出典: フリー教科書『ウィキブックス(Wikibooks)』
<math>\blacktriangleright</math>
<math>\color{red}\blacktriangleright</math>
<math>\color{blue}\blacktriangleright</math>
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<span style="color:red;font-size:20px;">▶</span>
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<span style="color:blue;font-size:20px;">▶</span>
- The sum of the real or complex power series
![{\displaystyle \sum _{n=1}^{\infty }{{(-1)^{n-1}} \over {(2n-1)!}}x^{2n-1}=x-{1 \over 6}x^{3}+{1 \over 120}x^{5}-{1 \over 5040}x^{7}+...}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a947e5896c1b2b388afc984db9b28e91b740f7da)
where x is in radians.
- ℒ
- mathematics an integral transform of positive real function
to a complex function
; given by: Functions
![{\displaystyle F(s)=\int _{0}^{\infty }f(t)e^{-st}\,dt.}](https://wikimedia.org/api/rest_v1/media/math/render/svg/ac408c7ea5f7799e185a4e8d66e69fb0964e2c02)