TY - GEN A1 - Grzegorzewski, Przemysław (1963– ). Autor A1 - Mrówka, Edyta. Autor PB - Instytut Badań Systemowych. Polska Akademia Nauk PB - Systems Research Institute. Polish Academy of Sciences N1 - 23 pages ; 21 cm N1 - Bibliography p. 22-23 N2 - The problem of the trapezoidal approximation of fuzzy numbers is discussed. A set of criteria for approximation operators is formulated. These constraints can be used for direct operator derivation. A new nearest trapezoidal approximation operator preserving expected interval is suggested. M3 - Text CY - Warszawa J2 - Raport Badawczy = Research Report ; RB/43/2002 PY - 2002 KW - Fuzzy numbers KW - Liczby rozmyte KW - Approximation of fuzzy numbers KW - Aproksymacja liczb rozmytych KW - Aproksymacja T1 - Trapezoidal approximation of fuzzy numbers UR - http://rcin.org.pl/dlibra/publication/edition/139461 ER -