Meaning of 虚数
虚数 means imaginary number (in complex numbers a+bi where b≠0); fictitious number; unreal figure; inflated figure. Pronounced xū shù.
- imaginary number (in complex numbers a+bi where b≠0)
- fictitious number; unreal figure; inflated figure
Definitions & Examples
Zài在
fù复
shù数
yī1
jiǎn−
sān3
ii
zhōng中
，
shí实
bù部
shì是
yī1
，
xū虚
bù部
shì是
jiǎn−
sān3
，
yīn因
cǐ此
zhè这
shì是
yī一
gè个
xū虚
shù数
。
In the complex number 1−3i, the real part is 1 and the imaginary part is −3, so this is an imaginary number.
Wǔ5
ii
shì是
yī一
gè个
chún纯
xū虚
shù数
，
yīn因
wèi为
tā它
de的
shí实
bù部
wéi为
líng零
。
5i is a purely imaginary number because its real part is zero.
Diàn电
qì气
gōng工
chéng程
shī师
jīng经
cháng常
shǐ使
yòng用
xū虚
shù数
lái来
fēn分
xī析
jiāo交
liú流
diàn电
lù路
。
Electrical engineers often use imaginary numbers to analyze AC circuits.