机器学习中代价函数的这个符号英文名叫什么? LaTeX 里怎么打? - V2EX
WildCat

机器学习中代价函数的这个符号英文名叫什么? LaTeX 里怎么打?

  •  
  •   WildCat Mar 28, 2018 7029 views
    This topic created in 2976 days ago, the information mentioned may be changed or developed.


    最近一直有强迫症,不知道这个符号叫啥
    9 replies    2018-03-29 17:22:46 +08:00
    Xs0ul
        1
    Xs0ul  
       Mar 28, 2018   1
    \mathcal{L} 感觉就是手写体的 L
    ynyounuo
        2
    ynyounuo  
       Mar 28, 2018 via iPhone   1
    Mutoo
        3
    Mutoo  
       Mar 28, 2018
    找一份符号表一对,http://mohu.org/info/symbols/symbols.htm
    应该是:英磅 \pounds
    yemenchun1
        4
    yemenchun1  
       Mar 28, 2018 via iPhone   1
    ML 里代价函数不一定是这个符号,可以用 cost,也可以用 loss 损失,这个似然函数看起来本意是想用 likelihood 的 L,但又像英镑的符号。你想写哪个都可以,只要写清楚了含义就行,个人推荐 Cost 或 L ( loss )。
    zhusimaji
        5
    zhusimaji  
       Mar 28, 2018 via iPhone   1
    Latex 写的有点恼火,我写博文经常遇到这些标识符,一般偷懒直接用 L 代替,表达的是 Loss 含义没毛病
    vJianZhen
        6
    vJianZhen  
       Mar 28, 2018 via Android
    就是手写体!
    brickyang
        7
    brickyang  
       Mar 28, 2018 via iPhone
    就是手写体的 L,代表损失函数。
    liaa
        8
    liaa  
       Mar 28, 2018   4
    @WildCat 推荐一个网站给你: http://detexify.kirelabs.org/

    oIMOo
        9
    oIMOo 
       Mar 29, 2018
    @liaa

    收藏。

    搭车发个一直用的在线版 LaTeX 的推广链接(为了获取更多储存......)

    https://www.overleaf.com/signup?ref=8211823e1a3a
    About     Help     Advertise     Blog     API     FAQ     Solana     1097 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 49ms UTC 22:58 PVG 06:58 LAX 15:58 JFK 18:58
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86