Fit in matlab equations

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Ede gerlderlands
Ede gerlderlands on 17 Jul 2013
How can I fir cube equation in matlab

Answers (1)

Daniel Pereira
Daniel Pereira on 17 Jul 2013
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;
  1 Comment
Ede gerlderlands
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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