perturbational
/ˌpɜrtərˈbeɪʃənəl/
adjective
- Relating to or involving a small change or disturbance in a system, especially in scientific or mathematical contexts.
- They used a perturbational approach to solve the complex equation.
- The perturbational effects of the new planet were studied by astronomers.
- The perturbational analysis showed how the system responded to small forces.