Activity Coefficient Model Fitting for Binary Mixtures

A model fitting for Activity Coefficients of Binary Mixtures given Vapor-Liquid Equilibrium (VLE) Data

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Robby Ching (2026). Activity Coefficient Model Fitting for Binary Mixtures (https://la.mathworks.com/matlabcentral/fileexchange/90302-activity-coefficient-model-fitting-for-binary-mixtures), MATLAB Central File Exchange. Recuperado .

Agradecimientos

Inspiración para: NRTL(Non Random two liquids) Activity Coefficient

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Más información sobre Thermodynamics and Heat Transfer en Help Center y MATLAB Answers.

Información general

Compatibilidad con la versión de MATLAB

  • Compatible con cualquier versión

Compatibilidad con las plataformas

  • Windows
  • macOS
  • Linux
Versión Publicado Notas de la versión Action
1.0.8

Added the following models:
NRTL
4-Suffix Margules
2-Suffix Margules
*The initial Margules model is 3-suffix (2 parameter model)

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1.0.7

Updated the index of RMS, now base on the number of data points from the VLE data.

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1.0.6

Fixed the SSE function. In the past versions, the evaluation works as: SSE(SSE(function)) since lsqnonlin already evaluates the SSE of the function. This has been fixed in this update.

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1.0.5

Syntax 2 using polyfit is now the open code instead of mvregress for margules.m and van laar.m so no need to download the statistics and machine learning toolbox.

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1.0.4

Update 2 on the Wilson, Van Laar and Margules Models

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1.0.3

Updated the documentation for Wilson, Van Laar and Margules.

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1.0.2

-Added a UNIQUAC model. All the models so far are still for isothermal conditions.
-Minor changes on Wilson, Van Laar, and Margules m files. There were indexes adjusted to n-1 instead of a value of 11.

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1.0.1

The only data to be loaded are x1, y1 and P.

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1.0.0

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