Functionalanalysisplaysanincreasingroleintheappliedsciencesaswellasinmathematicsitself.Thisbookisintendedtofamiliarizethereaderwiththebasicconcepts,principlesandmethodsoffunctionalanalysisanditsapplications.适合工科学生的泛函分析教材,优化学习理论的基础.