This book by an internationally renowned teacher and author provides a comprehensive introduction to functional analysis, starting with problems in numerical analysis and showing how they lead naturally to the concepts of functional analysis.

Suitable for advanced undergraduates and graduate students, the text offers clear explanations of complex concepts, including Banach and Hilbert spaces, contraction mappings, convergence, differentiation and integration, and more.

With numerous examples throughout the text, this book is an excellent resource for anyone looking to gain a deep understanding of functional analysis.