Sync/async separation
\[l_i(x)=\frac{l'_i(x)}{l'_i(x_i)}=\prod_{\substack{0\leq j \leq n \\ j \neq i}}\frac{x-x_j}{x_i-x_j}\]
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In its press materials and on its website, TCL also talks about an immersive 3D feature, which can turn 2D photos and videos into 3D. This doesn't appear to be available yet, however.
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Basic operators