Numerical differentiation / forward difference / backward difference / central difference

Numerical differentiation,
Differentiation methods,
Approximating derivatives,
Finite difference methods,
Central difference approximation,
Forward difference approximation,
Backward difference approximation,

#NumericalDifferentiation
#DifferentiationMethods
#ApproximatingDerivatives
#FiniteDifferenceMethods
#CentralDifferenceApproximation
#ForwardDifferenceApproximation
#BackwardDifferenceApproximation