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How can i make program for method of iteration ...please help me out .. equation is X^3-2x=1

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Rana Adeel
Rana Adeel 2016-10-5
回答： Yona 2016-10-5
How can i make program for method of iteration ...please help me out .. equation is X^3-2x=1 I am learning Numerical method.

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Yona
Yona 2016-10-5
you need to find a function of X from your equation for your example X^3-2X=1
you get X(X^2-2)=1 and then X=1/(X^2-2)
so build a function that calculate f(x)=1/(X^2-2)
in loop you can do
x=0.5;
for i=1:n
x=1/(x^2-2)
end
It better to put better rule then do N iteration (for example, the change in x is lower then eps)

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