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Algebraic-Trigonometric Pythagorean-Hodograph curves and their use for Hermite interpolation

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Abstract

In this article we define a new class of Pythagorean-Hodograph curves built-upon a six-dimensional mixed algebraic-trigonometric space, we show their fundamental properties and compare them with their well-known quintic polynomial counterpart. A complex representation for these curves is introduced and constructive approaches are provided to solve different application problems, such as interpolating C 1 Hermite data and constructing spirals as G 2 transition elements between a line segment and a circle, as well as between a pair of external circles.

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Correspondence to Lucia Romani.

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Communicated by: Rida T. Farouki

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Romani, L., Saini, L. & Albrecht, G. Algebraic-Trigonometric Pythagorean-Hodograph curves and their use for Hermite interpolation. Adv Comput Math 40, 977–1010 (2014). https://doi.org/10.1007/s10444-013-9338-8

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  • DOI: https://doi.org/10.1007/s10444-013-9338-8

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