Curve Fitting

fitChiSquare is a generalized chi-square fitting routine for any model function when data measurement errors are known; it returns the model parameters and their uncertainties at the delta chi-square = 1 boundary (68% confidence interval). It also returns the chi-square and degrees of freedom...

Computation of the residue curve map for the MTBE chemistry is presented in the program. The equilibrium, taking place in the liquid phase, transforms methanol and isobutene into MTBE with n-butane being an inert component. Thermodynamic data can be found in the excellent paper by Niang and...

this is the first generation of the 'fig2real' programme. i will modify it and upload it again.this programme used to get the plynomial equation of curve drawn on picture.....thanks mathwork


Platforms: Matlab

The two programs computes residue curve maps for the methyl acetate and isopropyl acetate chemistries at atmospheric pressure. These calculations involve solving a complex system of differential algebraic equations (DAEs). This can be readily achieved using the built-in function of MatLab,...


Platforms: Matlab

Bootstrap the yield curve, discount curve and the forward curve from market data***************** BOOTSTRAPPING RESULTS **********************Time (Years)| Yield Curve | Discount Curve| Forward Curve |----------------------------------------------------------------------- 0.51 | 1.2404% | 0.9938...


Platforms: Matlab

The Levenberg-Marquardt Fitting of Nuclear Decay Model demonstrates how EJS can be used to fit experimental data. In this simulation, nuclear decay data are used to provide a simple example, but this same process can be applied to any type of data. The sum of squared deviations is minimized but...


Platforms: Mac

The Function Plotting and Data Fitting Model allows you to create customizable plots to interactively explore the properties of up to three functions at a time. When you enter a function, adjustable parameters are automatically recognized, and sliders are created to vary the values of these...


Platforms: Mac

Simplify curves in Draw by skipping points. Watch this video. (Ctrl Shift F3 / Tools - Add-ons - Simplify curve...)


Platforms: Mac

PDL::Fit::LM is a Levenber-Marquardt fitting routine for PDL. Currently, only Levenberg-Marquardt fitting is implemented. Other procedures should be added as required. For a fairly concise overview on fitting see Numerical Recipes, chapter 15 "Modeling of data". SYNOPSIS use PDL::Fit::LM;...


Platforms: *nix

ECC 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. Important note: you need version 3.2.5 of...


Platforms: *nix

kiscsiadm is an intuitive user-interface for ISCSI fitting into the KDE-Desktop environment. kiscsiadmin project allows target-discovery, login/logout and gives quick access to the connected ISCSI-disks. The profile-based configuration management makes it comfortable to access several...


Platforms: *nix

Finance::BDT is a Perl module that implements BDT yield curve model. SYNOPSIS use Finance::BDT; use Data::Dumper my @y = (0, 0.0283, 0.029, 0.0322, 0.0401, 0.0435, 0.0464, 0.0508, 0.0512); ## YTM on strips my $vol = 0.20; ## constant volatility my $epsilon = 0.01; my ($r, $d, $A) =...


Platforms: *nix

This is a set of scripts that helps with processing of NMR pH titration data. These scripts allow for fitting (using R) and plotting of data of multiple residues. The program needs to be made more user friendly.


Platforms: Windows, Mac, Linux

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

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

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

This program represents a further development of the standard powerful d-deDUnlinfitd-deDt facility already in matlab. The major problem with d-deDUnlinfitd-deDt is that it can only handle fitting of one dimensional arrays (x, y) where x is the independent variable and y is the dependent one.The...


Platforms: Matlab

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

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

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