non linear regression with 3 equations

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Pooh
Pooh 2011년 7월 2일
댓글: Walter Roberson 2020년 6월 7일
I have y1=k1(x1), y2=k2(x2), and y3=k3(x3) they are in ODE form I would like to fit my data, (y1,x1), (y2,x2), and (y3,x3) and find k1, k2, and k3? please help!! for non linear fiting, any method would be OK.

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you
you 2011년 11월 21일
you may try another software named 1stOpt or Auto2Fit, it is easy for ODE fit.
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huazai2020
huazai2020 2020년 6월 7일
What is the difference between 1stOpt or Auto2Fit?
Walter Roberson
Walter Roberson 2020년 6월 7일
No difference. Auto2Fit was renamed to 1stOpt . The publisher appears to be 7D-soft

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