Numerically

The samples of code included numerically solve the diffusion equation as it arises in medical imaging. This process is done with multiple solution methods, various boundary conditions, and in multiple dimensions.

Program numerically solves the general equation of heat tranfer using the userdlDLs inputs and boundary conditions.The ZIP file contains:2D Heat Tranfer.pdfGUI_2D_prestuptepla.figGUI_2D_prestuptepla.m

The STP IdealGasNumberOfStates program numerically evaluates the number of states of an ideal gas and demonstrates finite size effects by plotting the actual number of states and the asymptotic expression. The default is two-dimensional system (d=2). STP IdealGasNumberOfStates is part of a suite...


Platforms: Mac

MULTIPLE INTEGRATION is an easy to use, intuitive program to numerically perform definite multiple integration. You may predefine constants and specify the error bound for the results. Handles a wide variety of functions, including trigonometric and hyperbolic functions. Results can be saved or...


Platforms: Windows

Numerically solves systems of simultaneous nonlinear equations. It can fully explore defined intervals to search for multiple solutions or quickly find solutions starting with random seeds. You may predefine constants and specify the error bound for the results. Handles a wide variety of...


Platforms: Windows

Power Fractal is a numerically-intensive parallel graphics application that computes a Mandelbrot-like fractal and displays processor performance statistics. This app uses the AltiVec, SSE, and multiple processors (MP) for its computations and uses UCLA AppleSeed's MacMPI library for...


Platforms: Mac

DNC Precision is a software that allows full control of the process via serial port, which operates as a multiple NC management gateway allowing for secure access to numerically controlled device. for WindowsAll


Platforms: Windows

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

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

StructTetraMesh is a tool to build structured tetreaedral mesh on cuboid dataset. This is usefull in avoiding delaunay 3D triangulation that for this kind of dataset are particularly slow and numerically unstable.This tool allows a huge speed improvement against delaunayn for 3D points, the...


Platforms: Matlab

The velocity and shear stress versus radial position are determined for laminar flow of a Carreau fluid in a pipe. The shooting method is used to verify the no-slip boundary condition at the piped-deOaos wall. Once the velocity at the center is determined, the governing Differential Algebraic...


Platforms: Matlab

This toolbox contains a collection of m-files which may be used to numerically solve discretized ODE/PDEs on a Chebyshev grid. Included are scripts for building differentiation matrices, enforcing boundary conditions using either the Laczos Tau method or Galerkin basis functions, spectral...


Platforms: Matlab

The velocity and shear stress versus radial position are determined for laminar flow of a power law fluid in a pipe. The shooting method is used to verify the no-slip boundary condition at the piped-deOaos wall. Once the velocity at the center is determined, the governing equation is solved...


Platforms: Matlab

We present here a program Fie that solves numerically Fredholm integral equations of the second kind on an interval [a,b] to a specified, modest accuracy. Test programs are also included for the various cases. The program TestAll, with no input parameters, can be used to illustrate the various...


Platforms: Matlab

IGVF: GUI for finite volumeThis interface contains routines nonoscillatory high order to solve numerically systemshyperbolic conservation laws in one dimension.


Platforms: Matlab

Solves the Liouville Master Equation (LME) for a kind of Piecewise deterministic process (PDP).=== Immediate command line examples ===- dichot_markov_gui.m (dichot_markov_gui.fig) A graphical user interface for the cores files that allow you to see the evolution density distribution for a two...


Platforms: Matlab

Newton's method for solving a system of nonlinear equations, see http://en.wikipedia.org/wiki/Newton's_methodNewton(X,F,X0) solves nonlinear system F(x)=0 by Newton's method, using the given initial approximation X0. The derivative (Jacobian) is evaluated symbolically. The iterations are...


Platforms: Matlab

http://simulations.narod.ru/there are two masses connected with rod. x y dcOC describe system state. Lagrangian was made and 6 1st order differential equations to integrate numerically with Euler method.run zz_2_obj_lagrangian_test.m to see animation or here:


Platforms: Matlab

------------------------------------------------------------PURPOSE: Performs log-linearisation.------------------------------------------------------------SYNTAX: result = LogLin( VarEndoNames, VarExoNames, Parameters, Equations, SolveMode, EvalMode, EvalString, Digits...


Platforms: Matlab

% [z zC Z ZC] = transRV(jointXY,C,opp,n) Numerically approximate the PDF of% a nonlinear combination of the random variables X and Y given the joint% distribution of X and Y. The joint distribution (jointXY) should be% generated using [jointXY, C] = hist3([x(:) y(:)]).%% z =...


Platforms: Matlab