Bullet operator
01
点运算符, 项目符号运算符
a typographical symbol (∙) used primarily in mathematics and technical notation to represent a binary operation such as multiplication
例子
In the formula, the bullet operator ∙ indicates multiplication between the two vectors.
在公式中，中点运算符 ∙ 表示两个向量之间的乘法。
To distinguish it from a decimal point, some mathematicians prefer using the bullet operator in their calculations.
为了将其与小数点区分开来，一些数学家更倾向于在计算中使用项目符号运算符。
