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Nonnegative Scaling Vectors on the Interval
Department of Mathematical and Computer Sciences, Metropolitan State University of Denver, Denver, CO 80217, USA
Department of Mathematics, University of St. Thomas, St. Paul, MN 55105, USA
* Author to whom correspondence should be addressed.
Received: 17 April 2013; in revised form: 28 June 2013 / Accepted: 1 July 2013 / Published: 9 July 2013
Abstract: In this paper, we outline a method for constructing nonnegative scaling vectors on the interval. Scaling vectors for the interval have been constructed in [1–3]. The approach here is different in that the we start with an existing scaling vector ϕ that generates a multi-resolution analysis for L2(R) to create a scaling vector for the interval. If desired, the scaling vector can be constructed so that its components are nonnegative. Our construction uses ideas from [4,5] and we give results for scaling vectors satisfying certain support and continuity properties. These results also show that less edge functions are required to build multi-resolution analyses for L2 ([a; b]) than the methods described in [5,6].
Keywords: scaling functions; (compactly supported) scaling vectors
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MDPI and ACS Style
Ruch, D.K.; Van Fleet, P.J. Nonnegative Scaling Vectors on the Interval. Axioms 2013, 2, 371-389.
Ruch DK, Van Fleet PJ. Nonnegative Scaling Vectors on the Interval. Axioms. 2013; 2(3):371-389.
Ruch, David K.; Van Fleet, Patrick J. 2013. "Nonnegative Scaling Vectors on the Interval." Axioms 2, no. 3: 371-389.