Symbol in context

$w_{t-1}$

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

Used in 2 equations

P(w_1, w_2, \ldots, w_T) = \prod_{t=1}^{T} P(w_t \mid w_1, \ldots, w_{t-1}).

From n-Grams to Reasoning Models: A Technical History of the Language Model · Equation 1

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

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P(w_t \mid w_1, \ldots, w_{t-1}) \approx P(w_t \mid w_{t-n+1}, \ldots, w_{t-1}).

From n-Grams to Reasoning Models: A Technical History of the Language Model · Equation 2

This equation gives an approximation: it relates the quantities while allowing an approximation.

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