independent variable; input variable
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Meanings
1 sense · 3 examplesnoun
independent variable (in mathematics)
In the function y = f(x), x is the independent variable (自变量) whose value determines the value of the dependent variable (因变量 y). The set of all possible values of the independent variable constitutes the domain of the function.
Zài在
zhè这
gè个
hán函
shù数
zhōng中
，
xx
shì
zì是
biàn自
liàng变
y量
，
shìy
yīn
biàn是
liàng因
变
量
。
In this function, x is the independent variable and y is the dependent variable.
Zì自
biàn变
liàng量
de的
qǔ取
zhí值
fàn范
wéi围
jiào叫
zuò做
hán函
shù数
de的
dìng定
yì义
yù域
。
The range of values for the independent variable is called the domain of the function.
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Gǎi改
biàn变
zì自
biàn变
liàng量
de的
zhí值
，
guān观
chá察
hán函
shù数
zhí值
rú如
hé何
biàn变
huà化
。
Change the value of the independent variable and observe how the function value changes.