文章基本信息

标题：MASALAH NORM MINIMUM PADA RUANG HILBERT DAN APLIKASINYA
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作者：Karyati Karyati ; Dhoriva Urwatul Wutsqa
期刊名称：Pythagoras: Jurnal pendidikan Matematika
印刷版ISSN：1978-4538
电子版ISSN：2527-421X
出版年度：2007
卷号：3
期号：1
页码：1-14
DOI：10.21831/pg.v3i1.628
出版社：Universitas Negeri Yogyakarta
摘要：In this paper, will be discussed about the minimum norm in the pre- Hilbert Space, Hilbert space and its modification, and its application. The results are: Let X be a pre-Hilbert space and M is a sub space of X. If an element is fixed, then : . If there is such that , then is unique. Let H be a Hilbert space and M be a closed sub space of H . If , then there is a unique element such that , . Let X be a Hilbert space , M be a closed sub space of X . If V =x M, for an element xX, then there is a unique element of such that , M.
关键词：minimum norm;pre-Hilbert space;Hilbert space ;orthogonality