Phrase
multiplicative inverse
noun
乘法逆元；倒数
The inverse element with respect to multiplication; the reciprocal.
- 1.
The inverse element with respect to multiplication; the reciprocal.
乘法中的逆元素；倒数。
乘法中的逆元素；倒数。；乘法逆元素
In use
In modular arithmetic, the multiplicative inverse of a number modulo n is the number that yields 1 when multiplied by the original.
The algorithm computes the multiplicative inverse of a matrix efficiently using Gaussian elimination.
Every non-zero rational number has a multiplicative inverse, which is its reciprocal.
the multiplicative inverse of X
X通常是一个数或表达式。
The multiplicative inverse of 2 is 1/2.
2的乘法逆元是1/2。
X is the multiplicative inverse of Y
3 is the multiplicative inverse of 1/3.
3是1/3的乘法逆元。
Common mistakes
The inverse multiplicative of 2 is 0.5.The multiplicative inverse of 2 is 0.5.
英语中形容词'multiplicative'应放在名词'inverse'之前，而中文语序是'逆元素'在前，'乘法'在后，学习者容易按中文语序错位。
The multiplicative inverse 2 is 0.5.The multiplicative inverse of 2 is 0.5.
表达'...的乘法逆元素'时，英语需要使用介词'of'连接被操作数，不能省略。
Connections
Confusing words
- reciprocal
- 倒数 · reciprocal 通常指数值上的倒数，而 multiplicative inverse 在抽象代数中更广，指任何乘法逆元
- inverse function
- 反函数 · inverse function 是函数的逆运算，而 multiplicative inverse 是代数结构中的乘法逆元，概念不同
- multiplicative
- 乘法的 · multiplicative 是形容词，意即乘法的，而 multiplicative inverse 是由形容词和名词组成的特定短语，不可分离
Word family
- multiply
- 乘；相乘 · multi- + -ply (fold)
- multiplication
- 乘法；相乘 · multiplic- + -ation
- multiplicative
- 乘法的；乘法性的 · multiplic- + -ative
Learner notes
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.