林源渠

Lin Yuanqu is an author active in the field of mathematics teaching and exam preparation. Publicly available information about him is limited, and his biography, nationality, and educational background are not clearly documented. Three of his works are included in the collection: the two volumes of Selected Exercises in Mathematical Analysis, with Detailed Solutions, and Selected Exercises in Advanced Mathematics, with Detailed Solutions, all of which are exam-oriented supplementary textbooks. As the titles and categories suggest, Lin's writing focuses on two foundational courses, advanced mathematics and mathematical analysis, centering on detailed solutions to selected exercises to help readers review problem types and understand solution strategies. Such works typically serve university students in coursework and postgraduate entrance exam preparation, emphasizing the typicality of the selected problems and the clarity of the solution process. Although his detailed background cannot be confirmed, the concentration of his works suggests a sustained commitment to exercise-based teaching in mathematical analysis, with a practical and systematic style suited to readers who need repeated practice and self-checking.