Newton's method
This online calculator implements Newton's method (also known as the Newton–Raphson method) for finding the roots (or zeroes) of a real-valued function.
Articles that describe this calculator
Digits after the decimal point: 4
Function
x3+3⋅x2+12⋅x+8
Derivative
x⋅(3⋅x+6)+12
x
-0.7790
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Iterations
Step | x | F(x) | |x(i) - x(i-1)| |
---|---|---|---|
x1 | -3.2105 | -32.69631 | 1.78947 |
x2 | -1.8286 | -10.02586 | 1.38197 |
x3 | -0.9220 | -1.29775 | 0.90654 |
x4 | -0.7781 | 0.00782 | 0.14390 |
x5 | -0.7790 | 0.00000 | 0.00086 |
x6 | -0.7790 | 0.00000 | 0.00000 |
Calculators used by this calculator
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