Dirichlet integral (source code)

= Dirichlet integral
{wiki=Dirichlet_integral}

The Dirichlet integral refers to a specific improper integral that arises in various fields of mathematical analysis and is usually expressed in the form: \\\[ \\int_0^\\infty \\frac\{\\sin x\}\{x\} \\, dx \\\] This integral is known as the Dirichlet integral, and it is significant in the study of Fourier transforms and oscillatory integrals.