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单词 Sign function
释义

Sign function

原声例句
Introduction to Unity DOTS

And then I just replace this with elapsedTime in the sign function.

然后我将其替换为符号函数中的 elapsedTime 。

中文百科

符号函数

Signum function y = sgn(x)
The sign function is not continuous at x = 0.

符号函数Sign function,简称sgn)是一个逻辑函数,用以判断实数的正负号。为避免和英文读音相似的正弦函数(sine)混淆,它亦称为Signum function。其定义为:

 \sgn x = \left\{ \begin{matrix} 
-1 & : &  x < 0 \\
0 & : &  x = 0 \\
1 & : &  x > 0 \end{matrix} \right.
英语百科

Sign function 符号函数

Signum function y = sgn(x)
The sign function is not continuous at x = 0.

In mathematics, the sign function or signum function (from signum, Latin for "sign") is an odd mathematical function that extracts the sign of a real number. In mathematical expressions the sign function is often represented as sgn.

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更新时间:2025/6/20 3:10:00