Skip to main content
Log in

SimultaneousL 1 approximation of a compact set of real-valued functions

  • Published:
Numerische Mathematik Aims and scope Submit manuscript

Summary

In this paper the uniqueness results found in simultaneous Chebychev approximation are extended to simultaneousL 1 approximation. In particular a sufficient condition to guarantee uniqueness of a best approximate to aL 1 compact set is given.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Diaz, J. B., McLaughlin, H. W.: Simultaneous Chebychev approximation of a set of bounded complex-valued functions. J. Approx. Theory2, 419–432 (1969).

    Google Scholar 

  2. Dunham, C. B.: Simultaneous Chebychev approximation of functions on an intervall. Proc. Amer. Math. Soc.18, 427–477 (1967).

    Google Scholar 

  3. Golomb, M.: On the uniformly best approximation of functions given by incomplete data. M.R.C. Technical Summary Report121, Dec. 1959, Madison, The University of Wisconsin.

    Google Scholar 

  4. Laurent, P. J., Pham-Dinh-Tuan: Global approximation of a compact set by elements of a convex set in a normed space. M.R.C. Technical Summary Report 1052, Dec. 1970, Madison, The University of Wisconsin.

    Google Scholar 

  5. Remes, E.: Sur la determination des polynomes d'approximation de degré donne. Comm. Soc. Math. Kharkof, (4),10, 41–63 (1934).

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

This paper is taken in part from a thesis to be submitted by M. P. Carroll in partial fulfillment of the requirements for the Ph. D. degree in the Department of Mathematics at Rensselaer Polytechnic Institute.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Carroll, M.P. SimultaneousL 1 approximation of a compact set of real-valued functions. Numer. Math. 19, 110–115 (1972). https://doi.org/10.1007/BF01402521

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01402521

Keywords

Navigation