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Tschebyscheff-Approximation durch \(\gamma\)-Polynome mit teilweise fixierten Frequenzen. (German) Zbl 0311.41017


MSC:

41A50 Best approximation, Chebyshev systems
41A30 Approximation by other special function classes
41A10 Approximation by polynomials
41A20 Approximation by rational functions
11L03 Trigonometric and exponential sums (general theory)
Full Text: DOI

References:

[1] Braess, D., Chebyshev approximation by γ-polynomials I, J. Approximation Theory, 9, 20-43 (1973) · Zbl 0235.41007
[2] Braess, D., Chebyshev approximation by γ-polynomials II, J. Approximation Theory, 11, 16-37 (1974) · Zbl 0235.41008
[3] Braess, D., Die Konstruktion der Tschebyscheff-Approximierenden bei der Anpassung mit Exponentialsummen, J. Approximation Theory, 3, 261-273 (1970) · Zbl 0214.41301
[4] Braess, D., Kritische Punkte bei der nichtlinearen Tschebyscheff-Approximation, Math. Z., 132, 327-341 (1973) · Zbl 0251.41010
[5] Dunham, C. D., Chebyshev approximation by \(A + B\) log(1 + CX), J. Inst. Math. Appl., 8, 371-373 (1971) · Zbl 0226.41003
[6] Dunham, C. D., J. Inst. Math. Appl., 10, 369-372 (1972) · Zbl 0249.41011
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[8] Meinardus, G., Über ein Problem von L. Collatz, Computing, 8, 250-254 (1971) · Zbl 0231.42002
[9] Meinardus, G.; Schwedt, D., Nichtlineare Approximation, Arch. Rational Mech. Anal., 17, 297-326 (1964) · Zbl 0127.29001
[10] Schmidt, E., Zur Kompaktheit bei Exponentialsummen, J. Approximation Theory, 3, 445-454 (1970) · Zbl 0212.09103
[11] E. Schmidt; E. Schmidt
[12] Werner, H., Tschebyscheff-Approximation with sums of exponentials, (Talbot, A., Approximation Theory (1970), Academic Press: Academic Press London) · Zbl 0214.07902
[13] Wulbert, D., Uniqueness and differential characterization of approximations from manifolds of functions, Amer. J. Math., 93, 350-366 (1971) · Zbl 0227.41009
[14] Braess, D., Rationale Interpolation, Normalität und Monosplines, Numer. Math., 22, 219-232 (1974) · Zbl 0281.65005
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