derdata - Data Points Mth Derivative Using Specific Methods
% derdata
% This function finds the derivative m of a given data points (x,y) using
% any method you want at xx point.
% ----------------------------------------------
% inputs
% x x points
% y f(x)
% method forward, backward, central
% xx the point of interest
% m derivative order
% tv - (optional) true value of the derivative.
%
% x could be evenly spaced or unevenly spaced
% central means hybrid of forward and backward (more accurate)
% it does not mean the point should be in the middle.
% ---------------------------------------------------------------------
% output
% sol.value - the value of the derivative.
% sol.te - the true error (%) if true value is given
% sol.nx - number of points used to calculate the derivative
% ---------------------------------------------------------------------
% example
% x=1:9;
% y=x.^3;
% method='central';
% xx=3;
% m=2;
% sol=derdata( x,y,method,xx,m)
%
% ---------------------------------------------------------------------
% All copyrights goes to Mohammad Al-Fetyani
% University of Jordan
Zitieren als
Mohammad Al-Fetyani (2024). derdata - Data Points Mth Derivative Using Specific Methods (https://www.mathworks.com/matlabcentral/fileexchange/69861-derdata-data-points-mth-derivative-using-specific-methods), MATLAB Central File Exchange. Abgerufen .
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- Mathematics and Optimization > Partial Differential Equation Toolbox > Domain-Specific Modeling > Structural Mechanics >
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Version | Veröffentlicht | Versionshinweise | |
---|---|---|---|
1.0.0 |