LaTeX Kappa (κ) - 完整指南

The Greek letter kappa (κ) is used in mathematics and physics for curvature, conductivity, and other quantities.

Symbol Preview

Kappa

LaTeX Code

Method 1: Using \kappa

No package required

Recommended

\kappa

Standard kappa symbol

LaTeX Kappa 是什么？

Kappa is the tenth letter of the Greek alphabet. In differential geometry, it represents curvature. In physics, it can represent thermal conductivity or other properties. It appears in various scientific and mathematical contexts.

如何在 LaTeX 中使用 Kappa

方法 1：使用 \kappa

✅无需额外包

Standard kappa symbol

示例：使用 \kappa

latex

\documentclass{article}

\begin{document}

% Using the Kappa
Text with \kappa

\end{document}

常见用途

Kappa 符号通常用于以下情况：

Curvature

Used in differential geometry for curvature.

Code

The curvature of a curve is $\kappa$.

Output

The curvature of a curve is κ.

Thermal Conductivity

Used in physics for thermal conductivity.

Code

Thermal conductivity: $\kappa = 50$ W/(m·K)

Output

Thermal conductivity: κ = 50 W/(m·K)

完整示例

Curvature Formula

Curvature formula using kappa

latex

\documentclass{article}
\begin{document}

The curvature $\kappa$ of a curve is related to the second derivative: $\kappa = \frac{|f''(x)|}{(1+(f'(x))^2)^{3/2}}$.

\end{document}