PWLINT: Piecewise Linear Integration

Versione 1.0.0.0 (1,73 KB) da Andrew Davis
Return positive and negative areas, assuming a piecewise linear function
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Aggiornato 26 gen 2012

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PWLINT.m
Calculate the positive and negative area under a curve
using trapezoids, assuming a piecewise linear function

Requires insertrows:
http://www.mathworks.com/matlabcentral/fileexchange/9984

Inspired by this thread:
http://www.mathworks.com/matlabcentral/newsreader/view_thread/252131

Usage:
[Apos, Aneg, Anet] = pwlint(x,y)
x: vector of independent variable
y: vector of dependent variable
Apos: area between y=0 and positive y values
Aneg: area between y=0 and negative y values
Anet: Apos+Aneg; equal to trapz(x,y)

See also TRAPZ, SUM

Cita come

Andrew Davis (2024). PWLINT: Piecewise Linear Integration (https://www.mathworks.com/matlabcentral/fileexchange/34787-pwlint-piecewise-linear-integration), MATLAB Central File Exchange. Recuperato .

Compatibilità della release di MATLAB
Creato con R2011a
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Ispirato da: insertrows

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Versione Pubblicato Note della release
1.0.0.0