fit non-linear scatter

Hello, variable already provides in the

Plot = figure;
PV_KL = axes('Parent',Plot);

Unrecognized function or variable 'danstrang'.

[Rik]

Have a read here and here. It will greatly improve your chances of getting an answer.

[Einblick Chang]

hello, Rik

I had see your edited. It reads the same.

[Mathieu NOE]

data ? code ? what purpose ? errors ?

[Einblick Chang]

Hello, due to Rik just copy the content and Mark Jacobi gave the file on his link but now he cancel the message, you can't see. That I downloaded the link and deleted the original message (code) on the website. If I still need your assist, I will leave message here.