linear curve fitting

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does anyone know how this is done? *seriously don't understand >.<<br mode="hold" />and we need to do this in C.
any response would be of help! thanks :)

http://i911.photobucket.com/albums/ac312/CatherineTheAnimeLover/untitled-1.png?t=1365321502[^]

does the link work now? TT^TT

Posted 6-Apr-13 2:30am

DxWhiteman

Updated 6-Apr-13 22:00pm

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Kenneth Haugland 6-Apr-13 9:03am

Link still dont work, if thats what you updated.

DxWhiteman 7-Apr-13 4:02am

thanks for telling ^^ *fixin

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CPallini · Answer 1 · 2013-04-06T03:57:00

Solution 2

You might use Least Squares[^]. The book Numerical Recipes in C[^] provides code sample (see chapter 15, section 2).

Posted 6-Apr-13 3:57am

CPallini

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Kenneth Haugland 6-Apr-13 9:59am

Actually, some of the code in the book originally came from Netlib.

DxWhiteman 7-Apr-13 4:02am

I'll check this out too, thanks :)

edited the link *once again, hope it works >.>

Kenneth Haugland · Answer 2 · 2013-04-06T02:44:00

Your link is broken so I dont know what you want. I depends what you are looking for, but Ill bet the answer coul dbe found in either one of the articles here on codeproject, or in the bok "The NURBS book" as it contains several curve fitting algorithms.

Edit:
Or you could search for "curve fit" on this page:
http://www.netlib.org/cgi-bin/search.pl[^]

The algorithms on this page is considered so imporatant that the reasearch community decided to give out the program code, however it might be licenced and only free for research.

linear curve fitting

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