Difference between revisions of "Lcurve.m"
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L-curve analysis function. Syntax: | L-curve analysis function. Syntax: | ||
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lam_opt=lcurve(lam,err,reg,mode) | lam_opt=lcurve(lam,err,reg,mode) | ||
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The function returns the regularisation parameter at the point of the maximum curvature of the L-curve. | The function returns the regularisation parameter at the point of the maximum curvature of the L-curve. | ||
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''Version 1.9, authors: [[Ilya Kuprov]]'' | ''Version 1.9, authors: [[Ilya Kuprov]]'' | ||
Revision as of 12:26, 25 April 2026
L-curve analysis function. Syntax:
lam_opt=lcurve(lam,err,reg,mode)
Parameters:
lam - row vector of regularisation parameters
err - row vector of least squares errors
reg - row vector of regularisation functional values
mode - 'log' for logarithmic coordinates and 'linear'
for linear ones; 'log' is recommended
The function returns the regularisation parameter at the point of the maximum curvature of the L-curve.
Version 1.9, authors: Ilya Kuprov
Arguments
lam - row vector of regularisation parameters
err - row vector of least squares errors
reg - row vector of regularisation functional values
mode - 'log' for logarithmic coordinates and 'linear'
for linear ones; 'log' is recommended
The function returns the regularisation parameter at the point of the maximum curvature of the L-curve.
ilya.kuprov@weizmann.ac.il
See also
tikhonov.m, tikhoind.m, ipcs.m, Pseudocontact shift analysis
