Naslov: | On ▫$L^2$▫ approximation by planar Pythagorean-hodograph curves |
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Avtorji: | ID Farouki, Rida T. (Avtor) ID Knez, Marjetka (Avtor) ID Vitrih, Vito (Avtor) ID Žagar, Emil (Avtor) |
Datoteke: | RAZ_Farouki_Rida_T._2025.pdf (1,33 MB) MD5: 296762E04B2C1DB0C220D6543772F267
https://www.sciencedirect.com/science/article/pii/S0378475425000394
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Jezik: | Angleški jezik |
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Vrsta gradiva: | Članek v reviji |
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Tipologija: | 1.01 - Izvirni znanstveni članek |
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Organizacija: | FAMNIT - Fakulteta za matematiko, naravoslovje in informacijske tehnologije
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Opis: | The ▫$L^2$▫ approximation of planar curves by Pythagorean-hodograph (PH) polynomial curves is addressed, based on the distance defined by a metric for planar curves represented as complex valued functions of a real parameter. Because of the nonlinear nature of polynomial PH curves, constructing ▫$L^2$▫ approximants involves solving a nonlinear optimization problem. However, a simplified method that requires only the solution of a linear system may be developed by formulating the ▫$L^2$▫ approximation in the preimage space. The extension of the methodology to approximation by PH B-spline curves is also addressed, and several examples are provided to illustrate its implementation and potential. |
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Ključne besede: | ▫$L^2$▫ approximation, complex polynomial, Pythagorean-hodograph curve, Pythagorean-hodograph spline, preimage |
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Status publikacije: | Objavljeno |
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Verzija publikacije: | Objavljena publikacija |
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Datum objave: | 10.02.2025 |
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Leto izida: | 2025 |
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Št. strani: | str. 296-310 |
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Številčenje: | Vol. 233 |
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PID: | 20.500.12556/RUP-21294  |
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UDK: | 519.6 |
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ISSN pri članku: | 1872-7166 |
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DOI: | 10.1016/j.matcom.2025.02.001  |
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COBISS.SI-ID: | 226119171  |
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Datum objave v RUP: | 30.05.2025 |
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Število ogledov: | 113 |
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Število prenosov: | 4 |
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Metapodatki: |  |
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