The Fluid Flow Calculator
This Perl script allows the user to calculate pipe friction losses for piping systems which handle water with varying percentages of ethylene glycol. The user inputs the fluid temp, the % of glycol, the flow rate, the piping material, the ...

December 16th 2005

Free

Mechanical Friction with Simulink and Physical Modeling
Stephen Lunzman (Caterpillar), Dallas Kennedy and Steve Miller (The MathWorks)Systems modeled include clutches, transmission, and pistons. The friction is continuous or hybrid continuous-locking type. Locking friction requires mode iteration and algebraic loops.MATLAB Digest article linked to this submission: http://www.mathworks.com/company/newslette...y/friction.htmlNOTE: If ...

Actionscript Physics Engine
APE (Actionscript Physics Engine) is a free AS3 open source 2D physics engine for use in Flash and Flex.Features:CircleParticles
-fixed or non-fixed
-variable mass, elasticity, and surface friction

RectangleParticles
-rotatable
-fixed or non-fixed
-variable mass, elasticity, and surface friction

WheelParticles ...

May 18th 2012

Free

Actionscript Physics Engine 0.45a
APE (Actionscript Physics Engine) is a free AS3 open source 2D physics engine for use in Flash and Flex.Features:CircleParticles -fixed or non-fixed -variable mass, elasticity, and surface friction RectangleParticles -rotatable -fixed or non-fixed -variable mass, elasticity, and surface friction WheelParticles ...

February 2nd 2012

Free

Similarity Algorithm based on WikipediA
SAWA calculates a semantic similarity coefficient between two sentences. Coefficient is expressed between "0" and "1", where: 0 means there is not semantic similarity among them; 1 vice versa.

May 3rd 2013

Free

1,146k

vibrating string simulator
Simulator of vibrating string with possibility to set different parameters include initial positions, velocities, distributed friction. Solved as 1d wave equation with friction with FDM method. It is possible to plot graph, spectrogram, animated graph, listen stereo sound and realtime. ...

The width of the balloon is automatically resized to suit the text.

You can customize the balloon style by setting the following:
- box color;
- box border color;
- box reflection;
- title color;
- content ...

May 16th 2009

Commercial

10k

multcoef
This m-file returns the multinomial coefficient with parameter N at the values in X. Let {X1, X2, . . . , Xk}, k > 1, be a set of random variables, each of which can take the values 0, 1, ...

April 9th 2013

Shareware

10k

Gini coefficient and the Lorentz curve
The Gini coefficient is a measure of the inequality of a distribution (often used for income or wealth distributions). The Lorentz curve is a graphical representation of this inequality which is intimately related to the Gini coefficient. The program is ...

April 18th 2013

Shareware

10k

R-square: The coefficient of determination
r2 = rsquare(y,f) RSQUARE computes the coefficient of determination (R-square) value from actual data Y and model data F. INPUTS Y : Actual data F : Model fit OUTPUT R2 : Coefficient of determination EXAMPLE x = 0:0.1:10; y = ...

April 20th 2013

Shareware

10k

Furuta (rotary) Pendulum
SimMechanics is used to simulate a pendulum at the tip of a rotating arm, called a furuta pendulum. The equation of motion are then simulated by ode45 to show they are the same. All nonlinear dynamics are simulated (only one ...

March 28th 2013

Shareware

123k

Ballistics problem GUI
It is example from physics teacher toolbox. It can show body trajectory in real time, accelerated or time step fixed. It is possible to add air friction and wind. All parameters are adjustable. Window is elastic. So it is possible ...

May 6th 2013

Free

20k

Gini coefficient - population weighted
Computes the gini coefficient when given a set of values and population weights.Short on documentation and checks.

ReadSTP
This is set of functions that allow opening of Molecular Imaging atomic force microscope files into Matlab matrix. Unzip the files in one directory and type in Matlab command prompt:y=ReadSTP('pathfilename.stp',buffer number).Matrix y will contain z values of measured surface. Comments ...

April 13th 2013

Free

10k

Clebsch Gordan Coefficient Solver GUI
Easy to use Clebsch-Gordan coefficient solver for adding two angular momentums in Quantum Mechanics. This tool is created for my Quantum Mechanics II course offered by Dr. Thompson in Summer of 2007.[Instruction]Execute "GUI.m" script by invoking "GUI"

ClebschGordan.m
ClebschGordan(j1,j2,j,m1,m2,m) is the Clebsch-Gordan coefficient . This is used in the theory of angular momentum in quantum mechanics.

June 3rd 2013

Shareware

10k

Multi-band Spectral Subtraction
Multiband spectral subtraction as proposed by Kamath 2002. Uses adjusts the subtraction coefficient with the frequency as well as the SNR. note that the first 0.25sec of your signal is used to model the noise.

May 27th 2013

Shareware

10k

Billiard Ball Animation
This Program Performs the following:(1) Animates the movement of a Billiard Ball on a table that has a surface friction (mu) and coefficient of restitution (e) for the sides and saves it as an AVI file.(2) Outputs series of rows ...

May 6th 2013

Free

133k

throw body with mouse
It will be toolbox in matlab for physics teachers. It will be visualization of some standart problems in mechanics, electromagnetics, quantum mechanics, thermodynamics and other. The toolbox will contain standart physics problems visualizations and usefull functions to make own physics ...

April 8th 2013

Free

10k

k indexes from 1:n
http://simulations.narod.ru/Using:ind=all_combinations(n,k)Number of all posible variants is nv=C(n,k)=n!/(k!*(n-k)!) (binomial coefficient)ind is nv-by-k matrix. Example, 2 indexes from 1 2 3:all_combinations(3,2)ans = 1 2 1 3 2 3Example 3 from 5:all_combinations(5,3)ans = 1 2 3 1 2 4 1 2 5 1 ...

May 10th 2013

Shareware

10k

Rayleigh Angular Volume-Scatter Coefficient
Accepts temperature in Kelvin, pressure in millibar and wavelength in microns (accurate for wavelengths 0.20-4.00 microns) and returns the model atmosphere Rayleigh angular volume-scattering coefficient. Includes Chandrasekhar phase function.

December 17th 2012

Free

10k

SYM2POLYS
Sym2Polys (by Paul Godfrey) cannot be run on MATLAB 7(Release 14). This function is an extension of the Matlab SYM2POLY and COEFFS functions in that it allows the coefficients to be symbolic and returns the full coefficient vector including the ...

December 31st 2012

Shareware

10k

IPN tools for Test-Retest Reliability Analysis
The basic functions include the MATLAB implementation of ICC (Intraclass Correlation Coefficient), CCC (Corcordance Correlation Coefficient) and Kendall's W or KCC (Kendall's Coefficient of Concordance).List of basic functions:[1]. IPN_icc: computes the interclass correlations for indexing the reliability analysis according to ...

March 18th 2013

Shareware

10k

2d liquid simulation
http://simulations.narod.ru/There was try to simulate 2d liquid in rectangle vessel without air in matlab. The idea was to use voronoi graph to separate liquid into pieces. Each piece has forces:1) friction from neighbor, proportional to contact edge length2) friction from ...

April 11th 2013

Shareware

10k

Circular Correlation Coefficient
References:Fisher, N.I. and A.J. Lee (1983) A correlation coefficient for circular data. Biometrika Trust. 70(2):327-332 http://biomet.oxfordjournals.org/cgi/conte...stract/70/2/327Fisher, N.I. (1996) Statistical Analysis of Circular Data. Cambridge University Press.ISBN 0521568900, 9780521568906http://books.google.com/books?id=IIpeevaNH88C

February 16th 2013

Shareware

10k

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