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variants of this functions
DiracDelta




Mathematica Notation

Traditional Notation









Generalized Functions > DiracDelta[x] > Representations through equivalent functions





http://functions.wolfram.com/14.03.27.0003.01









  


  








Input Form





DiracDelta[x] == Derivative[1][HeavisideTheta][x]








Standard Form





Cell[BoxData[RowBox[List[RowBox[List["DiracDelta", "[", "x", "]"]], "\[Equal]", RowBox[List[SuperscriptBox["HeavisideTheta", "\[Prime]", Rule[MultilineFunction, None]], "[", "x", "]"]]]]]]








MathML Form







<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <semantics> <mi> &#948; </mi> <annotation-xml encoding='MathML-Content'> <ci> DiracDelta </ci> </annotation-xml> </semantics> <mo> ( </mo> <mi> x </mi> <mo> ) </mo> </mrow> <mo> &#63449; </mo> <mrow> <msup> <semantics> <mi> &#952; </mi> <annotation-xml encoding='MathML-Content'> <ci> HeavisideTheta </ci> </annotation-xml> </semantics> <mo> &#8242; </mo> </msup> <mo> ( </mo> <mi> x </mi> <mo> ) </mo> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <ci> DiracDelta </ci> <ci> x </ci> </apply> <apply> <partialdiff /> <bvar> <ci> x </ci> </bvar> <apply> <ci> HeavisideTheta </ci> <ci> x </ci> </apply> </apply> </apply> </annotation-xml> </semantics> </math>










Rule Form





Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["DiracDelta", "[", "x_", "]"]], "]"]], "\[RuleDelayed]", RowBox[List[SuperscriptBox["HeavisideTheta", "\[Prime]", Rule[MultilineFunction, None]], "[", "x", "]"]]]]]]


Date Added to functions.wolfram.com (modification date)





2007-05-02