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Há 23 horas · Ulysses S. Grant (born Hiram Ulysses Grant; [b] April 27, 1822 – July 23, 1885) was an American military officer and politician who served as the 18th president of the United States from 1869 to 1877. As commanding general, Grant led the Union Army to victory in the American Civil War in 1865 and briefly served as U.S. secretary of war.
Há 23 horas · 本文用于复习《Machine Learning》第三章部分内容 内容来自于Andrew Ng的机器学习课程，主要是为了回忆起来方便 第三章第二讲主要讲解了逻辑回归的代价方程和优化算法 注：博客中图片均来自于课程 cost function 在之前的章节中cost function直接计算为 J(θ)=12m∑i=1m(hθ(x(i))−y(i))2 J(θ)= \frac
Há 23 horas · 本文用于复习《Machine Learning》第二章部分内容 内容来自于Andrew Ng的机器学习课程，主要是为了回忆起来方便 第二章后面主要讲解了标准方程也就是Normal Equation和octave的一些应用 Normal Equation 在之前的章节中我们用循环的方式不断寻找Jθ的最低点，来满足代价函数尽可能小，即是说预测值h和真实值y ...
Há 23 horas · Jeff Adachi (1959–2019), San Francisco Public Defender. Jewett W. Adams (1835–1920), fourth Governor of Nevada; resident of San Francisco [544] Art Agnos (born 1938), 38th Mayor of San Francisco. Tom Ammiano (born 1941), California State Assemblyman, San Francisco Supervisor, Mayoral candidate and LGBT rights activist.
Há 23 horas · Small dish of relishes, such as salted eggplant, pickled white cabbage, pickled papaya, pickled garlic or pickled bean sprouts. Tráng miệng or desserts: Fresh fruits, drinks or sweets, such as chè. Except individual bowls of rice, all dishes are communal and are to be shared in the middle of the table.
