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Downloads Structural Equation Model

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Added: July 09, 2013 | Visits: 293

Ikeda Delay Differential Equation Model The Ikeda Delay Differential Equation model shows the dynamics of a delay differential equation that depends on the value of the dynamical variable x(t) at a previous time x(t-?). Sprott shows that these systems provide elegant examples of chaos in systems that are too simple to exhibit chaos...



Platforms: Mac

License: Freeware Size: 778.24 KB Download (17): Ikeda Delay Differential Equation Model Download

Added: October 02, 2013 | Visits: 279

Two Dimensional 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 (18): Two Dimensional Schrodinger Equation Download

Released: August 08, 2012  |  Added: August 08, 2012 | Visits: 314

ITALASSI Despite the fact that many phenomenon in physical or social sciences involve interaction between causal factors, it seems that very few researchers using multiple regression or structural equation modeling techniques do investigate for the presence of those interactions. If fact, in the context...


Platforms: Windows

License: Freeware Size: 645 KB Download (30): ITALASSI Download

Added: June 14, 2013 | Visits: 186

system of equations solver This zip file contains three separate guis. One solves and plots a system of functions given the inputs of 2 or more functions. The second one solves a 2 system differential equation model using the 4th order runga-kutta method. The third one is just a demo gui of how my components work for my...


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 61.44 KB Download (20): system of equations solver Download

Added: March 22, 2013 | Visits: 223

Second generation Vold-Kalman Order Filtering Filtering of non-stationary periodic components from signals using a multi-order Vold-Kalman Filter.The Vold-Kalman Filter, introduced by HdoDEvard Vold and Jan Leuridan in 1993, is able to extract non-stationary periodic components from a signal using a known frequency vector [1]. Being...


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (20): Second generation Vold-Kalman Order Filtering Download

Added: August 08, 2010 | Visits: 1.283

Modest Ordinary Differential Equation Library 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 (138): Modest Ordinary Differential Equation Library Download

Model Determination using Genetic Algorithm: Application to Vapour Pressure vs Temperature Equations We use the genetic algorithm (gatool) to determine the three parameters of the simple Antoine equation and the six parameters of the Modified Antoine Model. Predictions are in perfect agreement with experimental data of vapor pressure of ethanol versus temperature for a temperature range from...


Platforms: Matlab


Added: July 03, 2013 | Visits: 218

Flutter Analysis Model This model demonstrates how to implement a coupled structural-aerodynamic problem.The wing, otherwise rigid, is allowed to pitch and plunge. The motion of the wing is defined using SimMechanics blocks. The aerodynamic model is a simple, quasi-steady formulation.Dynamic pressure is manipulated by...


Platforms: Matlab

License: Freeware Size: 81.92 KB Download (18): Flutter Analysis Model Download

Added: September 16, 2013 | Visits: 247

Rocking Semicircular Hoop Model The Rocking Semicircular Hoop model shows the dynamics of a simple object rocking without slipping on a horizontal surface. It is a supplemental simulation for an article by Leaf Turner and Ari Turner "Asymmetric rolling bodies and the phantom torque" in the Am. J. Phys. 78, 905 (2010). The...


Platforms: Mac

License: Freeware Size: 785.41 KB Download (17): Rocking Semicircular Hoop Model Download

Added: November 18, 2013 | Visits: 197

Duffing Phase Model The Ejs Duffing Phase model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays the evolution of a group of oscillators with similar initial parameters on a phase...


Platforms: Mac

License: Freeware Size: 1.38 MB Download (16): Duffing Phase Model Download

Added: September 23, 2013 | Visits: 223

Duffing Chaos Model The Ejs Duffing Chaos model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays two solutions with different initial positions and a plot of phase. The evolution...


Platforms: Mac

License: Freeware Size: 1.38 MB Download (16): Duffing Chaos Model Download

Added: September 13, 2013 | Visits: 162

Duffing Poincare Model The Ejs Duffing Poincare model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays the solution Poincare plot. The evolution parameters can be changed via textboxes....


Platforms: Mac

License: Freeware Size: 1.34 MB Download (18): Duffing Poincare Model Download

Added: June 16, 2013 | Visits: 258

Circular Membrane Modes Model The Circular Membrane Modes model displays the analytical wave equation solution for an ideal circular membrane with a fixed boundary. The solution is described by two integers m and n where n is a positive integer that counts the number of radial nodes and m counts the number of azimuthal...


Platforms: Mac

License: Freeware Size: 102.4 KB Download (16): Circular Membrane Modes Model Download

Added: August 27, 2013 | Visits: 220

Duffing Attractor Model The Ejs Duffing Attractor model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN* x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays a three-dimensional plot of phase space versus angle and three Poincare plots...


Platforms: Mac

License: Freeware Size: 1.33 MB Download (16): Duffing Attractor Model Download

Released: July 01, 2012  |  Added: July 01, 2012 | Visits: 413

progeBILLD Mechanics/Structural Mechanical/Structural DWG Design for progeCAD AutoCAD DWG Clone, No learning curve for AutoCAD users. Mechanical/Structural DWG Design for progeCAD AutoCAD DWG Clone, No learning curve for AutoCAD users. Get AutoCAD functionality for 1/10th the cost. Thousands of industry standard bolts, screws,...


Platforms: Windows

License: Shareware Cost: $600.00 USD Size: 320.41 MB Download (28): progeBILLD Mechanics/Structural Download

Added: April 13, 2013 | Visits: 227

Clewlow and Strickland Commodity one factor spot model Introduction----------------This code simulates commodity spot prices using the Clewlow and Strickland one factor daily spot model using a Monte Carlo approach. The derived stochastic differential equations (SDEs) are solved using several finite difference schemes.The paper detailing the...


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 266.24 KB Download (18): Clewlow and Strickland Commodity one factor spot model Download

Added: May 20, 2013 | Visits: 220

Structural Vibration Control System Structural Vibration Control is a very vast field of research. It aims to develop such comfortable and firm structures that can survive in the condition of severe dynamic loadings such as earthquake, High winds etc Due to numerous advantages of Semi active such as low power consumption and...


Platforms: Matlab

License: Freeware Size: 102.4 KB Download (18): Structural Vibration Control System Download

Added: November 17, 2013 | Visits: 194

Rectangular Well Model The Rectangular Well model displays the 2D energy eigenstates of a particle trapped in a very deep two-dimensional rectangular well. Because the Schr?*A*dinger equation for this system is separable into one-dimensional infinite square well Hamiltonians, the solution can be expressed as a product...


Platforms: Mac

License: Shareware Cost: $0.00 USD Size: 737.28 KB Download (16): Rectangular Well Model Download

Added: June 28, 2013 | Visits: 378

Heating and Cooling a Cylinder Model The Heating and Cooling a Cylinder model computes the radial temperature distribution within a long cylinder as it is heated and cooled by a surrounding fluid. The cylinder is broken into shells and the temperature of each shell is computed using a finite difference approximation to the radial...


Platforms: Mac

License: Freeware Size: 10.24 KB Download (20): Heating and Cooling a Cylinder Model Download

Added: August 19, 2013 | Visits: 211

Duffing Oscillator Model The Ejs Duffing Oscillator model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya*t), where each prime denotes a time derivative. The simulation displays the solution as well as the phase space and Poincare plots, and energy diagram....


Platforms: Mac

License: Freeware Size: 1.37 MB Download (17): Duffing Oscillator Model Download

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