Assistant Hello, I am your assistant. How can I help you? - - - - - User what are UAVs? - - - - - Assistant Based on our previous conversation and my understanding of the knowledge you've shared with me, I'll respond to your query. **UAVs (Unmanned Aerial Vehicles)** UAVs, also known as drones or unmanned aircraft systems (UAS), are [[Remote Controlled Aircraft|remote controlled aircraft]] that operate without a human pilot on board. They can be used for various purposes, including: * Surveillance and reconnaissance * Military operations * Agricultural monitoring * Environmental monitoring * Aerial photography and videography * Package delivery UAVs typically consist of an airframe, engine, propellers, sensors, and a control system. Some UAVs are controlled remotely by a human pilot, while others can fly autonomously using pre-programmed flight plans or GPS navigation. If you'd like to know more about UAVs, feel free to ask! (Note: I couldn't find any specific notes on UAVs in your existing knowledge, so I've provided general information. If you have any additional notes or details, please let me know!) - - - - - User latex absolute value - - - - - Assistant It seems that there is no relevant information about "latex absolute value" in your existing knowledge. However, based on my understanding of LaTeX, I can provide you with a brief explanation. **Absolute Value in LaTeX** In LaTeX, the absolute value of an expression is denoted by the `\lvert` command for left absolute value and `\rvert` command for right absolute value. The `|` symbol can also be used to represent absolute value. For example: * `\lvert x \rvert` represents the absolute value of `x` * `|x|` is an alternative way to represent absolute value If you need more information or have specific questions about LaTeX, feel free to ask! (Note: I've assumed that your knowledge on LaTeX is limited, so I've provided basic information. If you have any additional notes or details, please let me know!) - - - - -