Search Results for "curve fitting"
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Showing 40 open source projects for "curve fitting"
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ROOT
Analyzing, storing and visualizing big data, scientifically
... to scale at the Large Hadron Collider experiments: Exabytes of scientific data are written in columnar ROOT format. ROOT comes with histogramming capabilities in an arbitrary number of dimensions, curve fitting, statistical modeling, and minimization, to allow the easy setup of a data analysis system that can query and process the data interactively or in batch mode, as well as a general parallel processing framework, RDataFrame, that can considerably speed up an analysis. -
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BasicBSpline.jl
Basic (mathematical) operations for B-spline functions
Basic (mathematical) operations for B-spline functions and related things with Julia. -
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Curve Ensemble
Curve Ensemble, a tool to manage and create curves
Curve Ensemble is a free C++ open-source project for fitting, editing, and painting curves. The primary focus is on minimal energy curves, and our implimentation includes (Restricted) Elastic Splines as well as several methods related to parametric cubic splines. For each minimal energy curve method the following features are available: * Robust algorithm to find minimal energy interpolating curve. * Flexible node specifications (regular, clamped, free, data ball). * Multiple curves... -
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NumeRe
Framework for numerical computations, data analysis and visualisation
Curve fitting | Data analysis | Plotting | Matrix operations | FFT | Extensible framework | Multiple file formats | Programmable | Open source | Free for everyone NumeRe: Framework for Numerical Computation is a numerical framework written for Microsoft Windows(R) and released under the GNU GPL v3 for solving and visualizing mathematical and physical problems numerically. Keep simple things simple: You want to plot a sine function? Just enter 'plot sin(x)'. You want to load some data... -
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relax
Molecular dynamics by NMR data analysis
The software package 'relax' is designed for the study of molecular dynamics through the analysis of experimental NMR data. Organic molecules, proteins, RNA, DNA, sugars, and other biomolecules are all supported. It supports exponential curve fitting for the calculation of the R1 and R2 relaxation rates, calculation of the NOE, reduced spectral density mapping, the Lipari and Szabo model-free analysis, study of domain motions via the N-state model and frame order dynamics theories using... -
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LMath library
Math library for Free Pascal and Lazarus.
LMath, based on DMath, is a mathematical library for FreePascal (FPC) and Lazarus. It is entirely written in Pascal and does not depend on external libraries. LMath provides routines and demo programs for numerical analysis, including mathematical functions, probabilities, matrices, optimization, linear and nonlinear equations, integration, Fast Fourier Transform, random numbers, curve fitting, statistics and graphics. It is organized s set of lazarus packages which makes it easily... -
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Eleana
Program for the analysis of spectroscopic data, in particular EPR(ESR)
... / differentiation, pseudomodulation, filtering, etc. More advanced functions are: Forward / Inverse Fourier Transforms, Hilbert Transforms, Nonlinear Curve Fit, Global Analysis Fit of Multiple Curves, and many other. It is also possible to create your own plugins extending Eleana's functionality. -
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PyNanoLab
data analysis and Visualization with matplotlib
PyNanoLab contains a variety of tools to complete the data analysis, statistics, curve fitting, and basic machine learning application. Visualization in pynanolab is based on matplotlib. The setup tools is desinged to control and set-up all the details of the figure with a GUI. -
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QtGrace
native Grace for Windows, Linux and Mac OS X based on Qt
QtGrace is a version of Grace based on the Qt-SDK by The Qt Project www.qt.io. QtGrace/Grace is a program to display or plot data, analyze data and prepare it for printing. Using QtGrace is to run Grace natively on Windows, Mac OS X and Linux. -
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AlphaPlot
Interactive scientific graphing and data analysis software.
Alpha Plot can generate different types of 2D and 3D plots (such as line, scatter, bar, pie, and surface plots) from data that is either imported from ASCII files, entered by hand, or calculated using formulas. The data is held in spreadsheets which are referred to as tables with column-based data (typically X and Y values for 2D plots) or matrices (for 3D plots). The spreadsheets as well as graphs and note windows are gathered in a project and can be organized using folders. The built-in... -
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MUSCtR
A programme for fitting Neutron Reflectivity data from "rough" samples
MUSCtR is a crude programme written in Python to allow the fitting of data from Neutron Reflectivity experiments (in particular with ISIS Neutron and Muon Source in mind). More refined programmes are available (Motofit, RasCAL). However, this programme was written to allow fitting of samples with larger surface "undulations". The programme allows one layer in a given model to be given a variable thickness (characterised by "d_thick"). The programme calculates the total reflectivity from... -
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DeepScaleTool
Estimation of deep-submicron technology scaling
DeepScaleTool is a spreadsheet based tool for the accurate estimation of deep-submicron technology (130 nm to 7 nm) scaling by modeling and curve fitting published silicon trends for area, delay, and energy. The tool is also helpful to conduct fair comparison of the circuits' performance, energy, and power dissipation across different technology generations. Please make sure you enable macros while opening the DeepScaleTool.xlsm file. This tool was developed by Satyabrata... -
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QtiPlot is a user-friendly, platform independent data analysis and visualization application similar to the non-free Windows program Origin.
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VStar
Multi-platform Variable Star Visualisation and Analysis
VStar is a multi-platform, easy-to-use variable star observation visualisation and analysis tool. Data can be read from a file or the AAVSO database, light curves and phase plots created, period analysis performed, and filters applied. Plugins can be developed, e.g. to make additional observation sources available. See also: 1. http://www.aavso.org/vstar-overview 2. http://www.aavso.org/forums/about-aavso/vstar 3. http://dbenn.wordpress.com/category/astronomy-science/vstar 4.... -
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TF Quant Finance
High-performance TensorFlow library for quantitative finance
TF Quant Finance is a high-performance library of quantitative finance components built on TensorFlow, aimed at research and production workloads. It implements pricing engines, risk measures, stochastic models, optimizers, and random number generators that are differentiable and vectorized for accelerators. Users can value options and fixed-income instruments, simulate paths, fit curves, and calibrate models while leveraging TensorFlow’s jit compilation and automatic differentiation. The... -
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TSA_CRAFT
Automatic command line tool for TSA data analysis
DSF is a high-throughput platform of TSA assay to screen various conditions that affect protein stability. To facilitate TSA data analysis, we developed an automatic tool "TSA-CRAFT". TSA-CRAFT was developed by integrating PERL script and Gnuplot. PERL scripts manage the entire workflow and data processing procedures of TSA data analysis. On the other hand, Gnuplot takes over the curve fitting and result presentation works. All analysed results are coded in an html file that can be easily... -
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lmfit - least squares fitting
Levenberg-Marquardt least squares minimization amd curve fitting.
A self-contained C library for Levenberg-Marquardt least-squares minimization and curve fitting. To minimize arbitrary user-provided functions, or to fit user-provided data. No need to provide derivatives. With application examples. -
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Serial-Lab
Read, write and plots data from/to serial port.
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Programs for Numerical Methods
Didactic program to aid students in learning Numerical Methods.
..., Inverse Linear Interpolation, Regula-Falsi). 4.2 Open Methods (Newton-Raphson, Bailey). 5. Roots of polynomials (Birge-Vieta, Lin Bairstrow). 6. Numerical interpolation (Unique Interpolating Polynomial, Lagrange, Newton's and Aithen-Neville Interpolating Polynomials). 7. Curve fitting (Linear and Nonlinear). 8. Numerical integration (Undetermined Coefficients, Newton-Cotes, Romberg). 9. Ordinary differential equations (Euler, Runge-Kuta). -
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XmgFit
A wrapper to use Xmgrace's curve fitting capability on the shell.
XmgFit is a wrapper for Xmgrace (*) allowing to use comfortable the non-linear curve fitting capability of Xmgrace from the command line. Therefore the capabilities are limited by xmgrace. Please refer to the xmgrace users guide for more details. It is also handy to incorporate in shell scripts. The -s or --scripty option returns all result values xmgrace provide in an EVALuable format to make them easy available in shell scripts. *) http://plasma-gate.weizmann.ac.il/Grace/ -
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SciEnPlot
Data Plotting and Analysis for Science and Engineering
- Save and open a Work/Project (spf) file - Single fitting/ Batch fitting (user defined custom func) - Matrix to XYZ in Tool menu - Symbol plot: makers, curve, landscape, bar, etc. - Implemented a 3d surface plot (GLSurface) based on OpenGL (ScienPlot v1.3.2 and above) - ColorMap surface, trisurface, Pie, Polar plots, and 3D height field, 3dBar, scatter plots (under developing), and more - Column by column plotting/calculation - LaTex commands enclosed by $ symbols can be used... -
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Dr Fit
Automated fitting of dose-response curves
Dr Fit enables to automatically fit a curve to your experimental dose-response data. The data, which should be saved in .xls files, is uploaded through the software which then automatically models it. The resulting curve can be saved in a high resolution figure or as a matlab figure. Responses/Effects can also be interpolated/extrapolated at various doses. Dr Fit, associated method, and our new multi-phasic model have been described in the following paper: G. Y. Di Veroli, C. Fornari, I... -
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GADfit
Global nonlinear optimization with automatic differentiation
NOTE: Development continued at GitHub! Current version is higher than 1.2.0. GADfit is a Fortran implementation of global nonlinear curve fitting, based on a modified Levenberg-Marquardt algorithm. Global fitting refers to fitting many datasets simultaneously with some parameters shared among the datasets. The fitting procedure is very fast and accurate thanks to the use of automatic differentiation. The model curves (fitting functions) can be of essentially arbitrary complexity... -
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MPlotCurve
A subclass of QwtPlotCurve
A subclass of QwtPlotCurve that supports various types of curve fitting. The fitted points are readily available for use by the application. This makes computing such things as the area under a curve easy. -
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