Variable Order Derivatives

Versión 1.4.0.0 (139 KB) por Duarte Valério
Functions for implementing fractional or complex order derivatives, when the order changes with time
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Actualizado 10 may 2010

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These functions calculate fractional or complex order derivatives, when the order changes with time. Riemann-Liouville, Caputo and Grünwald-Letnikoff definitions are provided; the three variations considered by Lorenzo and Hartley are considered. Fuzzy supervised implementations in Simulink, based upon Oustaloup's Crone approximations, are also provided.

Citar como

Duarte Valério (2024). Variable Order Derivatives (https://www.mathworks.com/matlabcentral/fileexchange/24444-variable-order-derivatives), MATLAB Central File Exchange. Recuperado .

Compatibilidad con la versión de MATLAB
Se creó con R2007b
Compatible con cualquier versión
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Inspirado por: Gamma

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Versión Publicado Notas de la versión
1.4.0.0

Files for variable order, linear phase Crone approximations have been added.
1.3.0.0

1) A nasty bug affecting variable complex order derivatives was fixed. 2) C^\infty interpolation of zeros and poles now uses exact Crone formulas only.
1.2.0.0

Required function gamma.m (from http://www.mathworks.com/matlabcentral/fileexchange/3572) now included.
1.1.0.0

Simulink files for complex orders now provided.
1.0.0.0