Scientific Calculator

falcon/NRroot

By Falcon

Root of a function using Newton-Raphson method

Tagged: algorithms newton root

var NRroot = function (f, x) {
dx = 1e-15;
eps = 1e-15;
err = 1;
while (err > eps) ->  (
x0 = x;
x = x0  - f(x0)*dx / (f(x0+dx)-f(x0) );
err = abs(x-x0);
);
x
}

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