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AM> Vol.6 No.3, March 2015
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Further Discussion on the Calculation of Fourier Series

Abstract Full-Text HTML XML Download Download as PDF (Size:249KB) PP. 594-598
DOI: 10.4236/am.2015.63054    3,189 Downloads   4,131 Views   Citations
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Caixia Zhang

Affiliation(s)

College of Mathematics and Statistics, Northeast Petroleum University, Daqing, China.

ABSTRACT

Fourier series is an important mathematical concept. It is well known that we need too much computation to expand the function into Fourier series. The existing literature only pointed that its Fourier series is sine series when the function is an odd function and its Fourier series is cosine series when the function is an even function. And on this basis, in this paper, according to the function which satisfies different conditions, we give the different forms of Fourier series and the specific calculation formula of Fourier coefficients, so as to avoid unnecessary calculation. In addition, if a function is defined on [0,a], we can make it have some kind of nature by using the extension method as needed. So we can get the corresponding form of Fourier series.

KEYWORDS

Fourier Coefficients, Fouries Series, Period, Series Expansion, Extension

Cite this paper

Zhang, C. (2015) Further Discussion on the Calculation of Fourier Series. Applied Mathematics, 6, 594-598. doi: 10.4236/am.2015.63054.

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1] Department of Mathematics of East China Normal University (2010) Mathematical Analysis. 4th Edition, Higher Education Press, Beijing, 62-72. (In Chinese)
[2] He, G.Z. (2008) Discussion on a Style of Fourier Series Expansion. Journal of Leshan Teachers College, 23, 27-28. (In Chinese)
[3] Zheng, C. and Qiu, W.G. (2010) Integration Techniques Based on Fourier. Studies in College Mathematics, 13, 31-32. (In Chinese)
[4] Wang, B.Y. and Qi, X.S. (2011) Two Methods for Summing Trigonometric Series. Studies in College Mathematics, 14, 33-34. (In Chinese)
[5] Jiao, H.Y. and Liu, W.H. (2011) Fourier Expansion and a Class of Series. Studies in College Mathematics, 14, 35-36. (In Chinese)
[6] Ding, X.H. (2004) Several Problems of Fouries Series Expansion. Journal of Daxian Teachers College (Natural Sci ence Edition), 14, 1-4. (In Chinese)

  
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