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Connections between collocation and Galerkin methods Duncan, Dugald
Description
We look at the connections between collocation methods based on B-splines basis functions in time, and Galerkin methods also using B-splines, but of lower order. The collocation method can be written as a Galerkin method applied to a modified variational problem (for bounded time interval calculations). We use results introduced by Ha Duong to bound the difference between the exact solutions (if they exist) of these two variational problems. However questions remain about how to use the Ha Duong analysis to bound the difference of the approximate solutions using Galerkin.
Item Metadata
Title |
Connections between collocation and Galerkin methods
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2016-01-21T16:02
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Description |
We look at the connections between collocation methods based on B-splines basis functions in time, and Galerkin methods also using B-splines, but of lower order. The collocation method can be written as a Galerkin method applied to a modified variational problem (for bounded time interval calculations). We use results introduced by Ha Duong to bound the difference between the exact solutions (if they exist) of these two variational problems. However questions remain about how to use the Ha Duong analysis to bound the difference of the approximate solutions using Galerkin.
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Extent |
20 minutes
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Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: Heriot-Watt University
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Series | |
Date Available |
2016-07-22
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0306917
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International