LaTeX Xi (ξ) - Complete Guide
The Greek letter xi (ξ/Ξ) is used in physics and mathematics for various quantities.
Symbol Preview
Xi
LaTeX Code
No package required
\xiLowercase xi symbol
No package required
\XiUppercase xi symbol
What is the LaTeX Xi?
Xi is the fourteenth letter of the Greek alphabet. It is used in various scientific and mathematical contexts, including correlation functions in statistical mechanics and other advanced topics.
How to Use Xi in LaTeX
Method 1: Using \xi
✅No package required
Lowercase xi symbol
Example: Using \xi
\documentclass{article}
\begin{document}
% Using the Xi
Text with \xi
\end{document}Method 2: Using \Xi
✅No package required
Uppercase xi symbol
Example: Using \Xi
\documentclass{article}
\begin{document}
% Using the Xi
Text with \Xi
\end{document}Common Use Cases
The Xi symbol is commonly used in the following contexts:
General Variable
Used as a general variable in mathematics.
Code
Let $\xi$ be a random variable.Output
Let ξ be a random variable.
Complete Examples
Basic Usage
Simple example of xi
\documentclass{article}
\begin{document}
The correlation length is denoted by $\xi$.
\end{document}Frequently Asked Questions
Which method should I use?
We recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:
- \xi: Lowercase xi symbol
- \Xi: Uppercase xi symbol
Where do I use this symbol?
This symbol can be used:
- In mathematical equations (math mode)
- In regular text (if using text mode)
- In various document environments
Can I use this in display mode?
Yes, symbols that work in math mode (between $ $) also work in display mode (between $$ $$). This allows you to display the symbol on its own line with larger formatting.
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