A multistep formula is a numerical method that uses information from multiple previous points to estimate the solution of a differential equation at the next point. These formulas are often more accurate than single-step methods because they incorporate more data, allowing for better approximations of the function's behavior. In particular, they play a crucial role in the context of the Adams-Bashforth methods, which are explicit multistep techniques that take advantage of known values to predict future values.
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