In this chapter we cover different aspects of integration, with the main focus on numerical integration. For historical reasons, numerical integration is also known as quadrature. Integration is significantly more difficult than its inverse operation – differentiation – and while there are many examples of integrals that can be calculated symbolically, in general we have to resort to numerical methods. Depending on the properties of the integrand (the function being integrated) and the integration limits, it can be easy or difficult to numerically compute an integral. Integrals of continuous functions and with finite integration ...

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