Smith, P. W.; Swetits, J. J. Best approximation by monotone functions. (English) Zbl 0626.41015 J. Approximation Theory 49, 398-403 (1987). Reviewer: A.Kroo MSC: 41A50 41A65 × Cite Format Result Cite Review PDF Full Text: DOI
Borosh, I.; Chui, C. K.; Smith, P. W. On approximation of \(x^N\) by incomplete polynomials. (English) Zbl 0423.41003 J. Approximation Theory 24, 227-235 (1978). MSC: 41A10 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, C. K.; Rahman, Q. I.; Sahney, B. N.; Smith, P. W. On simultaneous Chebyshev approximation. (English) Zbl 0388.41012 J. Approximation Theory 22, 350-351 (1978). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, C. K.; Smith, P. W.; Ward, J. D. Best \(L_2\) local approximation. (English) Zbl 0383.41020 J. Approximation Theory 22, 254-261 (1978). MSC: 41A50 41A10 41A65 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, C. K.; Smith, P. W.; Ward, J. D. Quasi-uniqueness in \(L^\infty\) extremal problems. (English) Zbl 0366.41003 J. Approximation Theory 18, 213-219 (1976). MSC: 41A05 × Cite Format Result Cite Review PDF Full Text: DOI
Rozema, Edward R.; Smith, Philip W. Global approximation with bounded coefficients. (English) Zbl 0317.41031 J. Approximation Theory 16, 162-174 (1976). MSC: 41A65 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Allen, G. D.; Chui, C. K.; Madych, W. R.; Narcowich, F. J.; Smith, P. W. Padé approximation of Stieltjes series. (English) Zbl 0323.30044 J. Approximation Theory 14, 302-316 (1975). MSC: 30E10 30E05 30B70 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, Charles K.; Shisha, O.; Smith, Philip W. Best local approximation. (English) Zbl 0314.41016 J. Approximation Theory 15, 371-381 (1975). MSC: 41A50 41A20 × Cite Format Result Cite Review PDF Full Text: DOI
Smith, Philip W.; Ward, Joseph D. Restricted centers in subalgebras of C(X). (English) Zbl 0312.41016 J. Approximation Theory 15, 54-59 (1975). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, Charles K.; Smith, Philip W. Some nonlinear spline approximation problems related to N-widths. (English) Zbl 0296.41018 J. Approximation Theory 13, 421-430 (1975). MSC: 41A45 41A15 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, Charles K.; Shisha, Oved; Smith, Philip W. Padé approximants as limits of best rational approximants. (English) Zbl 0288.41007 J. Approximation Theory 12, 201-204 (1974). MSC: 41A20 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Smith, Philip W. Wsup(r,p)(R)-splines. (English) Zbl 0274.41012 J. Approximation Theory 10, 337-357 (1974). MSC: 41A15 × Cite Format Result Cite Review PDF Full Text: DOI