Elliptic Curve Plotter
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 |
Microfi PyPlot is an easy-to-use function plotter. It is completely open-source, so you can edit it as you feel necessary. The main goal of this project is to provide a clean interface for school teachers and students that want to study math.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (62): Microfi PyPlot 0.1b 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 |
The Ezyfit toolbox for Matlab enables the user to perform simple curve fitting of one-dimensional data using arbitrary (non linear) fitting functions.It will add a new menu to the MATLAB interface, which will make it more easily to write ser-defined fit equations, make interactive selections or...
Platforms: Matlab
License: Freeware | Size: 645.12 KB | Download (40): EzyFit Script Download |
JGraphSketch is an Open Source cross-platform mathematical function plotter written in Java. You can plot Cartesian, Polar and Parametric equations with it. Here is a screen shot. You can zoom the graph, save it in a PNG file and customize each and every plot settings. The software is very...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (37): JGraphSketch Download |
The Stellar Blackbody Radiation Curves model simulates the blackbody radiation curve of stars and how this leads to the observed color and luminosity of the star. If a star can be treated as a blackbody, the blackbody radiation curve of the star, the power density per area (or intensity) per...
Platforms: Mac
License: Freeware | Size: 1.11 MB | Download (36): Stellar Blackbody Radiation Curves Download |
Inkcut is a program used to send HPGL directly to cutter or plotter from Inkscape. Inkcut is used for sign making, namely cutting vinyl graphics, letters, and decals. It should support any device that uses HPGL.
Platforms: *nix
License: Freeware | Size: 153.6 KB | Download (65): Inkcut Download |
Arkan is designed to convert border of a raster mask (selection of an object in scene) or any closed polyline into B-spline (piecewise cubic Bezier curve) representation spread widely in vector graphics packages. Arkan chooses the best position both for node points (junctions of adjacent Bezier...
Platforms: Windows
License: Freeware | Size: 1.52 MB | Download (215): Arkan Download |
Sicyon = scientific (VBScript/JScript) calculator + constant database + units converter + solver + curve-fit
Platforms: Windows
License: Freeware | Size: 5.4 MB | Download (136): Sicyon Lite Download |
SimplexNumerica is an object-oriented numerical data analyzer, plot and presentation program. SimplexNumerica is proving to be extremely popular among scientists. Ergonomic programming using the newest Windows programming guidelines with toolbars, context dialogs and interactive diagrams...
Platforms: Windows
License: Freeware | Size: 21.77 MB | Download (248): SimplexNumerica Download |
A real-time graph plotter. While your application is computing and logging results to a CSV file using the LiveGraph Writer API, the plotter lets you visualise and monitor the results live - by instantly plotting charts and graphs of the data. A concise user interface allows to manage 100s of...
Platforms: Windows
License: Freeware | Size: 889 KB | Download (532): LiveGraph Download |
Photoshop plugin for curve line halftoning effects like woodcut, gravure or guilloche, and various "screen lines" effects. Full control over halftone line density, orientation, curvature and line direction variations over the image. Fully compatible with various image editors, from Photoshop to...
Platforms: Windows
License: Freeware | Size: 97 KB | Download (546): Xylograph LE Download |