Abstract
In the study of vector spaces one of the most important concepts is that of a basis, allowing each element in the space to be written as a linear combination of the elements in the basis. However, the conditions to a basis are very restrictive — no linear dependence between the elements is possible and sometimes we even want the elements to be orthogonal with respect to an inner product. This makes it hard or even impossible to find bases satisfying extra conditions, and this is the reason that one might look for a more flexible tool.
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© 2003 Springer Science+Business Media New York
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Christensen, O. (2003). Frames in Finite-dimensional Inner Product Spaces. In: An Introduction to Frames and Riesz Bases. Applied and Numerical Harmonic Analysis. Birkhäuser, Boston, MA. https://doi.org/10.1007/978-0-8176-8224-8_1
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DOI: https://doi.org/10.1007/978-0-8176-8224-8_1
Publisher Name: Birkhäuser, Boston, MA
Print ISBN: 978-1-4612-6500-9
Online ISBN: 978-0-8176-8224-8
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