Equation 12 · Part 1 · How a Model Actually Gets Small Enough to Run on a Phone
Symbol C
What this part means
C is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
C is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol C→Article meaning
The passage around this formula
What this buys, mechanically, is a denser training signal per example. A hard label carries C bits at most, for C classes, and in practice far less once you account for how skewed real label distributions are. A full teacher distribution over the same classes carries a graded judgment about every one of them, on every training example, for free. That is why a student trained this way can…
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
Open the illustrated variables: a letter stands for a value guide →
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Sources cited in the surrounding passage
These citations provide research context; check each source for the exact claim it supports.