Abstract
This paper presents a new approach for projecting a fuzzy number over a crisp closed convex set. Based on this approach, a kind of fuzzy linear projection equation is introduced and also it is used to solve a fuzzy system of linear equations with crisp variables, fuzzy right-hand side, and fuzzy coefficients. The proposed definition for fuzzy projection is based on \(\alpha-\)cut approach. Numerical examples illustrate the applicability of new approach for solving fuzzy system of linear equations with crisp variables. However, the applications of fuzzy projection cannot be limited just to solving a fuzzy system of linear equations.
Similar content being viewed by others
References
Amemiya, M., Takahashi, W.: Generalization of shadows and fixed point theorems for fuzzy sets. Fuzzy Sets Syst. 114, 469–476 (2000)
Amirfakhrian, M.: Numerical solution of a fuzzy system of linear equations with polynomial parametric form. Int. J. Comput. Math. 84, 1089–1097 (2007)
Bede, B.: Mathematics of Fuzzy Sets and Fuzzy Logic. Springer, Berlin (2013)
Behera, M.D., Chakraverty, S.: Solution of fuzzy system of linear equations with polynomial parametric form. Appl. Appl. Math. 7, 648–657 (2012)
Chang, S., Zhu, Y.: On variational inequalities for fuzzy mappings. Fuzzy Sets Syst. 32, 359–368 (1989)
Cheng, L., Guang Hou, Z., Tan, M.: A delayed projection neural network for solving linear variational inequalities. IEEE Trans. Neural Netw. 20, 915–925 (2009)
Crouzet, J.F.: Fuzzy projection versus inverse fuzzy transform as sampling/interpolation schemes. Fuzzy Sets Syst. 193, 108–121 (2012)
He, B.S., Yang, H., Meng, Q., Han, D.R.: Modified Goldstein-Levitin-Polyak projection method for asymmetric strongly monotone variational inequalities. J. Optim. Theory Appl. 112, 129–143 (2000)
Hu, C.F.: Solving fuzzy variational inequalities over a compact set. J. Comput. Appl. Math. 129, 185–193 (2001)
Kinderlehrer, D., Stampacchia, G.: An Introduction to Variational Inequalities and Their Applications, SIAM Classics in Applied Mathematics. Academic Press, New York (1980)
Korpelevich, G.M.: The extragradient method for finding saddle points and other problems. Ekonomicko Matematick Metody 12, 747–756 (1976)
Liu, Q., Cao, J., Xia, Y.: A delayed neural network for solving linear projection equations and its analysis. IEEE Trans. Neural Netw. 16, 834–843 (2005)
Mottaghi, A., Ezzati, R., Khorram, E.: A new method for solving fuzzy linear programming problems based on the fuzzy linear complementary problem. Int. J. Fuzzy Syst. 17(2), 236–245 (2015). doi:10.1007/s40815-015-0016-5
Noor, M. A.: Variational inequalities for fuzzy mappings (II). Fuzzy Sets Syst. 97, 101–107 (1998)
Noor M. A..: Variational inequalities for fuzzy mappings (III). Fuzzy Sets Syst. 110, 101–108 (2000)
Pakdaman, M., Effati, S.: On fuzzy linear projection equation and applications. Fuzzy Optim Decis Making doi:10.1007/s10700-015-9222-8
Perfilieva, I.: Fuzzy Transforms. Transactions on Rough Sets II. Lecture Notes in Computer Science, vol. 3135, pp. 63–81. Springer, Heidelberg (2005)
Puri, M.L., Ralescu, D.: Fuzzy random variables. J. Math. Anal. Appl. 114, 409–422 (1986)
Roman, H., Flores, A.: A note on projection of fuzzy sets on hyperplanes. Proyecciones 20, 339–349 (2001)
Rufian-Lizana, A., Chalco-Cano, Y., Osuna-Gomeza, R., Ruiz-Garzonc, G.: On invex fuzzy mappings and fuzzy variational-like inequalities. Fuzzy Sets Syst. 200, 84–98 (2012)
Wang, X., Zhong, Z., Ha, M.: Iteration algorithms for solving a system of fuzzy linear equations. Fuzzy Sets Syst. 119, 121–128 (2001)
Wu, Z., Xu, J.: Generalized convex fuzzy mappings and fuzzy variational-like inequality. Fuzzy Sets Syst. 160, 1590–1619 (2009)
Yuanguo, Z.: Generalized variational inequalities for fuzzy maps. Fuzzy Sets Syst. 69, 221–229 (1995)
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Funding
This study was not funded by any grant.
Conflicts of interest
The authors declare that they have no conflict of interest.
Rights and permissions
About this article
Cite this article
Pakdaman, M., Effati, S. Fuzzy Projection Over a Crisp Set and Applications. Int. J. Fuzzy Syst. 18, 312–319 (2016). https://doi.org/10.1007/s40815-015-0125-1
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s40815-015-0125-1