Interference Fit Stress Equation
It needs a set of 3D points, equal radii constraints and orientation constraint to fit an ellipsoid into a 3D block object Requirements: - MATLAB 7.7 or higher
Platforms: Windows, Mac, *nix, Matlab, BSD Solaris
License: Freeware | Download (54): Ellipsoid fit 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 (52): Solve Kepler's Equation for E Download |
This is a fast non-iterative ellipse fit, and among fast non-iterative ellipse fits this is the most accurate and robust.It takes the xy-coordinates of data points, and returns the coefficients of the equation of the ellipse: ax^2 + bxy + cy^2 + dx + ey + f = 0,i.e. it returns the vector...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (50): Ellipse Fit (Taubin method) Download |
This is a fast and non-iterative ellipse fit. Usage: A = EllipseDirectFit(XY)Input: XY(n,2) is the array of coordinates of n points x(i)=XY(i,1), y(i)=XY(i,2) Output: A = [a b c d e f]' is the vector of coefficients of the equation of the best fitting ellipse: ax^2 + bxy + cy^2 + dx + ey + f =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Ellipse Fit (Direct method) 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 |
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 |
Iterative, robust fit of the exact equation of a circle to xy data. Outliers are identified based on multiples of current standard deviation and "set aside". The interative solution proceeds until there are no remaining outliers. Returns xo,yo,R, terminal outlier criterion, and residuals vector.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): CircleFit.m 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 |
A simple example for beginners in MATLAB to solve the differential eq using built in functions of differential equation solvers.Copy the files in the workspacerun "dxdt_solve"dxdt.m contains differential equation
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (55): Differential equation solution Download |
% Based on - A simple method for fitting of bounding rectangle to closed regions - D. Chaudhuri a , A. Samal b.% fit_rectangle - Function provides a least squares fit to the% given boundary points of an object of unknown shape.%% Inputs - Boundary elements that must be a Nx2 array. (atleast 3...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): Least squares fit of a rectangle to a given shape/boundary Download |
Enter the coefficients for the Ax2 + Bx + C = 0 equation and Quadratic Equation will output the solutions and plot(if they are not imaginary).
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): Quadratic Equation Calculator Download |
On the gaussian fit i used "polyfit" which gives you en absolut one solution, but have some problems fitting non-linear model.In the attached file example i use "nlinfit", which can fit any kind of function that you want. the problem is that you need to give here a starting point."main.m" include...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): lorentzian fit Download |
Rosenbrock equation's minima has been evaluated by using Fletcher Reeves method.file contains 4 m files.Rosenbrock.mCojugategradient.mand two other important files.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 40.96 KB | Download (38): Rosen Brock Equation Download |
The Optics Interference program simulates a ripple tank by showing the intensity of waves produced by a point source. Adding multiple point sources creates easily observable interference patterns showing constructive and destructive interference. Users can add point sources, move them around, and...
Platforms: Mac
License: Freeware | Size: 61.44 KB | Download (35): Optics Interference: Ripple Tank Download |
The Young Two Slit Interference model simulates the interference pattern of light as it travels through two slits to a screen. This result was first described by Young who used the wave theory of light to describe the interference of light through two slits. The interference pattern is due to the...
Platforms: Mac
License: Freeware | Size: 775.17 KB | Download (45): Young Two Slit Interference Download |
The Diffraction and Interference Model: Single and Double Slits shows diffraction and interference patterns from a single slit, double sources and double slits. The user can change the source wavelength, slit width, separation and distance between slit and screen. The Diffraction and...
Platforms: Mac
License: Freeware | Size: 808.96 KB | Download (38): Diffraction and Interference Model: Single and Double Slits Download |
The Ejs Two Source Interference model displays the interference pattern on a screen due to two point sources. The simulation allows an arbitrarily superposition of the two sources and shows both the current intensity and running average of the intensity on the screen. The separation, phase...
Platforms: Mac
License: Freeware | Size: 1.39 MB | Download (38): Two Source Interference Model Download |