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Equation 21 · Part 1 · How a Model Actually Gets Small Enough to Run on a Phone

Symbol z

zz
zz

What this part means

the scale s and a zero-point.

Its job in the formula

z is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Where the article explains it

The standard affine mapping takes a real value x , a scale s and a zero-point z , and produces an integer

The passage around this formula

The standard affine mapping takes a real value x , a scale s and a zero-point z , and produces an integer

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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.

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Sources cited in the article section

These citations provide research context; check each source for the exact claim it supports.