In numerical analysis, Newton’s method (also known as the Newton–Raphson method), named after Isaac Newton and Joseph Raphson, is a method for finding successively better approximations to the roots (or zeroes) of a real-valued function. The idea of the…
http://myfusimotors.com/2019/01/09/newtons-method/
Yeah the Newton-Raphson method is very fast indeed. I used it to approximate a solution needed for a degree 9 polynomial to model the speed of a decelerating plane as part of a differential equations project a few years back. After very few iterations, the required solution was approximated to 3sf.
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