Chemistry Equations Balancer
The two programs perform Brownian Dynamic simulations to compute rheological properties of FENE dumbbell suspensions. When the applied flow is shear flow, we calculate the first and second normal stresses as well as the viscosity. For the case of an applied extensional flow, we obtain the value...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (56): Brownian Dynamic Simulation to Determine Rheological Properties of FENE Dumbbell Suspensions Download |
PyMOlyze is a graphical program to analyze the results of quantum chemistry (HF/DFT) calculations. Features include various population analyses, fragment analysis, monitoring structures during an optimization, and a simple, but powerful, XYZ editor.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 10.19 MB | Download (55): PyMOlyze Download |
Using an engine throttle valve modeling example, this demo shares some perspectives on creation of nonlinear models of dynamic systems from the measurements of its input and outputs. It describes useful workflows for approaching the task of data-based modeling using System Identification...
Platforms: Matlab
License: Freeware | Size: 1.94 MB | Download (55): Data based modeling of nonlinear dynamic systems using System Identification Toolbox Download |
Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry and biochemistry. It is cross-platform, running on Windows, Mac OS X, and Linux/Unix systems. * The JmolApplet is a web browser applet that can be integrated into web pages. * The Jmol application...
Platforms: *nix
License: Freeware | Size: 25.25 MB | Download (54): Jmol for linux Download |
Quad Genius Pro is an interactive java-based graphical software designed by me at IIT Guwahati for school students of classes sixth to ninth to help them solve quadratic and linear equations and learn through the process.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 360.57 KB | Download (54): Quad Genius Pro Download |
Synergy Creations Periodic Table 4 is a versatile chemistry reference tool for your Macintosh that takes the periodic table beyond the simple paper periodic table found in so many textbooks and classrooms.
Packed with data and easy to use features, Periodic Table 4 is superb for chemists and...
Platforms: Mac
License: Freeware | Size: 2.7 MB | Download (53): Periodic Table for Mac OS Download |
A program designed to solve equations. Features: Find roots, Find extremums, Calculate integral, Calculate derivative, Find local maximum/minimum, Draw graph, Save results to text & html, Free of charge. Requires: Microsoft .NET Framework 2.0.
Platforms: Windows
License: Freeware | Size: 238 KB | Download (53): 7math Download |
attempt to create a nice and well-working 2D simulation game using exlusively Lagrangian equations of motion. The first one of the ongoing series is a 2D motocross game similar to X-Moto, ActionSupercross and such.
Using Lagrangians in games is not a well documented thing, but it allows to...
Platforms: Windows, Mac, BSD, Linux
License: Freeware | Size: 26.95 KB | Download (53): Lagrange_Motocross Download |
Open Babel is a chemical toolbox designed to speak the many languages of chemical data. It's an open, collaborative project allowing anyone to search, convert, analyze, or store data from molecular modeling, chemistry, solid-state materials, biochemistry, or related areas. * Ready-to-use...
Platforms: Windows, Mac, *nix, C/C++, BSD
License: Freeware | Download (53): Open Babel Download |
MEYERFUN Calculates Pd for non-coherent pulse integration. It uses the equations in the appendix of "Radar Target Detection-Handbook of Theory and Practice" by Daniel P. Meyer and Herbert A. Mayer to calculate the threshold and probability of detection for the five standard Swerling cases....
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (53): Meyer & Mayer Probability of Detection Calculator Download |
The Chemistry Development Kit (CDK) is a scientific, LGPL-ed library for bio- and cheminformatics and computational chemistry written in Java.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 16.01 MB | Download (52): The Chemistry Development Kit Download |
It estimates the Newton Raphson optimization procedure for (m) unknowns of (n) non-linear equations. In case no Jacobian vector is presented, then the initial Jacobian vector is estimated by Broyden Method (multivariate secant approach) and it is then updated using the Sherman Morrison...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (52): Newton Raphson Optimization Procedure Download |
KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and drop, copy and paste or save to disk) from LaTeX equations.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 3.08 MB | Download (52): KLatexFormula Download |
This is a nonlinear system of differential and algebriac equations, that describe the dynamics of a continuous bioreactor. The bioreactor simulates the production of ethanol through yeast fermentation. The model is described in:Z. K. Nagy, Model Based Control of a Fermentation Bioreactor using...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (52): Yeast Fermentation Bioreactor for Ethanol Production Download |
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
License: Freeware | Size: 10 KB | Download (51): Residue Curve Map for Homogeneous Reactive Quaternary Mixtures Download |
fMath Editor - Cute Editor plugin is the best math editor to create and edit equations on web. It has more than 20000 symbols to display and a rich interface. The formula can edited by interface or in MathML or in LaTeX. And is free of charge to use and to distribute.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 12.13 MB | Download (51): fMath Editor - Cute Editor Plugin Download |
This can be used for finding the linearly independent equations derived from Kirchhoff's second law.It finds a set of fundamental cycles that correspond to linearly independent circuit conservation equations. Requirements: - MATLAB 7.8 or higher
Platforms: Windows, Mac, *nix, Matlab, BSD Solaris
License: Freeware | Download (51): Cyclebasis Download |
The Mogi [1958] model allows to calculate analytic solution for surface deformation due to a point source in an elastic half-space. This model is widely used to simulate ground deformation produced by local perturbation like volcanic magma chamber. It computes displacements, tilt and strain in a...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): Mogi: point source in elastic half-space Download |
1 Introduction PLS-DA for data analysis in chemistry and OMICS studies. Also included in this package are 3 variable selection methods: 1) target projection (TP) 2) competitive adaptive reweighted sampling (CARS) 3) subwindow permutation analysis (SPA). SPA is based on model pupulation analysis...
Platforms: Matlab
License: Freeware | Size: 768 KB | Download (51): partial least squares-discriminant analysis and variable selection for high dimensional data Download |
SPHERE_RCS calculates the exact RCS for a perfect sphere of given diameter, using the Mie series solution, given by equations 4-19, 4-16, and 4-17 in section 4.2 of "Radar Cross Section," by Eugene F. Knott, John F. Shaeffer, and Michael T. Tuley (c1985 Artech House).
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): Sphere RCS Download |