Proportionality (mathematics)

Variable y is directly proportional to the variable x.

Inverse proportionality with a function of y = 1/x.

In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier. The constant is called the coefficient of proportionality or proportionality constant.

单词	Constant of variation
释义	Constant of variation 英语百科 Proportionality (mathematics) In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier. The constant is called the coefficient of proportionality or proportionality constant.
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Constant of variation

Proportionality (mathematics)