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updated 1 month ago

Applications of Chaos and Nonlinear Dynamics in Engineering - Vol. 1 by Stephen Lynch

Lynch files to accompany the book. (modeling, simulink, mathematics)

sys=Hopf_System(~,x)

xdot=Chem(~,x)

xdot=Duffing(t,x)

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updated 1 month ago

Zernike Package by Yasushi Iwasaki

This package provides Zernike utilities. (zernike, polynomial, optics)

DisplayFringeOrder0(kMax)

DisplayFringeOrder1(kMax)

DisplayParityOrder0(kMax)

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updated 1 month ago

Angle calculator from sin and cos values by Disi A

This function uniquely determines the angle (-180,180] in degree or(-pi, pi] in radian (mathematics, measurement, signal processing)

theta=angleCalc(S,C,out_mode)

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updated 1 month ago

An Easy Efficient Pure Algebraic Method for Partial Fraction Expansion by MA Youneng

A matlab code for partial expansion of rational functions with multiple high-order poles. (mathematics, system identification, signal processing)

pfe.m

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updated 1 month ago

Magnetic field of a Circular current loop using Biot Savart's Law by Sathyanarayan Rao

Magnetic Field of a circular loop is evaluated in two dimensions. (mathematics, simulation, aerospace)

Biot_3d.m

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updated 1 month ago

Reconstruction of Image from Simple Back Projection by Shrinivas

Reconstruction of Image from projections (image processing, mathematics, matlab)

[size1,upto,increment]=inputsbp()

[z]=choosesbp(upto,increment)

sbp0109.m

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updated 1 month ago

Efficient Multidimensional Scaling (MDS) by Quan Wang

The is the source code of iterated Levenberg-Marquardt algorithm (ILMA) for solving MDS (mathematics, optimization, pattern recognition)

CM=confusion_matrix_reorder(CM)

[X, total_cost]=MDS_training(Dist,d,iter,strategy,display...

[X2]=MDS_encoding(X1,Dist,display_flag)

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updated 1 month ago

Monte Carlo example of the Multi-Factor coupled Commodity Forward curves Simulator by Ahmos Sansom

Implementation of the Multi-Factor multi commodity forward curve simulator (finance, mathematics, optimization)

GetCov(x, y)

LnTestofSims(mySims, LastFC, volFN, Factors)

MultiFactorForwardCurveSimulator(nSims, Seed, historicalF...

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updated 1 month ago

Virtual Calculator by Oren berkovicth

This calculator allows the user to perform calculations in front of the camera. (image processing, gui, mathematics)

[newstr,same]=samenum(same,num)

displayscrean(x,y,newstr)

virtualcalc

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updated 1 month ago

Empirical Wavelet Transforms by Jerome Gilles

This toolbox proposes the original implementation of Empirical Wavelet Transforms (signal processing, image processing, mathematics)

AnglesLocalMax(f,N)

AnglesLocalMaxMin(f,N)

Angular_sector(theta,radius,theta0,theta1,r0,r1,gammaw,Dt...

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updated 1 month ago

Euler’s method by Mohammed Al-Mostafa

find the function then draw it using the derivative Euler’s method (mathematics)

Euler

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updated 1 month ago

Laplacian 2.0 by Bryan C. Smith

(1-3)D sparse Laplacian matrices with eigenvalues and eigenvectors. (laplacian, eigenvalues, eigenvectors)

laplacian2(numpts, varargin)

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updated 1 month ago

Optimal Finite-burn Interplanetary Injection from Earth Orbit by David Eagle

A MATLAB script for optimizing finite-burn interplanetary injection trajectories. (aerospace, mathematics, simulation)

[fid, itarget, nsegments, xmass0, thrmag, xisp, oev_initi...

asympt (cbmu, rsc, vsc)

atan3 (a, b)

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updated 1 month ago

LAI by Erwin Torreao Dassen

A linear algebra over the integers package based on layered lattices. (mathematics, lattices, linear algebra)

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updated 1 month ago

Bessel Polynomial Linearization Coefficients by Robert Dickson

Linearization coefficients for Bessel polynomials, and certain rational polynomial spectra. (mathematics, bessel polynomial, linearization coeffic...)

bpqcc(n,a)

bpqnn(n,a)

bpqpsdg(gi,f)

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updated 1 month ago

RKN1210 - A 12th/10th order Runge-Kutta-Nystrom integrator by Rody Oldenhuis

Integrator for second-order ODE's with very stringent error tolerances. (accuracy, secondorder ode, rungekuttanystrom)

rkn1210(funfcn, tspan, y0, yp0, options)

rkn1210_DEMO

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updated 1 month ago

Chebpack by Damian Trif

The MATLAB package Chebpack solves specific problems for differential or integral equations. (mathematics, differential equation..., integral equations)

A=fact(a,m)

B=Ex4_delay_main

D=deriv(n,dom)

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updated 1 month ago

Closest by Matt

Finds the value in an array X closest to the scalar b. (mathematics)

closest(X,b)

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updated 1 month ago

Sylvester Matrix by Jos (10584)

SYLVESTER - Sylvester matrix of two polynomials (v3.0, june 2013) (this is not working s..., mathematics, polynomial)

sylvester(P,Q ,MpMq)

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updated 1 month ago

Find Network Components by Daniel Larremore

Find network components, sizes, and lists of member nodes. (network, graph theory, component)

networkComponents(A)

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updated 1 month ago

MatTuGames by Holger I. Meinhardt

A game theoretical Matlab toolbox to compute solution schemes and properties from TU-games. (mathematics, game theory, cooperative game theo...)

AntiCorePlot(varargin)

COAL=tug_Coal2Dec(n)

CddAntiCorePlot(varargin)

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updated 1 month ago

Solar Sail Trajectory Analysis with MATLAB by David Eagle

Two-dimensional trajectory analysis of solar sail Earth-to-Venus and Earth-to-Mars missions. (aerospace, mathematics, simulation)

[fid, nsegments, achar, b1, b2, b3, iplanet, time_g, time...

rkf78 (deq, neq, ti, tf, h, tetol, x)

ss2d_eqm_opt (t, y)

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updated 1 month ago

Plot a plane from 3 points by Nitish Tripathi

It plots a plane from 3 points. Its returns all the coeff of plane (a, b, c,d) (image processing, statistics, mathematics)

plot_line(p1, p2, p3)

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updated 2 months ago

Zernike Moments by Amir Tahmasbi

MATLAB Code for the Fast Calculation of Zernike Moments of order n and repetition m on NxN images. (image processing, physics, mathematics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

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updated 2 months ago

Discrete Frechet Distance by Zachary Danziger

The discrete Frechet distance is a scalar measure of similarity between two curves. (curves, mathematics, metric)

DiscreteFrechetDist(P,Q,dfcn)

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updated 2 months ago

Continous Fractions Expansion by Mario Coutino

Computes the continous fractions expasion of a pulse transfer function. (control design, mathematics, signal processing)

cont_frac(num,den)

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updated 2 months ago

Fourier series of real signals by yoash levron

This function computes the fourier series of a signal (signal processing, mathematics)

construct_harmonic_signal( freq,amp,phase,dc,t )

fourier_series_real( t,x )

fourier_series_real_example.m

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updated 2 months ago

Collatz and Goldbach Conjucture by RAHUL RANJAN

Verification of Collatz and Goldbach Conjucture (conjuncture, mathematics, animation)

goldback(n)

collatz_conjucture.m

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updated 2 months ago

translate_cog by anukriti dureha

translation of centre of gravity of a 2d image to the origin. (mathematics, image processing)

translate_cog(pts)

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updated 2 months ago

Negative Binomial Regression by Surojit Biswas

NB2 Negative-Binomial regression. (statistics, mathematics, optimization)

nbreg( x, y, varargin )

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updated 2 months ago

The Long-term Evolution of Geosynchronous Transfer Orbits by David Eagle

Interactive MATLAB script that predicts the long-term evolution of geosynchronous transfer orbits. (aerospace, mathematics, simulation)

atan3 (a, b)

ceqm1 (t, y)

eci2orb1 (mu, r, v)

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updated 2 months ago

barycentric Coordinates by anukriti dureha

barycentric_coordinates will give the coordinates alpha, beta ,gama of the matrix face_point. (image processing, statistics, mathematics)

barycentric_coordinates( face_point,dt )

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updated 2 months ago

Comparison of Alamouti & MRC Schemes over Rayleigh Channel by Sourav Mondal

This code gives a relative comparison of performance of Alamouti & MRC schemes over Rayleigh channel (communications, control design, data export)

alamouti_new(M, frmLen, numPackets, EbNo)

mrc_new(M, frmLen, numPackets, EbNo)

alamouti_mrc_RUN_new.m

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updated 2 months ago

Simple graphic calculator by Oren berkovicth

Graphic Calculator (gui, mathematics, calc)

plotgraf(varargin)

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updated 2 months ago

FELICITY by Shawn Walker

Finite ELement Implementation and Computational Interface Tool for You (finite element method, modeling, mathematics)

Coarse_Square_Codim_1()

CompareFiles(File1,File2)

Convert_Interp_script_to_MEX(Main_Dir,Iscript,MEX_FileName)

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updated 2 months ago

False Position with Newton by Harold John

2 methods in one code (mathematics)

FalsePosition(f, a, b)

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updated 2 months ago

Falseposition with Newton by Harold John

How to use 2 methods in one code (mathematics)

FalsePosition(f, a, b)

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updated 3 months ago

Truss Design Optimization Based on Generative Algorithms by James Allison

Supplementary material for a WCSMO publication regarding truss design optimization. (structural design, aerospace, automotive)

D=TrussData(Coord, Con)

GAcon(x)

JacobianStresscal(D, Area)

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updated 3 months ago

Drive the induction motor with minimum losses by KATHIM Alrifai

Loss Minimization in Induction Motor Drives Using Genetic Algorithms (control design, optimization, mathematics)

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updated 3 months ago

Discretization methods: Class-Attribute Contingency Coefficient (CACC - MATLAB) by Julio Zaragoza

Correct Implementation of the CACC Discretization Method. http://cs.adelaide.edu.au/~jzaragoza (statistics, mathematics)

cacc(data)

main.m

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updated 3 months ago

A MATLAB Implementation of the Jacchia Atmosphere Model by David Eagle

MATLAB function and demonstration script which implement the Jacchia 1970 atmosphere model. (aerospace, mathematics, simulation)

atan3 (a, b)

gast1 (jdate)

gdate (jdate)

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updated 3 months ago

Experimental Investigation on Solar Chimney for room ventilation by Ashish Meshram (Meet)

This project implements experimental Investigation on Solar chimney for room ventilation (solar chimney, ventilation, mass rate flow)

EISCRV(H,T,Ta,Ls,W,z,d,Vr,maxiter,maxerr)

GaussSeidelSOR(A,b,omega,es,maxit)

MatCrea(Coeff,Flux,Wall,Tf,Ta,Ls,z,W,d)

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updated 3 months ago

Particle Swarm Optimization by Yan Ou

[x,fval] = pso(fun,np,A,b); % fun: function handle % np: number of particles % A, b: Ax<=b (optimization, nonconvex optimizatio..., mathematics)

pso(fun,np,A,b,inertia,correction_factor,iteration)

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updated 3 months ago

Fast Eigenvalue Computation of Massive 3-by-3 Real Symmetric Matrices by Max W.K. Law

For multiple 3x3 real symmetric matrices, vectorized matrix operations, support GPU computation (3x3 matrix, eigen, eigendecomposition)

eigenvaluefield33( a11, a12, a13, a22, a23, a33)

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updated 3 months ago

cofficients of fourier series by davood shaghaghi

This function is written to calculate the cofficients of fourier series. (control design, mathematics, image processing)

[]=fs(x,T0,n,type)

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updated 3 months ago

A MATLAB Script for Time and Coordinate Calculations by David Eagle

Interactive MATLAB script that can be used to perform time and coordinate calculations. (aerospace, mathematics, simulation)

atan3 (a, b)

brent (f, x1, x2, rtol)

coe2eqoe(coe)

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updated 3 months ago

Grid of points within a polygon by Sulimon Sattari

This function generates an array of points that lie within a given polygon (polygon, points, point)

polygrid( xv, yv, ppa)

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updated 3 months ago

Multidimensional matrix multiplication by Sandor Toth

The simple function performs fast matrix multiplication within multidimensional arrays. (matrix, multiplication, simple)

mmat(A,B,dim)

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updated 3 months ago

Spline2D or Piecewise Continuous 2D Polynomials by Mark Mikofski

Fit a 2D function with piecewise continuous polynomials (data exploration, interpolation, mathematics)

examples

splineFit2D(f,x,y,n,m,xb,yb,continuity,ngrid)

splineVal2D(pp,x,y,n,m,xb,yb)

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updated 3 months ago

Edge Error by Jesus Emilio

Usando detectores de borde como: canny, sobel... etc (image processing, mathematics)

edgeerrorthres.m

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