[ML Notes] 拉格朗日函数：直观解释
$$ \begin{aligned} \min \; & f(x, y) \\ \text{s.t.} \; & g(x, y) = 0 \end{aligned} \tag{1} $$ 假设 $f(x, y)$ 在 $(x_0, y_0)$ 处取得极值 $z$，则在该处，$f(x, y) = z$ 和 $g(x, y) = 0$ 两条曲线应…
Read more
learn, build, evaluate
$$ \begin{aligned} \min \; & f(x, y) \\ \text{s.t.} \; & g(x, y) = 0 \end{aligned} \tag{1} $$ 假设 $f(x, y)$ 在 $(x_0, y_0)$ 处取得极值 $z$，则在该处，$f(x, y) = z$ 和 $g(x, y) = 0$ 两条曲线应…
Read more