Description: Negative reward is a fundamental concept in reinforcement learning, referring to a penalty imposed on an agent when it takes an undesirable action. This type of feedback aims to discourage unwanted behaviors, thus promoting more efficient learning. In the context of reinforcement learning, an agent interacts with an environment and makes decisions based on the rewards or penalties it receives. The negative reward acts as a correction mechanism, guiding the agent towards more beneficial actions and away from those that result in unfavorable consequences. This approach is based on the premise that agents will learn to avoid actions that generate penalties, optimizing their behavior over time. Negative reward is particularly relevant in environments where decisions can have a significant impact, such as in robotics, video games, and various artificial intelligence applications. By providing a clear structure of consequences, the learning process is facilitated, allowing agents to develop more effective and adaptive strategies. In summary, negative reward is a key tool in reinforcement learning that helps shape agent behavior by penalizing undesirable actions.