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    "# 4.5 课后习题"
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    "1、定性的分析为什么当样本取自截然不同的两类（即没有特征点同时归为这两类）时，一定存在一个到更高维的非线性映射使得样本线性可分。\n",
    "\n",
    "2、在应用于两类问题的标准boosting法中，我们必须产生一个对于当前的分类器含有“最富信息”的数据集，为什么这意味着只有一半模式能够被正确地分类，而不是任何一个模式都不能被正确分类？对于c类问题，“最富信息”集中的哪部分模式必定被错误地分类？\n"
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