EASY-FIT ModelDesign Background
EASY-FIT ModelDesign Icon

Interactive software system for parameter estimation and experimental.

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EASY-FIT ModelDesignOverview

Interactive software system for parameter estimation and experimental design for dynamical systems based on:

explicit model functions
Laplace transforms
steady state systems
Ordinary Differential Equations (ODE)
differential algebraic equations (DAE)
one-dimensional, time-dependent partial differential equations (PDE)
one-dimensional, partial differential algebraic equations (PDAE)

Proceeding from given experimental data, i.e., observation times and measurements, the minimum least squares distances of measured data from a fitting criterion are computed, which depends on the solution of the dynamic system. Various types of one-dimensional partial differential equations are permitted, also hyperbolic ones describing shock waves. Advection, diffusion, transport, or related equations can be solved successfully by non-oscillatory discretization schemes, even with non-continuous initial or boundary conditions.

A statistical analysis provides confidence intervals for estimated parameters, correlation and covariance Matrix, identification of significance levels for estimated parameters, and optimum experimental design. As a by-product, curve and surface fits are available.

The software runs under MS-Windows Vista or XP, and a version for Windows 2K or earlier is available on request. For models based only on algebraic equations, see EASY-FIT Express. For minimizing any nonlinear functions subject to nonlinear constraints, see EASY-OPT Express. In both cases, a free download is offered.

New

Fixed some bugs.

EASY-FIT ModelDesignTech Specs

Version
5.1
Date
03.13.10
License
Free
Language
English
File Size
69.59MB
SubCategory
Operating Systems
Windows Vista, XP
System Requirements
No additional system requirements.

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