Equation 10 · Part 2 · A History of Small and On-Device AI
Symbol z_i
What this part means
the teacher’s pre-softmax logits.
Its job in the formula
occurs above the fraction bar. The numerator is divided by the entire denominator below it.
Full expression→Symbol z_i→Article meaning
Where the article explains it
where are the teacher’s pre-softmax logits.
The passage around this formula
…hard output labels, distillation trains it against the large “teacher” model’s full, softened probability distribution over classes — the softmax output computed at a raised temperature T : . where are the teacher’s pre-softmax logits. “Using a higher value for T produces a softer probability distribution over classes” [ 4 ] , and it is precisely that softness — the relative probabilities the teacher assigns to the wrong answers, not only the single correct label — that carries…
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Sources cited in the surrounding passage
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