lagrange interpolation and derivative
Sin licencia
This function performs the Lagrange interpolation of a function (y) or its derivative (dy/dx).
usage:
y=lagrange(x,pointx,pointsy,0) or
dy=lagrange(x,pointx,pointsy,1) or
dy=lagrange(x,pointx,pointsy,2)
There are two ways to find the derivative. If dydx_on (varargin(4)) is set to 1, it will base the derivative on pointx and pointsy (y will be dy/dx). If dydx_on == 2, the derivative is based on the interpolated points.
pointsy can be an array.
This function can get slow for large amounts of control points. Also, make sure to have extra control points outside the region of interpolation interest if there are lots of control points.
Citar como
Geoff Wawrzyniak (2024). lagrange interpolation and derivative (https://www.mathworks.com/matlabcentral/fileexchange/11964-lagrange-interpolation-and-derivative), MATLAB Central File Exchange. Recuperado .
Compatibilidad con la versión de MATLAB
Compatibilidad con las plataformas
Windows macOS LinuxCategorías
- MATLAB > Mathematics > Interpolation >
Etiquetas
Agradecimientos
Inspirado por: Lagrange polynomial interpolation
Inspiración para: Lagrange Interpolator Polynomial
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!Descubra Live Editor
Cree scripts con código, salida y texto formateado en un documento ejecutable.
Versión | Publicado | Notas de la versión | |
---|---|---|---|
1.0.0.0 | Found error in the description of input arguments. Polished up code per the code metrics. |