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What does double vertical bar mean?
The double bar symbol is used to denote certain kinds of norms in mathematics (e.g., or ). It is also used to denote parallel lines, as in , and in an older notation for the covariant derivative.
What do the double bars mean in math?
Double bars (or sometimes even single bars) tend to denote a norm in Mathematics. Most likely, the double bars here are denoting the Euclidean norm. This is just the length of the vector. So for example, the vector (I shall write it horizontally for compactness) (1,2,3) has length ‖(1,2,3)‖=√12+22+32=√14.
What does the vertical bar mean in probability?
conditional probability
The vertical bar is often called a ‘pipe’. It is often used in mathematics, logic and statistics. It typically is read as ‘given that’. In probability and statistics it often indicates conditional probability, but can also indicate a conditional distribution. You can read it as ‘conditional on’.
What do the bars mean in math?
Bar or Vinculum: When the line above the letter represents a bar. A vinculum is a horizontal line used in the mathematical notation for a specific purpose to indicate that the letter or expression is grouped together. The x bar symbol is used in statistics to represent the sample mean of a distribution.
What is the vertical bar used for?
The vertical bar is a character with various uses in mathematics, where it can be used to represent absolute value, among others; in computing and programming and in general typography, as a divider not unlike the interpunct.
What is double modulus called?
Congruence modulo
Congruence modulo a double modulus.
What is the symbol of bar?
Units derived from the bar include the megabar (symbol: Mbar), kilobar (symbol: kbar), decibar (symbol: dbar), centibar (symbol: cbar), and millibar (symbol: mbar)….Bar (unit)
| Bar | |
|---|---|
| Unit system | Metric system |
| Unit of | Pressure |
| Symbol | bar |
| Conversions |
What does a number with a bar over it mean?
In a decimal number, a bar over one or more consecutive digits means that the pattern of digits under the bar repeats without end.