I have a set of datapoints that I have tried to find a trendline equation for using Excel, but Excel is returning a value that is completely incorrect. I need to find it using something a bit more accurate such as MATLAB, however I don't know the first thing about using MATLAB. I need an accurate polynomial equation from the data attached. This should only take a couple of minutes for someone experienced with MATLAB.
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Hello Friend. I do the work in R. I did some tests and found this setting: R-squared = 0.997, are you interested?. See my profile, portfolio and comments. Best regards
I can help by providing a detailed Matlab code to fit a polynomial with options for you to control and even use with future data. I will discuss and modify codes to your requirements
I am a MATLAB expert and telecommunication / machine learning engineer. I have a vast experience in MATLAB as I have done almost 40+ projects in MATLAB. I have already solved your probelm.
PhD electrical engineering from one of the top universities in Canad. Assistant professor in the mathematics department as well as the electrical engineering department. 20 years MATLAB experience.