Dictionary:Dirichlet conditions

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{{#category_index:D|Dirichlet conditions}} (dir’ ∂ klā) The necessary and sufficient conditions for a Fourier series: In any region: (a) f(x) is continuous except for a finite number of finite discontinuities and (b) it has only a finite number of maxima and minima. Named for Peter Guster Dirichlet (1805–1859), German mathematician.