A quadratic trigonometric spline for curve modeling

Shamaila Samreen, Muhammad Sarfraz and Malik Zawwar Hussain

PLOS ONE, 2019, vol. 14, issue 1, 1-17

Abstract: An imperative curve modeling technique has been established with a view to its applications in various disciplines of science, engineering and design. It is a new spline method using piecewise quadratic trigonometric functions. It possesses error bounds of order 3. The proposed curve model also owns the most favorable geometric properties. The proposed spline method accomplishes C2 smoothness and produces a Quadratic Trigonometric Spline (QTS) with the view to its applications in curve design and control. It produces a C2 quadratic trigonometric alternative to the traditional cubic polynomial spline (CPS) because of having four control points in its piecewise description. The comparison analysis of QTS and CPS verifies the QTS as better alternate to CPS. Also, the time analysis proves QTS computationally efficient than CPS.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0208015

DOI: 10.1371/journal.pone.0208015

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