exercicio3
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- Considere $D_N(x) = \sum_{-N}^{N} e^{inx}.$ Mostre que $D_N(x) = \frac{sen(N+\frac{1}{2})x}{sen(x/2)}$. Usando este mostre que
$$ s_N(f, x) = \frac{1}{2\pi} \int_{-\pi}^{\pi} f(x-t)D_N(t) dt. $$
exercicio3.1624546646.txt.gz ยท Last modified: 2021/06/24 11:57 by tahzibi