## Decision-making in a fuzzy environment, Volume 1594National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va., 1970 - Fuzzy sets - 59 pages |

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### Contents

INTRODUCTION | 1 |

A BRIEF INTRODUCTION TO FUZZY SETS | 2 |

FUZZY GOALS CONSTRAINTS AND DECISIONS | 3 |

4 other sections not shown

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### Common terms and phrases

algebraic product alternation principle and/or the constraints approximately assumed characterized components concepts conditional probability constraints are fuzzy convex fuzzy set corresponding D(xQ D(xt decision-making defined as fuzzy denoted deterministic dynamic programming expressed finite set function of xQ functional equation Furthermore fuzzifier fuzzy constraint fuzzy decision fuzzy environment fuzzy goal fuzzy instructions fuzzy set G fuzzy systems G G G given fuzzy given goal goal attainment vector goal G goals and constraints grade of membership imprecision intersection iteration maximal policy maximizing decision membership function multistage decision processes N-v+l N-vfl N(xN non-fuzzy set Note notion ordered pairs performance function policy function policy space probability theory problem product space randomness and fuzziness real line real numbers recurrence equations ship function simply solution of 52 space of alternatives Specifically stochastic straints subset supremum system of equations system under control termination set tively VA(x values xt+1