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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.

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PLANETCALC, Newton's method

Newton's method

Digits after the decimal point: 4
Function
x3+3x2+12x+8
Derivative
x(3x+6)+12
x
-0.7790
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Iterations

StepxF(x)|x(i) - x(i-1)|
x1-3.2105-32.696311.78947
x2-1.8286-10.025861.38197
x3-0.9220-1.297750.90654
x4-0.77810.007820.14390
x5-0.77900.000000.00086
x6-0.77900.000000.00000

Calculators used by this calculator

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PLANETCALC, Newton's method

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