Skip to main content
Log in

Approximation by Szász–Mirakyan–Baskakov–Stancu operators

  • Published:
Afrika Matematika Aims and scope Submit manuscript

Abstract

This paper deals with the Stancu type generalization of Szász–Mirakyan–Baskakov operators. We establish some direct results in the polynomial weighted space of continuous functions defined on the interval \([0,\infty )\). Also, Voronovskaja type theorem is studied.

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. Mahmudov, N.I.: Some approximation results on \(q\)-beta-Szász operators. Mediterr. J. Math. 7(3), 297 (2010)

    Article  MATH  MathSciNet  Google Scholar 

  2. Aral, A.: A generalization of Szász–Mirakyan operators based on \(q\)-integer. Math. Comput. Model. 47 (9–10), 1052–1062 (2008)

  3. Khan, H.H.: Approximation of classes of function, Ph. D. thesis, AMU, Aligarh (1974)

  4. Mishra, V.N., Khatri, K., Mishra, L.N., Deepmala: Inverse result in simultaneous approximation by Baskakov–Durrmeyer–Stancu operators. J. Inequal. Appl. 2013, 586 (2013)

  5. Mishra, V.N., Khatri, K., Mishra, L.N.: Statistical approximation by Kantorovich type discrete \(q\)-beta operators. Adv. Differ. Equ. 2013, 345 (2013)

    Article  MathSciNet  Google Scholar 

  6. Mishra, V.N., Khatri, K., Mishra, L.N., Deepmala: Trigonometric approximation of periodic signals belonging to generalized weighted Lipschitz \(W (Lr, \xi (t)), (r \ge 1)-\) class by Nörlund–Euler \((N, p_n) (E, q)\) operator of conjugate series of its Fourier series, accepted for publication in Journal of Classical Analysis, on 21 May 2014

  7. Prasad, G., Agrawal, P.N., Kasana, H.S.: Approximation of functions on \([0,1]\) by a new sequence of modified Szász operators. Math. Forum 6(2), 1–11 (1983)

    Google Scholar 

  8. Gupta, V.: A note on modified Szász operators. Bull. Inst. Math. Acad. Sinica 21(3), 275–278 (1993)

    MATH  MathSciNet  Google Scholar 

  9. Stancu, D.D.: Approximation of fuction by new class of linear polynomial operators. Rev. Roum. Math. Pure Appl. 13, 1173–1194 (1968)

    MATH  MathSciNet  Google Scholar 

  10. Stancu, D.D.: Approximation of fuction by means of a new generalized Bernstein operator. Calcolo 20(2):211–229 (1983)

  11. Bernstein, S.N.: Démonstration du théoréme de Weierstrass fondée sur le calcul de probabilités. Commun. Soc. Math. Kharkow 13(2), 1–2 (1912–1913)

  12. Ibrahim, B.: Approximation by Stancu–Chlodowsky polynomials. Comput. Math. Appl. 59, 274–282 (2010)

    Article  MATH  MathSciNet  Google Scholar 

  13. Gupta, V., Karsli, H.: Some approximation properties by \(q\)-Szász–Mirakyan–Baskakov–Stancu operators. Lobachevskii J. Math. 33(2), 175–182 (2012)

    Article  MATH  MathSciNet  Google Scholar 

  14. DeVore, R.A., Lorentz, G.G.: Constructive Approximation. Springer, Berlin (1993)

    Book  MATH  Google Scholar 

  15. Gadzhiev, A.D.: Theorems of the type of P.P. Korovkin theorems. Math. Zametki 20(5), 781–786 (1976). English translation in Math. Notes 20(5–6), 996–998 (1976)

  16. Wafi, A., Khatoon, S.: Direct and inverse theorems for generalized Baskakov operators in polynomial weight spaces. Anal. Stint. Ale Univ. Al. I. Cuza, vol. L, s. i. a, mathematica, f.l., pp. 159–173 (2004)

  17. Gadjiev, A.D., Efendiyev, R.O., Ibikli, E.: On Korovkin type theorem in the space of locally integrable functions. Czechoslovak Math. J. 1(128), 45–53 (2003)

    Article  MathSciNet  Google Scholar 

  18. Mursaleen, M., Karakaya, V.: Müzeyyen Ertürk, Faik Gürsoy. Weighted statistical convergence and its application to Korovkin type approximation theorem. Appl. Math. Comput. 218, 9132–9137 (2012)

    Article  MATH  MathSciNet  Google Scholar 

  19. Gupta, V., Aral, A., Ozhavzali, M.: Approximation by \(q\)-Szász–Mirakyan–Baskakov operators. Fasciculi Math. 48, 35–48 (2012)

  20. King, J.P.: Postitive linear operator which preserves \(x^2\). Acta. Math. Hungar. 99, 203–208 (2003)

    Article  MATH  MathSciNet  Google Scholar 

  21. Mishra, V.N., Khan, H.H., Khatri, K., Mishra, L.N.: Hypergeometric representation for Baskakov–Durrmeyer–Stancu type operators. Bull. Math. Anal. Appl. 5(3), 18–26 (2013)

    MathSciNet  Google Scholar 

  22. Mishra, V.N., Khatri, K., Mishra, L.N.: Some approximation properties of \(q\)-Baskakov–beta-Stancu type operators. J. Calc. Var. vol. 2013, Article ID 814824, pp. 1–8 (2013)

  23. Mishra, V.N., Khatri, K., Mishra, L.N.: On simultaneous approximation for Baskakov–Durrmeyer–Stancu type operators. J. Ultra Sci. Phy. Sci. 24(3–A), 567–577 (2012)

    Google Scholar 

  24. Mishra, V.N., Mishra, L.N.: Trigonometric approximation in \(L_p (p \ge 1)\)-spaces. Int. J. Contemp. Math. Sci. 7(12), 909–918 (2012)

    MATH  MathSciNet  Google Scholar 

  25. Mishra, L.N., Mishra, V.N., Khatri, K., Deepmala: On the trigonometric approximation of signals belonging to generalized weighted Lipschitz \(W(L_r, \xi (t)) (r \ge 1)\)-class by matrix \(C^1\cdot N_p\) operator of conjugate series of its Fourier series. Appl. Math. Comput. 237, 252–263 (2014). doi:10.1016/j.amc.2014.03.085

Download references

Acknowledgments

The authors would like to express their deep gratitude to the anonymous learned referee(s) and the editor for their valuable suggestions and constructive comments, which resulted in the subsequent improvement of this research article. Special thanks are due to Prof. Jacek Banasiak, Editor in chief of Afrika Matematika for kind cooperation, smooth behavior during communication and for their efforts to send the reports of the manuscript timely. The authors are also grateful to all the editorial board members and reviewers of esteemed journal i.e. Afrika Matematika. The second author PS is thankful to the Ministry of Human Resource Development, New Delhi, India for supporting this research article to carry out her research work (Ph.D. in Full-time Institute Research (FIR) category) under the supervision of Dr. Vishnu Narayan Mishra at Sardar Vallabhbhai National Institute of Technology, Ichchhanath Mahadev Dumas Road, Surat (Gujarat), India. The first author VNM acknowledges that this project was supported by the Cumulative Professional Development Allowance (CPDA), SVNIT, Surat (Gujarat), India. Both authors carried out the proof of Lemmas and Theorems. Each author contributed equally in the development of the manuscript. VNM conceived of the study and participated in its design and coordination. Both authors read and approved the final version of manuscript. The authors declare that there is no conflict of interests regarding the publication of this research article.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Vishnu Narayan Mishra.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Mishra, V.N., Sharma, P. Approximation by Szász–Mirakyan–Baskakov–Stancu operators. Afr. Mat. 26, 1313–1327 (2015). https://doi.org/10.1007/s13370-014-0288-1

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s13370-014-0288-1

Keywords

Mathematics Subject Classfication

Navigation