Systems modeling is an interdisciplinary field that involves the development and use of mathematical and computational models to study complex systems. These systems can range from biological systems to social systems to engineering systems, and the goal of systems modeling is to understand how various components of a system interact and influence each other in order to predict system behavior and make informed decisions. Systems modeling typically involves the use of tools and techniques such as computer simulations, data analysis, and mathematical modeling to represent the dynamics and relationships within a system. By creating models of systems, researchers can gain insights into how different variables and factors affect system behavior, and can use this information to optimize system performance, design interventions, and solve real-world problems. Overall, systems modeling is a powerful tool for understanding and managing complex systems, and has applications in a wide range of fields including biology, ecology, economics, and engineering.