Software Listing: Fitting

LAB Fit is a software for Windows developed for treatment and analysis of experimental data. At LABFit program you are able to: 1) Treat similar data (grouped and ungrouped dataset, one or two samples); 2) Treat non-similar data; 3) Determine propagated error (error propagation up to eight independent variables); 4) Plot 2D and 3D graph (normal, parametric, imported dataset, contour of maps); 5) Execute math calculations (system of linear equations, roots of function, non-linear equation, ordinary differential equation - ODE up to fifth order, system of differential equations - up to five first order ODE, calculator, etc); 6) Extract data (x;y) from a 2D graph (digitizing); 7) Curve Fit (nonlinear regression - least squares method, Levenberg-Marquardt algorithm - with almost 500 functions at the library, with 1 and 2 independent...

  • Platform: Unix, Win2000, WinOther

FitChiTool provides an interface similar to the Curve Fitting Toolbox to the fitChiSquare function. This allows you to perform fits using chi-square when measurement errors are known on linear or nonlinear models. It allows allows you to perform fits with multiple independent (more than one x) variables. If measurement errors are unknown, it performs nonlinear least-squares fitting (chi-square equal to 1). To get started with FitChiTool, run the tutorial in the included HTML documentation (or run FitChiToolExample)..

  • Platform: Matlab, Scripts

Non Linear curve fitting by primary model.

  • Publisher: Bachir
  • Date: 17-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Slides from the recorded webinar in Portuguese: "Data Driven Fitting com MATLAB" All demo program files are available here: http://www.mathworks.com/matlabcentral/fileexchange/31562.

  • Platform: Matlab, Scripts

Math tool for linear, nonlinear curve fitting and surface fitting. 1. Implement curve fitting and graphing of linear models and nonlinear models. 2. Implement surface fitting and graphing of any binary function models. 3. 4d data fitting and graphing. 4. Polynomial fitting and graphing. 5. Excel-like data editor is easy to use. 6. Ability to move, zoom in, zoom out and rotate the graphs in plot area. 7. Ability to save graphs as bmp file..

  • Publisher: GraphNow
  • Date: 21-09-2013
  • Size: 2500 KB
  • Platform: Win2000, Win7 x32, Win7 x64, Windows Server, WinOther, WinVista, WinVista x64

Visual Fitting Pro is a comprehensive and reliable software that helps you to easily implement linear and nonlinear curve fitting.

By using Visual Fitting Pro you have the possibility to create 2D curves in order to visualize the fitting models, move, zoom in or zoom out the graphs in plot area, as well as to save graphs as BMP files.


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  • Platform: Windows 7, Windows 8, WinOther, WinVista

Box Fitting is a handy and easy-to-use Photoshop plugin designed to help users generate randomly fitted boxes.

From the main interface, users have the possibility to set the wanted number of boxes, the size and the color. Then, they can easily adjust their images and preview them on the dedicated left-panel.

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  • Platform: Windows 7, Windows 8, WinOther, WinVista
  • NLREG
  • License: Demo
  • Price: 195.00
  • Rating

NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted. NLREG includes a programming language similar to C that you use for describing the function to be fitted. Two dimensional line and three dimensional surface plots can be generated. The programming language includes a large selection of built-in library functions (sin, cos, log, exp, etc.) that makes it easy to describe complicated models..

  • Platform: Win2000, Windows Server, WinOther
  • DataFit
  • License: Shareware
  • Price: 229.00
  • Rating

DataFit is a tool used to perform nonlinear regression (curve fitting), statistical analysis and data plotting. What sets DataFit apart from similar curve fitting and regression programs is its ease of use. DataFit is driven by a well-designed graphical interface, so there are no complicated instructions to remember and no programs to write. Data entry is achieved through a standard spreadsheet interface, which supports ASCII and ODBC data source import, as well as cutting and pasting data from the clipboard. With DataFit, you can perform linear or nonlinear regression on data containing up to 20 independent variables.

  • Platform: Win2000, Windows Server, WinOther

Color Fitting helps you create color schemes for web and graphic design, slide shows and software interfaces, digital pictures and animations, DIY and stage decoration, clothing and fashion accessories, and anywhere where colors are used. You can spot good color combinations when you see them or a beautiful color when you see it, so there's no better way to create color schemes than to free your mind to appreciate colors as they are in a context designed to favor creativity..

  • Platform: Win2000, Windows Server, Windows Vista, WinOther

Powerful but easy-to-use graphing, curve fitting and calculating software. Graphs Cartesian (Y(x) and X(y)), polar and parametric functions, graphs of tables, equations (implicit functions), inequalities and slope fields. Up to 100 graphs in one window. Calculus features: regression analysis, obtaining zeroes and extrema of functions, intersections, derivatives, equations of tangents and normals, numerical integration, value tables, calculator. Lots of graph and coordinate plane parameters. You will be able to create high-quality graphs and copy them to your documents (as EMF or BMP). This graphing software also has printing capabilities, multi-document interface, customizable toolbars.

  • Platform: Win2000, Windows Server, Windows Vista, WinOther

The software system solves constrained nonlinear parameter estimation problems. Synonyms are data fitting, nonlinear regression, parameter identification, curve and surface fitting. The numerical methods are based on highly efficient Gauss-Newton-SQP algorithms. Model functions are defined in a modeling language called PCOMP and are interpreted and evaluated during runtime.

General: Arbitrary fitting criteria depending on parameters to be estimated, additional nonlinear equality or inequality constraints, and optionally on a second independent model variable

Numerical routines: Gauss-Newton-type SQP methods, automatic differentiation, alternative norms (sum of absolute values, maximum of absolute values), confidence intervals for estimated parameters, correlation and covariance matrix, identification of significance...

  • Platform: WinOther, WinVista

The system solves constrained nonlinear parameter estimation (nonlinear regression, data, curve and surface fitting) problems based on ODEs, DAEs, PDEs, PDAEs, steady-state systems, Laplace equations, and analytical functions. A statistical analysis provides confidence intervals, correlation and covariance matrix, identification of significant parameters, and allows optimum experimental design. Model equations are defined in a modeling language called PCOMP and are interpreted and evaluated during runtime. General: Arbitrary fitting criteria depending on the solution of a dynamical system, e.

  • Platform: WinOther, WinVista

Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closest-value, linear, piecewise parabolic or hyperbolic, cubic spline and polynomial up to 20th order. The functions can also handle tables containing missing and invalid data.
Includes functions to fit polynomial curves through a set of X-Y data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve.
In case of an error, TriLookup functions can either return a standard Excel error code or a detailed text error message, indicating the nature of the error and pointing to the cause of it.

  • Platform: Mac OS X
  • Weliket
  • License: Shareware
  • Price: 5
  • Rating

Weliket tool is a VIRTUAL FITTING ROOM that allows you shop the web, grab ANY image from ANY online retailer, and INSTANTLY start a live session to connect with friends from any social network. All product information is carried over with the image! Now get the trusted feedback you need IN REAL TIME to make better (enjoyable) purchasing decisions. Weliket is a free browser add-on that allows you to select items from any website by dragging them. The Weliket Bar will work with Internet Explorer versions 6 and higher. The Weliket Bar supports 32 bit versions of Windows XP and Vista. Go to the Help menu located at the top of your browser.

  • Platform: Win2000, Win7 x32, Win7 x64, Windows Server, WinOther, WinVista, WinVista x64

DataScene is a scientific graphing, graph animation, data analysis, curve fitting, and data monitoring program. It allows the user to easily plot 2D & 3D graphs (Area, Bar, Pie, Line, Surface, Ploar, and more), to manipulate, print, and export high quality graphs, to analyze data with various mathematical methods (fitting curves, calculating statics, FFT, and more), to create animated graphs for presentations, classes, and web pages, and to chart and process real-time data sources. * Plotting 39 types of graphs with brilliant graph quality. * 3D canvas for most graph types. * A wide variety of highly customizable graphical elements: transparent color, solid brush, gradient brush, image brush, hatch brush with 56 textures, shadow, visual aspect settings, etc.

  • Platform: WinOther

MagicPlot Pro is a handy tool for scientific and engineer data processing, plotting and nonlinear fitting. MagicPlot Pro is powerful enough and consistent. Get MagicPlot Pro and take it for a spin to see what it can actually do for you! Advantages * Compact: Single file ~2 MB * Multilevel undo function for all actions * Useful plot navigation and scaling * Visual nonlinear curve fitting * Vector images export and copying * Automatic formula recalculation on data change * English ligatures support in labels.

  • Platform: WinOther

CurveExpert Basic is a comprehensive curve fitting system for Windows. XY data can be modelled using a toolbox of linear regression models, nonlinear regression models, interpolation, or splines. Over 30 models are built-in, but custom regression models may also be defined by the user. Full-featured graphing capability allows thorough examination of the curve fit. The process of finding the best fit can be automated by letting CurveExpert compare your data to each model to choose the best curve. CurveExpert Basic was designed to be simple but powerful, so that all users can obtain a model for their data quickly and easily.

  • Platform: WinOther

CurveExpert Professional is a cross-platform solution for curve fitting and data analysis. Data can be modelled using a toolbox of linear regression models, nonlinear regression models, smoothing methods, or various kinds of splines. Over 60 models are built-in, but custom regression models may also be defined by the user. Full-featured publication-quality graphing capability allows thorough examination of the curve fit. The process of finding the best fit can be automated by letting CurveExpert compare your data to each model to choose the best curve. The software is designed with the purpose of generating high quality results and output while saving your time in the process.

  • Platform: WinOther

MagicPlot is a handy tool for scientific and engineer data processing, plotting and nonlinear fitting. MagicPlot is powerful enough and consistent. Advantages * Compact: Single file ~2 MB * Multilevel undo function for all actions * Useful plot navigation and scaling * Visual nonlinear curve fitting * Vector images export and copying * Automatic formula recalculation on data change * English ligatures support in labels Limited features.

  • Platform: WinOther

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