Symbol in context

$\Sigma$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Used in 5 equations

M = U \Sigma V^{*}

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

t:\ \mathcal{A}_t \times \Sigma \;\rightharpoonup\; \mathcal{R}_t \times \Sigma

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

\Sigma

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

\Sigma

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

\Sigma

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.