http://debianws.lexgopc.com/wiki143/index.php?action=history&feed=atom&title=Orthonormal_function_system 2026-05-05T01:40:12Z Revision history for this page on the wiki MediaWiki 1.43.1 http://debianws.lexgopc.com/wiki143/index.php?title=Orthonormal_function_system&diff=4599705&oldid=prev 2025-04-29T11:59:21Z

<p>Added short description</p> <p><b>New page</b></p><div>{{Short description|Mathematical Function}}<br /> An &#039;&#039;&#039;orthonormal function system (ONS)&#039;&#039;&#039; is an [[orthonormal]] [[basis (linear algebra)|basis]] in a [[vector space]] of [[Function (mathematics)|functions]].&lt;ref&gt;{{citation|title=Companion to Concrete Mathematics|series=Dover Books on Mathematics|first=Z. A.|last=Melzak|publisher=Courier Dover Corporation|year=2012|isbn=9780486135816|page=138|url=https://books.google.com/books?id=aZ-_GxnhsUgC&amp;pg=RA1-PA138}}.&lt;/ref&gt;<br /> <br /> {{Further|basis (linear algebra)|Fourier analysis|square-integrable|Hilbert space}}<br /> <br /> ==References==<br /> {{reflist}}<br /> <br /> [[Category:Linear algebra]]<br /> [[Category:Functional analysis]]<br /> <br /> <br /> {{Linear-algebra-stub}}<br /> {{mathanalysis-stub}}</div>

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