This book is a teaching material for engineering graduate students, which concisely expounds the basic theories and methods of fuzzy mathematics. Chapter * * * 1 1 of the book includes: f set, f pattern recognition, f relation and cluster analysis, f mapping and comprehensive evaluation, extension principle and f number, f logic, f language and f reasoning, f control, f integral and possibility theory, f probability and f programming. The appendix at the end of the book introduces the preparatory knowledge of sets and their operations, mappings, relations and lattices. According to the characteristics of engineering colleges, some mature examples applied in various professional fields are also introduced. Each chapter is accompanied by exercises, and there are answers and tips at the end of the book.

This book can also be used as a teaching material for senior undergraduates, or as a self-study reference for engineers and technicians.