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Author: John Jeng
Description: Test
Compute Environment: Ubuntu 18.04 (Deprecated)
23\frac{2}{3} 23\frac{2}{3} f(x)=f^(ξ)e2πiξxdξf(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi e^ê