zhēnshù

真数

Word · NounTraditional真數

antilogarithm; argument of logarithm

Tone colorsmāmámǎmàma

Meanings

1 sense · 3 examples
1.

noun

antilogarithm; the number to which a logarithm corresponds; argument of a logarithm

technical

In mathematics, if logₐb = c, then b is the antilogarithm (真数) of c with base a. The term is the counterpart to 对数 (logarithm).

Qiú求
yǐ以
101
wéi0
dǐ为
de底
duì的
shù对
wéi数
2为
de2
zhēn的
shù真
 数
 。

Find the antilogarithm with base 10 and logarithm 2 (i.e., 100).

Zài在
cháng常
yòng用
duì对
shù数
biǎo表
zhōng中
 ，
zhēn真
shù数
NN
bì必
xū须
dà大
yú于
líng零
 。

In common logarithm tables, the argument N must be greater than zero.

Show 1 more example
Yǐ已
zhī知
duì对
shù数
shì是
33
 ，
dǐ底
shù数
shì是
22
 ，
qiú求
zhēn真
shù数
 。

Given that the logarithm is 3 and the base is 2, find the antilogarithm.