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Using Oshima Splines to Produce Accurate Numerical Results and High Quality Graphical Output

  • Setsuo TakatoEmail author
  • José A. Vallejo
Article

Abstract

We illustrate the use of Oshima splines in producing high-quality Open image in new window output in two cases: first, the numerical computation of derivatives and integrals, and second, the display of silhouettes and wireframe surfaces, using the macros package Open image in new window . Both cases are of particular interest for college and university teachers wanting to create handouts to be used by students, or drawing figures for a research paper. When dealing with numerical computations, Open image in new window can make a call to the CAS Maxima to check for accuracy; in the case of surface graphics, it is particularly important to be able to detect intersections of projected curves, and we show how to do it in a seamlessly manner using Oshima splines in Open image in new window . A C compiler can be called in this case to speed up computations.

Keywords

KeTCindy Cinderella Maxima Oshima spline 

Mathematics Subject Classification

Primary 97U50 Secondary 97U60 

Notes

Acknowledgements

This work was supported by JSPS KAKENHI Grant Nos. 16K0115, 18K02948, 18K02872.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Tōhō UniversityFunabashiJapan
  2. 2.Universidad Autónoma de San Luis PotosíSan Luis Potosí (SLP)Mexico

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