Symbolic-numeric integration of univariate expressions based on sparse regression
Symbolic-numeric integration of univariate expressions based on sparse regression
The majority of computer algebra systems (CAS) support symbolic integration using a combination of heuristic algebraic and rule-based (integration table) methods. In this paper, we present a hybrid (symbolic-numeric) method to calculate the indefinite integrals of univariate expressions. Our method is broadly similar to the Risch-Norman algorithm. The primary motivation …