Curve Sketching
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...
Platforms: Linux
License: Freeware | Size: 20.8 MB | Download (475): CurveExpert Professional for Linux Download |
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...
Platforms: Windows
License: Shareware | Cost: $349.00 USD | Size: 44.07 MB | Download (449): DataScene Professional for Windows Download |
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...
Platforms: Windows
License: Shareware | Cost: $249.00 USD | Size: 7.34 MB | Download (61): DataFit Download |
DataFitX is a COM component (in-process ActiveX DLL) which allows you to add a powerful nonlinear regression (curve fitting) engine to your software with just a few simple lines of code. DataFitX is developed using COM, so it can be used in any environment that supports COM, including Microsoft...
Platforms: Windows
License: Shareware | Cost: $549.00 USD | Size: 2.24 MB | Download (54): DataFitX Download |
Civil Engineering design surveying calculation software - surveying calculations for curve geometry, topographic surveying, and unit conversions. Covers calculations for horizontal curves, vertical curves, spiral curves, lattitudes and departures, azimuths, northings and eastings, area...
Platforms: Windows
License: Shareware | Cost: $40.00 USD | Size: 6.96 MB | Download (500): CE CALC - Surveying Calculator Download |
ECC library is a package for Elliptic Curve cryptography.ECC is implemented by using OpenSSL 0.9.6a or higher, for message digests and symmetric ciphers, and by using the Portable Object Compiler and Computer Algebra Kit for the elliptic curve cryptography.
Platforms: C and C plus plus
License: Freeware | Size: 61.44 KB | Download (44): ECC library Download |
G3 = gauss3D(sz_X, sz_Y, sz_Z, a, prec);returns a 3 dimensional matrix being a gaussian bell curve where the width in the (x/y/z)-dimension is proportional to 1/a(1), 1/a(2) and 1/a(3), respectively. "prec" is the data precision.Default is a=[2.5 2.5 2.5] and prec='double'Examples:Cubic-shaped...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Gaussian window in 3 dimensions Download |
Two quaternary systems are studied: (1) Acetic Acid - Ethanol - Water- Ethyl Acetate and (2) Acetic Acid - Butanol - Water- Butyl Acetate. In these two systems, liquid phase esterification occurs. The residue curve map is computed using the UNIQUAC model and gas phase acetic acid dimerization....
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (41): Residue Curve Map Computation using UNIQUAC Model: Case of a Quaternary Reactive System Download |
This GUI uses a constant relative volatility (alpha) to estimate the equilibrium curve. From there, the GUI uses the "McCabe and Thiele Graphical Method" to estimate the ideal number of plates in the column.A reference is provided in the GUI: look in Help/About.Comments, suggestions or bugs,...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): GUI for distillation columns: McCabe and Thiele Method. Download |
This routine plots the cubic-spline curve that will pass through given set of points.It is assumed that the user has knowledge of the Mathematics that is being used in the program, if he / she has to understand the logic.As a 'user of routine' rather, there is no complexity as far as usability is...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): My Cubic Splines Download |
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)...
Platforms: Matlab
License: Freeware | Size: 225.28 KB | Download (46): GUI for Generalized Nonlinear Non-analytic Chi-Square Fitting Download |
A GUI wich use the matlab core function "fminsearch" to fit data with any multivariable function (with a "live" visualisation of the moving fitted curve). This function can be run with real equations, complex equations,and all other functions like step and bode. Simple to use.
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (48): uifit Download |
The files residu.m and residue2.m contain two functions called by the main program: calresd.m . The objective is to compute the residue curve map for the ternary system chloroform-acetone-methanol at 760 mmHg using the Wilson model to compute activity coefficients.Similar computations can be...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Residue Curve Maps of Ternary Systems Download |
This example solves a complex curve fitting problem that involves parameter pooling and stratification using a nonlinear least-squares approach. This example also takes advantage of some new language features with MATLAB 7. * Anonymous functions * Nested functions
Platforms: Matlab
License: Freeware | Size: 51.2 KB | Download (42): AdvCurveFit Download |
There is no selection in Curve Fitting Toolbox that the property of the plot could be changed, for example, log plot, loglog plot. This is useful expecially when you are fitting a log or exponential curve. Help included.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): cfaxisset Download |
A function which plots 'dragon curve' fractals. Tested under MATLAB 4.2c & 5.3
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): dfractal.m Download |
A function which plots the 'Koch curve' fractal.Tested under MATLAB 5.3
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): Koch.m Download |
The Gini coefficient is a measure of the inequality of a distribution (often used for income or wealth distributions). The Lorentz curve is a graphical representation of this inequality which is intimately related to the Gini coefficient. The program is straightforward to use. Please consult the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (52): Gini coefficient and the Lorentz curve Download |
Package on Inequality Metrics such as the Gini Coefficient associated to the Lorenz Curve, the Theil and the Atkinson Indexes.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): Inequality Package Download |
allCode.m contains the sequence of code used during the demonstration.The data files:medflies.mat - the fruitfly dataflicker.mat - the flickering light databreastcancer.mat - the breast cancer mortality datasulfate.mat - the blood concentration data.Fisher's iris data are available in the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): BioMedical EDU Webinar - Statistics and Curve Fitting Download |