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Topic: Curve fitting using fminsearch
Replies: 1   Last Post: Oct 14, 2013 9:43 AM

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Alan Weiss

Posts: 1,208
Registered: 11/27/08
Re: Curve fitting using fminsearch
Posted: Oct 14, 2013 9:43 AM
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On 10/11/2013 2:19 PM, beginner1.mat@hotmail.com wrote:
> I have a single column vector of data (DATA1) and would like to create a second column vector of data (NEW_DATA) that is a sine function of DATA1. Can this be down using fminsearch? That is, the NEW_DATA would be a column vector (based on a sine function) that would basically minimize the difference from DATA1-NEW_DATA. If so, can someone help with the steps involved. I tried looking online and it seems like I would create a new m.file, but don't even know where to begin.
>
> This is literally all I have so far:
>
> DATA1=DATA1 (:,1)%this is my data I would like to "fit"
>
>


Perhaps this example will help:
http://www.mathworks.com/help/matlab/math/example-curve-fitting-via-optimization.html

Alan Weiss
MATLAB mathematical toolbox documentation



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