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ties. While most students found preparing for just one set of these exams difficultWang was overwhelmed by four of them. But in the endhe achieved an impressive score on the final examwhich made me conscious of his unusual determination he demonstrates when confronting difficult challenges. Mr. WangWe have often talked about a variety of mathematicsputer science conceptsproblems. During these discussionsWe always found him to be delightfully intelligent. Not only does he quickly understand the conceptsproblems presented to himhe is able to analyze these problemspresent solutions. But perhaps most important is that Wang39。s thinking is intensely rigorous. When looking at any questionhe carefully scrutinizes itif he finds any uncertain issue he clears them up immediately. We believe this kind of thought is essential to bee an excellent puter programmer. Serving as his thesis advisorWe had a firsthand opportunity to observe the way in which Wang39。s mind works. Wen his senor thesisMr. Wang mainly discussed two challenging questions in regards to″ANN″。 Wen our books in Chinaknowledge of ANNits uses are very rare. Few people in China have studied this topicconsequentlythe materials that are available on ANN are limited. Working on this difficult projectnot only did Mr. Wang rise to the challengebut he went abovebeyond the call of duty to analyze his secondary sourcestest them for accuracy in practice. Wen this wayhe found mistakes in the book that we use. His diligencehard work made me extremely proud of him. 8 / 8