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Remark on “Algorithm 507: Procedures for Quintic Natural Spline Interpolation”

Remark on “Algorithm 507: Procedures for Quintic Natural Spline Interpolation” REMARK ON ALGORITHM 507 Procedures for Quintic Natural Spline Interpolation [J.G. Herriot and C.H. Reinsch, A C M Trans. Math. Softw. 2, 3 {June 1976), 281-289.] R.J. Hanson [Received 10 March 1982; accepted 10 March 1982] Numerical Mathematics Division 5642, Sandia National Laboratories, Albuquerque, N M 87185 Line number 82. of Algorithm 507 IF R -~= 0.0 T H E N D(M) := D(M) + 6.0*R*R2/(QR*QR) is changed to the mathematically equivalent line IF ABS(R) > 0.0 T H E N D(M) := D(M) + 6 . 0 , R . R 2 / ( Q R . Q R ) The change is made for this reason: the character "-~" will often not transmit correctly in the Collected Algorithms from A C M distribution process. ACM Transactions on Mathematical Software, Vol. 8, No 3, September 1982, Page 334 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM Transactions on Mathematical Software (TOMS) Association for Computing Machinery

Remark on “Algorithm 507: Procedures for Quintic Natural Spline Interpolation”

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Publisher
Association for Computing Machinery
Copyright
Copyright © 1982 by ACM Inc.
ISSN
0098-3500
DOI
10.1145/356004.356011
Publisher site
See Article on Publisher Site

Abstract

REMARK ON ALGORITHM 507 Procedures for Quintic Natural Spline Interpolation [J.G. Herriot and C.H. Reinsch, A C M Trans. Math. Softw. 2, 3 {June 1976), 281-289.] R.J. Hanson [Received 10 March 1982; accepted 10 March 1982] Numerical Mathematics Division 5642, Sandia National Laboratories, Albuquerque, N M 87185 Line number 82. of Algorithm 507 IF R -~= 0.0 T H E N D(M) := D(M) + 6.0*R*R2/(QR*QR) is changed to the mathematically equivalent line IF ABS(R) > 0.0 T H E N D(M) := D(M) + 6 . 0 , R . R 2 / ( Q R . Q R ) The change is made for this reason: the character "-~" will often not transmit correctly in the Collected Algorithms from A C M distribution process. ACM Transactions on Mathematical Software, Vol. 8, No 3, September 1982, Page 334

Journal

ACM Transactions on Mathematical Software (TOMS)Association for Computing Machinery

Published: Sep 1, 1982

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