DARTS: Differentiable Architecture Search

Differentiable Architecture Search

$$ \begin{aligned} && \min_{\alpha} &&& \mathcal{L}_{val} (w^{\ast} (\alpha), \alpha) \\
&& \text{s.t.} &&& w^{\ast} (\alpha) = \text{argmin}_{w} \space \mathcal{L}_{train} (w, \alpha) \\
\end{aligned} $$

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