(문서 내용을 "* http://www.ildaro.com/8046 * http://weekly.khan.co.kr/khnm.html?mode=view&code=116&artid=201703061620511&pt=nv * http://weekly.khan.co.kr/khnm.html?mode=view&cod..."으로 바꿈) |
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: <math>\displaystyle \sum_{n=-\infty}^{\infty} f(n)=-\sum (\text{residue of $\pi \cot(\pi z)f(z)$ at each pole of $f$})</math> | |||
: <math>\displaystyle \sum_{n=-\infty}^{\infty} (-1)^n f(n)=-\sum (\text{residue of $\pi \csc(\pi z)f(z)$ at each pole of $f$})</math> | |||
2018년 12월 20일 (목) 18:03 판
- [math]\displaystyle{ \displaystyle \sum_{n=-\infty}^{\infty} f(n)=-\sum (\text{residue of $\pi \cot(\pi z)f(z)$ at each pole of $f$}) }[/math]
- [math]\displaystyle{ \displaystyle \sum_{n=-\infty}^{\infty} (-1)^n f(n)=-\sum (\text{residue of $\pi \csc(\pi z)f(z)$ at each pole of $f$}) }[/math]