Talk:Orthogonal functions: Difference between revisions

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The inner product example would be better defined as:
<f,g> = ...
(without the subscript). This avoids ambiguity, and emphasises that f and g are functions and that e.g. f(x) is a value of f at the point x.
 
== Inner product ==
 
As an [[inner product]] is positive definite, the integral of a product of functions will not be an inner product without restrictions on the functions. Orthogonal functions can be defined without recourse to this special method of describing orthogonal segments in a plane. [[User:Rgdboer|Rgdboer]] ([[User talk:Rgdboer|talk]]) 01:39, 3 August 2016 (UTC)
 
The article has been revised with [[bilinear form]] taking the place of inner product. — [[User:Rgdboer|Rgdboer]] ([[User talk:Rgdboer|talk]]) 00:20, 4 August 2016 (UTC)