立叶余弦级数:

一个分段函数的傅立叶余弦级数:

一个基本函数的傅立叶余弦级数仅有一项:

选项  (1)

FourierParameters  (1)

FourierParameters 使用一个非缺省设置:

Wolfram Research (2008),FourierCosSeries,Wolfram 语言函数,https://reference.wolfram.com/language/ref/FourierCosSeries.html.

文本

Wolfram Research (2008),FourierCosSeries,Wolfram 语言函数,https://reference.wolfram.com/language/ref/FourierCosSeries.html.

CMS

Wolfram 语言. 2008. "FourierCosSeries." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/FourierCosSeries.html.

APA

Wolfram 语言. (2008). FourierCosSeries. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/FourierCosSeries.html 年

BibTeX

@misc{reference.wolfram_2024_fouriercosseries, author="Wolfram Research", title="{FourierCosSeries}", year="2008", howpublished="\url{https://reference.wolfram.com/language/ref/FourierCosSeries.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_fouriercosseries, organization={Wolfram Research}, title={FourierCosSeries}, year={2008}, url={https://reference.wolfram.com/language/ref/FourierCosSeries.html}, note=[Accessed: 22-November-2024 ]}