Machine Learning Notes 1

  1. cost function就是距离。

  2. contour 轮廓

  3. hypothesis 假设

  4. gradient decent 梯度下降

  5. derivation 求导

  6. calculus 微积分

  7. convex function 凸函数

  8. dimension of matirx . 矩阵的大小

  9. vector is n x 1 matrix

  10. inverse matrix and transpose. pinv(matrix) in octave

  11. polynomial regression 多元回归

  12. square, third square...

  13. quadratic 二次方的


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