Comments (21)
(6.11)
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@ChineseTaoist 同学你好,6.11已经有了哦 :)
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(6.66)一直到(6.69)这块看不明白,^_^
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@johnmaster 好的,这块略微有点麻烦,我们尽快补充上去 :)
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@Sm1les 十分感谢。
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请问一下6.11那里α为什么要取最大值,是固定的吗
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@Michael-Chao 这是拉格朗日对偶问题的定义,可以看作是固定的。
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6.69和自己推导出来的结果不一致
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@neoql 好的,这个公式已经在我们的计划之中了,我们尽快补充上来 :)
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@johnmaster @neoql 同学你好,6.57-6.70这几个公式的解析和推导已经补充进南瓜书了,请查阅 :)
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6.17没看明白,可否指点一下?
谢谢!
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西瓜书的课后习题答案有吗?
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@312shan 抱歉,暂时还没有:)
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请问6.40中,ω的l2范数的平方那一项,在代入6.37式后为什么出现负号了?
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@hang21 这个你跟着6.40里面的步骤,手动展开推导一下就能知道了
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南瓜书6.12最下面的公式,max后面那一堆是不是要加个中括号,不然就只有前面一项求最大值吧?
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南瓜书6.70,“下面给出详细地推导过程”,“地”应改为“的”。
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@ZuoGangwei 收到,6.12问题不大,算是通用写法,西瓜书中也是这么写的,6.70已更正,感谢帮忙纠错 :)s
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Related Issues (20)
- bolzmann 机 公式5.20 的下标错误 HOT 1
- 在线的链接无法打开 HOT 1
- ROC曲线为什么真正例率与假正例率可以同时增加 HOT 2
- 机器学习
- 南瓜书中的公式2.21的讲解感觉有点晦涩了 HOT 1
- 公式(12.39)的解释有问题 HOT 2
- 公式12.36
- released版本的pdf中有一处错误
- 西瓜書
- 书中 公式(3.35) 公式(3.36)怎么没有啊! HOT 1
- 公式16.16 HOT 2
- 公式16.16
- 进不去链接 HOT 5
- 式 2.27 HOT 2
- 10.17 求解CPA时的问题
- 关于公式3-9
- @yanglei-github 事件{f(x)=1}和{f(x)=-1}已经是完备事件组了,求期望是 权重(概率)*值,然后P(f(x)=1|x)是概率,e^(-H(x)f(x))为值,又知道f(x)=1,那么值就是e^(-H(x)),然后把P(f(x)=-1|x)也加上就出现了上述式子
- 第五章 式(5.2) 中最后推导梯度的时候,\hat(yi)也应该是关于w的函数,没有对其求导,直接当成常数处理了,这似乎是不正确的。 HOT 1
- > @wanyixue 同学你好,损失函数L是关于w和theta的函数,只有w和theta是未知的变量,\hat(yi)和yi都是已知量,所以不用对他们求导,因此也不存在不可导一说
- There are no page numbers in the most recent PDF file pages HOT 4
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