Quasinumerical

Quasinumerical refers to a method or approach that lies between purely analytical and purely numerical techniques. It combines aspects of both to solve problems that might be difficult or impossible to tackle with either pure analytical or pure numerical methods alone. Essentially, a quasinumerical method uses some analytical insights to simplify the problem, then employs numerical approximations for the remaining parts. This often leads to more efficient or accurate solutions than purely numerical approaches, while still being tractable for problems where a complete analytical solution is elusive. It can involve approximating a function analytically over a certain domain or using analytical expressions for parts of the problem while numerically evaluating others. The term suggests a process that is "almost" numerical but incorporates a significant degree of analytical understanding or manipulation.