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Selected homework on the spot in class from the easiest problems in the section. Exams were a regurgitation of the book and homework. Ended up skipping.","source_url":"https://www.ratemyprofessors.com/professor/791230","quality_rating":2,"difficulty_rating":1},{"observed_at":"2026-09-07 15:58:25.641114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE0NDk0NzIw","source_instructor_id":"rmp:791230","instructor_name":"Xiuxiong Chen","course_label":"MATH551","course_id":"MATH 551","course_uid":"course_7d3f055b392d74c588d35d0b","review_date":"2008-05-19 17:00:58 +0000 UTC","comment":"Prof. Chen went to class probably less than I did. He was always at least 5 minutes late, or he had his grad students teach for him. Homework was never collected, he didn't understand the material, and because of his poor teaching skills, the grader gave everyone at least a BC. I like him, he's a nice, jolly guy, but he is a poor teacher.","source_url":"https://www.ratemyprofessors.com/professor/791230","quality_rating":2,"difficulty_rating":2},{"observed_at":"2026-09-07 15:58:25.641114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEyODA5MTY2","source_instructor_id":"rmp:791230","instructor_name":"Xiuxiong Chen","course_label":"MATH319","course_id":"MATH 319","course_uid":"course_1f8e8903c7761a5fe852a4bc","review_date":"2007-01-23 00:32:48 +0000 UTC","comment":"he copys from the book. Exams are sometime exactly the same as the text . I went to lecture once. He is soooo disorganized. But If you do your homework and memorize the textbook you will be just fine","source_url":"https://www.ratemyprofessors.com/professor/791230","quality_rating":1,"difficulty_rating":3},{"observed_at":"2026-09-07 15:58:25.641114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEyNzYwNTk5","source_instructor_id":"rmp:791230","instructor_name":"Xiuxiong Chen","course_label":"MATH319","course_id":"MATH 319","course_uid":"course_1f8e8903c7761a5fe852a4bc","review_date":"2007-01-11 13:56:49 +0000 UTC","comment":"No point in going to lecture. Homework was harder than  the exams. I got an A by going through the examples in the textbook before exams and that was it.","source_url":"https://www.ratemyprofessors.com/professor/791230","quality_rating":2,"difficulty_rating":1},{"observed_at":"2026-09-07 15:58:25.641114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEyNTQ2OTgz","source_instructor_id":"rmp:791230","instructor_name":"Xiuxiong Chen","course_label":"MATH319","course_id":"MATH 319","course_uid":"course_1f8e8903c7761a5fe852a4bc","review_date":"2006-12-07 22:07:43 +0000 UTC","comment":"I swear this man bathes in chalk...Lectures are pretty rough and the linear algebra stuff is true.  Tests aren't terrible but a little tricky.  Read the book and it's not too bad.","source_url":"https://www.ratemyprofessors.com/professor/791230","quality_rating":2,"difficulty_rating":3},{"observed_at":"2026-09-07 15:58:25.641114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEyNDAyOTM1","source_instructor_id":"rmp:791230","instructor_name":"Xiuxiong Chen","course_label":"MATH340","course_id":"MATH 340","course_uid":"course_eec4aae06b946a73f1878be4","review_date":"2006-11-13 01:42:03 +0000 UTC","comment":"He derives proofs and may do a few examples, which he pulls strait out of the book. I stopped going to lecture because I might as well just read the book. 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