| 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) |
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| 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: | 2223 |
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| Število prenosov: | 9 |
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| Metapodatki: |    |
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