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魔教教主四字，太过狠辣冷酷，简单看一眼，就让人隐隐嗅到一股血雨腥风。周芷若叹了口气，道：也罢。女二（pang）本来和男主（oil）是一对 后来她死了 男主走出悲痛和女主（Marie）结婚 在婚礼现场 pang出现震惊众人 之后一场撕逼大战就开始了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.钟隐看着杜殇，挤出一丝笑容道：过去的已经过去了，很多事情我已经看开了，扶苏公子走了，子婴少公子也走了，还有什么想不开的呢？看着钟隐高深莫测的表情，杜殇不禁感到诧异，难道老先生听到了什么风吹草动，好半天说不出话来。李左车点头道：还有希望，自然当尽力一试。林聪心里咯噔一下，生出一种不祥预感。