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Sammi Brie (talk | contribs) Adding short description: "Type of function" |
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{{Short description|Type of function}}
In [[mathematics]], '''orthogonal functions''' belong to a [[function space]] that is a [[vector space]] equipped with a [[bilinear form]]. When the function space has an [[interval (mathematics)|interval]] as the [[___domain of a function|___domain]], the bilinear form may be the [[integral]] of the product of functions over the interval:
:<math> \langle f,g\rangle = \int \overline{f(x)}g(x)\,dx .</math>
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