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Delta function can refer to: * The Dirac delta function, a generalized function on the real number line denoted by δ that is zero everywhere except at zero, with an integral of one over the entire real line. * * The Delta function potential, in quantum mechanics, a potential well described by the Dirac delta function. * The Kronecker delta, a function of two variables which is one for equal arguments and zero otherwise, and which forms the identity element of an incidence algebra * The modular discriminant, a complex function usually denoted Δ and sometimes called the Ramanujan delta function or the Weierstrass delta function == See also == * Delta-functor * Delta operator 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Delta function (disambiguation)」の詳細全文を読む スポンサード リンク
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