高级工程数学。Advanced Engineering Mathematics (2011) 第10版，作者： Erwin Kreyszig

教材部分，主要内容：
ifferential equations,
partial differential equations,
Fourier analysis,
vector analysis,
complex analysis,
differential equations.

答案部分，主要包括：
(a) Detailed solutions of the even-numbered problems.
(b) General comments on the purpose of each section and its classroom use...