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For codes of the same length, theoretically, the further the coding distance between any two categories, the stronger the error correction capability. Therefore, when the code length is small, the theoretical optimal code can be calculated according to this principle. However, it is difficult to effectively determine the optimal code when the code length is slightly larger. In fact, this is an NP-hard problem. However, we usually do not need to obtain theoretical optimal codes, because non-optimal codes can often produce good enough classifiers in practice. On the other hand, it is not that the better the theoretical properties of coding, the better the classification performance, because the machine learning problem involves many factors, such as dismantling multiple classes into two "class subsets", and the difficulty of distinguishing the two class subsets formed by different dismantling methods is often different, that is, the difficulty of the two classification problems caused by them is different. Therefore, one theory has a good quality of error correction, but it leads to a difficult coding for the two-classification problem, which is worse than the other theory, but it leads to a simpler coding for the two-classification problem, and it is hard to say which is better or weaker in the final performance of the model.在烽火连天，金戈铁马的乱世年代，南北要津，连贯东西的濮阳一直是兵家必争之地。A createThis is the targetable method!本剧以“洪”姓家庭为中心，通过洪运夫妇及他们五个子女，反映亲情的可贵与家庭凝聚力的重要，温暖的家庭是人人所渴望。贴身与尖锐的家庭与社会问题，有血有肉的人物，再加上峰回路转的故事情节，绝对值得观众追看。洪运夫妇经营面包店，含辛茹苦抚养五子女。长子建仁为人懦弱，为了满足妻子阿燕的苛刻要求一直烦恼不已。次子国仁事业有成，妻子晓彤贤惠能干，两人恩爱非常，后却因雪子的介入而家变离婚。三子国辉是个急功近利的年轻人，因急于一步登天而搞的身败名裂，长女丽青经营婚纱店，为人善良内向，却不幸嫁给了个人面兽心的丈夫，过着痛苦不堪的日子。小女丽玲是个思想前卫作风大胆的女性，他不时更换男朋友，最终与一位勤劳诚恳的洋人喜结连理。陈启老弟，今天有空来我这里坐坐。