Thank you very much. I am trying out the datafit().

Samuel  Enibe


On Wed, 17 Sept 2025, 07:30 Federico Miyara, 
<[email protected]<mailto:[email protected]>> wrote:

Samuel,

I don' seem to be able to find such function nlinregr() in the Scilab 
documentation. However a web search leads to an ATOMS toolbox which seems 
somewhat preliminary. Have you installed it?

However, I would suggest to use datafit() instead, a Scilab function capable of 
adjusting parameters of a candidate non linear function to fit certain 
empirical data. It has worked fine for me. There are also leastsq() and 
lsqrsolve(), which I didn't use.

Regards,

Federico Miyara


On 16/9/2025 12:51, Samuel Enibe wrote:


I have been trying to do a non linear regression of the attached data using the 
SCILAB nlinregr function. I chose this function so that the regression 
coefficient and other parameters can be obtained.

Unfortunately, this has not worked.

I have attached the relevant portions of the code and the CSV file containing 
the data.

Any assistance towards solving this problem will be appreciated. For example, 
is there another SCILAB function that can handle the issue.



Samuel Ogbonna Enibe
University of Nigeria Nsukka Nigeria

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