Delta function: Difference between revisions
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'''Delta function''' may refer to the |
'''Delta function''' may refer to the [[Distribution (mathematics)|distribution]]: |
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* [[Dirac delta function]], <math>\delta |
* [[Dirac delta function]], <math>\langle \delta, \varphi \rangle = \varphi(0)</math> |
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or the [[ |
or the indexed [[matrix (mathematics)|matrix]]: |
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* [[Kronecker delta]], <math>\delta_{ij} = \left\{\begin{matrix} |
* [[Kronecker delta]], <math>\delta_{ij} = \left\{\begin{matrix} |