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Equation 19 · Part 1 · How a Model Actually Gets Small Enough to Run on a Phone

Symbol x

xx
xx

What this part means

x 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

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

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

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