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An asterisk * superscripts meaning
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Watermelon book: meaning: that the expression takes a minimum value, the corresponding values.
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Li Hang "statistical learning methods": Represents the optimal solution.
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Flower Book: usually a superscript * denotes minimized or maximized function values, such as in mind:
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That superscript asterisk * usually indicates the optimal solution
Tilde and the subscript meaning
Marginal distribution empirical distribution
^ Broken line on the subject of meaning
- Li Hang "statistical learning methods": , wherein Representation model learned
- Andrew Ng "deeplearning AI": The model indicates the predicted output vector
http://blog.csdn.net/u012965373/article/details/52936875
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