fǎn
hán
shù

technical

Meaning of 反函数

反函数 means inverse function. Pronounced fǎn hán shù.

  • inverse function

Definitions & Examples

yy
děng
=
x
x
fāng³
de
fǎn
hán
shù
shì
x
děng
x
sān
=
fāng
gēn³
y
 y
 

The inverse function of y = x³ is x = ³√y.

Duì
shù
hán
shù
shì
zhǐ
shù
hán
shù
de
fǎn
hán
shù
 

The logarithmic function is the inverse of the exponential function.

Yào
zhǎo
dào
zhè
ge
hán
shù
de
fǎn
hán
shù
 
yào
jiāo
huàn
biàn
liàng
bìng
jiě
fāng
chéng
 

To find the inverse of this function, you need to swap the variables and solve the equation.

Bìng
fēi
suǒ
yǒu
hán
shù
dōu
yǒu
fǎn
hán
shù
 

Not all functions have an inverse.

Measure Words

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