Samuel:
Oh, this is embarrasing... I did a web search on non-linear fit and
somehow the top results always point at an outdated version (5.5.2) of
Scilab's documentation. I wonder why
Thanks, the new documentation is much better!
Regerds,
Federico Miyara
On 04/04/2020 06:58, Samuel Gougeon wrote:
Le 04/04/2020 à 09:26, Federico Miyara a écrit :
Dear All,
I'm trying to understand the function datafit.
The documentation says:
datafit is used for fitting data to a model. For a given function
G(p,z), this function finds the best vector of parameters p for
approximating G(p,z_i)=0 for a set of measurement vectors z_i.
Vector p is found by minimizing
G(p,z_1)'WG(p,z_1)+G(p,z_2)'WG(p,z_2)+...+G(p,z_n)'WG(p,z_n)
I don't quite understand what is G(p,z_1)'WG(p,z_1). Are some product
signs * missing? Shouldn't it be G(p,z_1)'*W*G(p,z_1)? Are these
signs implied as in regular algebra notation?
Hello Federico,
Please see the documentation of the /latest/ scilab release:
https://help.scilab.org/docs/6.1.0/en_US/datafit.html
Regards
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