The interval size refers to the length or width of the interval used in estimating derivatives. It determines how close the points are to each other on a graph.
Related terms
Finite Difference: A numerical method for approximating derivatives using small intervals and function evaluations.
Secant Line: A line that passes through two points on a curve, often used for approximating derivatives.
Rate of Change: The amount by which a quantity changes over time or another independent variable.