Polyfit with Some Coefficients Fixed

22 visualizaciones (últimos 30 días)
Saeid
Saeid el 19 de Oct. de 2018
Respondida: Torsten el 19 de Oct. de 2018
I want to fit a set of data using polyfit, but I want certain coefficients to have fixed values. E.g., if the data is to be fitted to a second order polynomial,
y(x)=ax^2+bx+c
I want c to always be equal to zero. Is it possible to define constraints on the polyfit or should I just move on to the Curve Fitting Toolbox?

Iniciar sesión para responder a esta pregunta.

Respuestas (1)

Torsten
Torsten el 19 de Oct. de 2018
For the case you describe, you can use "polyfitn":
https://de.mathworks.com/matlabcentral/fileexchange/34765-polyfitn
Best wishes
Torsten.

Categorías

Más información sobre Linear and Nonlinear Regression en Help Center y File Exchange.

Etiquetas

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by