Poisson Boltzmann Equation

APBS was designed as a software package for modeling biomolecular solvation through solution of the Poisson-Boltzmann equation or PBE. PBE is one of the most popular continuum models for describing electrostatic interactions between molecular solutes in salty, aqueous media. Continuum... Platforms: Windows

APBSmem is a handy, Java-based graphical user interface specially designed to help you with Poisson-Boltzmann electrostatics calculations at the membrane. The Poisson-Boltzmann equation or PB describes the electrostatic environment of a solute in a solvent containing ions. Platforms: Windows

APBSmem is a Java-based graphical user interface for Poisson-Boltzmann electrostatics calculations at the membrane. APBS version 1.2.0 or later is required. Features . Protein solvation . Ion solvation . Gating charge calculations Platforms: *nix

C-Library & Matlab Toolbox implement a numerical solution of Poisson equationdiv(e*grad(u))=fin Cartesizan 3D coordinates with respect to steeply varying dielectrical permittivity e. Library uses regular rectangular grid with mixed boundary conditions, FVM-based equation discretization and... Platforms: Matlab

C-Library & Matlab Toolbox implement a numerical solution of Poisson equationdiv(e*grad(u))=ffor Cartesian 1D, Cartesian 2D and axis-symmetrical cylindrical coordinates with respect to steeply varying dielectrical permittivity e.Library uses regular rectangular grid with mixed boundary... Platforms: Matlab

Equation grapher is an easy-to-use software for 2D function graphing. 2D function graphs can be plotted in Cartesian and polar coordinate systems .Equation grapher is an easy-to-use software for 2D function graphing. 2D function graphs can be plotted in Cartesian and polar coordinate systems... Platforms: Windows

Chemical Equation Expert is an integrated tool for chemistry professionals and students. You'll find complicated work such as balancing chemical equations and related calculations so easy and even enjoyable! Key Feafures - 1. An intelligent balancer Chemical Equation Expert balances chemical... Platforms: Windows

Modest Ordinary Differential Equation Library is a C++ library to model rate equations. MODEL is a numeric simulation library written during my PhD to simulate systems of rate equations describing Vertical Cavity Surface Emitting Lasers (VCSELs). I decided to write one myself after looking at... Platforms: *nix

A LaTeX equation editor for Windows with OLE Server capabilities. Platforms: Windows

Welcome to Equation Calculator. The Equation Calculator allows you setup equations, define and set Variable Values, and calculate an equation result. You can create a record with variables and values or a each equation. Equations and variable values can be changed and saved in the same or... Platforms: Windows, Windows 7

This 15-line matlab program solves the nonlinear reactiondiffusion equation, called Kolmogorov-Petrovskii-Piskunov(KPP) equation to generate patterns (ribbons and rings).The numerical method is simple and program is easy tounderstand, and it can be extended to simulatedmore complex systems. The... Platforms: Matlab

Given mean anomaly and eccentricity of an orbit, eccentric anomaly can be calculated using Kepler's Equation. However, the equation is nonlinear, and an iterative technique must be used. This program uses a fixed-point iterative technique to output eccentric anomaly to a user defined tolerance,... Platforms: Matlab

Simple example of the use of the FMINSEARCH function to fit the blackbody equation to the emission spectrum of an incandescent body for the purpose of estimating its color temperature and emissivity. fitblackbody.m is the fitting function. BlackbodyDataFit.m is a script that fits a small set of... Platforms: Matlab

A differential equation can be solved by several methods. I have presented the simulink method to solve the differential equ. The que is showed in the screenshot.Queries and Comments are dearly invited. Platforms: Matlab

The equation PDE (PDE) partial differential heat is infrequent Apers develloppement I associate a dynamical system (ODE) after discreisation space for an associated dipole matrix (A, B) according to the theory of kernel JCWillems in control Automatic heat equation. Platforms: Matlab

With this equation we can find the specific volume of a real gas, in a rank of pressures, isothermally, knowing the factor acentrico the compound. The equation this in function to the understandability factor Platforms: Matlab

The GUI application allows the user to enter the parameters of the Antoine equation and then plot vapour pressure of any chemical component versus temperature. Platforms: Matlab

The Two Dimensional Schrodinger Equation model simulates the time evolution of a two-dimensional wave packet as it moves towards a slit with an obstacle in it, both with variable widths. By changing three parameters via sliders provided, slit width, obstacle width, and initial position of the... Platforms: Mac

MathCast is an equation editor, an application that allows you to input mathematical equations. These equations can be used in documents, emails, and webpages. The equations can be rendered graphically to the screen, to picture files, or to MathML. MathCast is a free and open source application.... Platforms: Windows, Windows 8, Windows 7

ViennaSHE was created as a handy and accessible multi-dimensional semiconductor device simulator. The simulator is based on the deterministic solution of the Boltzmann Transport Equation using Spherical Harmonics Expansions. Platforms: Windows