Integration over log space

Version 1.1.0.0 (2,07 ko) par yoash levron
Approximates an integral with samples on a logarithmic scale
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Mise à jour 27 déc. 2015

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Approximates integrals of functions which are sampled over a logarithmic space.
The integration is accurate where the function Y is smooth (piece-wise linear) on a logarithmic scale. For such functions the integral may be evaluated accurately, using fewer samples in comparison to linear sampling. A natural application is integration of transfer functions, for which the frequency samples are usually logarithmically spaced.
Inputs:
X - vector of samples.
Y - corresponding function values. If Y is a matrix, each of its columns is integrated with respect to X.
Output:
int - integration result.
Written by Dr. Yoash Levron, Dec. 2015

Citation pour cette source

yoash levron (2024). Integration over log space (https://www.mathworks.com/matlabcentral/fileexchange/54650-integration-over-log-space), MATLAB Central File Exchange. Récupéré le .

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Créé avec R2013a
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Version Publié le Notes de version
1.1.0.0

Update: If Y contains zero columns the corresponding integrals are zero.
1.0.0.0