Erwin Schrodinger Equation
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
License: Freeware | Size: 71.68 KB | Download (36): Two Dimensional Schrodinger Equation Download |
Simulate a time dependent solution of Schrodinger's equation and calculate energy spectrum of a 1D finite square well using split-operator method.Reference: M. D. Feit, J. A. Fleck, Jr., and A. Steiger, "Solution of the Schrodinger Equation by a Spectral Method", Journal of Computational Physics...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Tutorial - 1D finite square well Download |
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
License: Freeware | Size: 1.23 MB | Download (714): Equation Grapher Download |
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
License: Freeware | Size: 3.2 MB | Download (745): Chemical Equation Expert Download |
Erwin Data Structures is a library that is meant to be the ultimate data structure library for mixed usage of C and C++. Arbitrary key and value types are implemented by template files that dont use C++ templates, but are instantiated by a Perl script. This way, mixed usage in C and C++ is...
Platforms: *nix
License: Freeware | Size: 686.08 KB | Download (101): Erwin Data Structures Download |
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
License: Freeware | Size: 2.5 MB | Download (154): Modest Ordinary Differential Equation Library Download |
A LaTeX equation editor for Windows with OLE Server capabilities.
Platforms: Windows
License: Freeware | Download (70): LaTex Equation Editor Download |
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
License: Freeware | Size: 10.49 MB | Download (116): Equation Calculator Download |
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
License: Freeware | Size: 10 KB | Download (51): Pattern formation and KPP equation Download |
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
License: Freeware | Size: 10 KB | Download (56): Solve Kepler's Equation for E Download |
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
License: Freeware | Size: 10 KB | Download (44): Fit blackbody equation to spectrum Download |
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
License: Freeware | Size: 10 KB | Download (41): Simulink solution of Differential Equation Download |
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
License: Freeware | Size: 10 KB | Download (40): Un Systdodume Dynamique Lindoduaire Associdodu doT l'Equation De La Chaleur Download |
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
License: Freeware | Size: 10 KB | Download (40): PATEL TEJA EQUATION OF STATE Download |
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
License: Freeware | Size: 10 KB | Download (55): Vapour Pression versus Temperature using Antoine Equation and GUI Download |
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
License: Freeware | Size: 10 MB | Download (3660): MathCast Equation Editor Download |
Flow past a wedge is governed by the Falkner-Skan equation. This equation admits only numerical solution, which requires the application of the shooting technique. The program plots the velocity for various wedge angles. The result obtained is in agreement with figure 8-10 in page 352 of Deen's...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Numerical solution of the Falkner-Skan equation for various wedge angles Download |
In the programs, we perform flash calculations of a mixture of hydrocarbons (ethane, propane, n-butane and n-pentane) using the Rachford-Rice equation. The phi-phi method, based on the SRK equation of state, is used to compute the equilibrium constants. We also find the True Vapor Pressure. All...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Flash Calculations using the Soave-Redlich-Kwong equation of state Download |
We solve a binary distillation problem using the solution of a Riccati equation. We find that four plates are needed to achieve the desired product purity. We also compute the number of stages with the classical approach by stepping off stages using the equilibrium curve and the operating line....
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Application of the Riccati Equation to Solve Binary Distillation Problems Download |
The program 'Efinder' numerically solves the Schroedinger equation using MATLAB's 'ode45' within a range of energy values. By taking advantage of the dramatic endpoint behavior of the resulting wave solutions, 'Efinder' determines the eigen energies to any accuracy needed.This program has been...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): Eigen Energy Solver for Schroedinger Equation Download |