Fit in matlab equations

17 Jul 2013

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How can I fir cube equation in matlab

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Daniel Pereira on 17 Jul 2013

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Did you try

z = x^-3;
p = polyfit(z,y,1)

then

yy = p(1) * z + p(2);

which has the form

yy = a * x.^-3 + b;

Ede gerlderlands on 17 Jul 2013

Edited: Ede gerlderlands on 17 Jul 2013

I modified my question as per your suggestion. There are issues I mentioned in the questions. Thank you

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