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updated 4 days ago

Tutorial and Toolbox on real-time optical flow by Stefan Karlsson

Code with visualization and excercises. Camera supported (computer vision, optical flow, image processing)

ApertureIllustration(type)

DoEdgeStrength(dx, dy,tInt,edgeIm)

DoEdgeStrength(dx, dy,tInt,edgeIm)

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updated 10 days ago

A Fully Automated Flowgraph Analysis Tool for MATLAB by Marko Neitola

A handy signal flow graph analysis tool for exploring transfer function(s) of a given system. (transfer function, signal flow graph, delta sigma)

find_soe(tfq,TFqs,numonly)

flow_tf(flwfilename)

flowdemo.m

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updated 16 days ago

Symbolic Polynomial Manipulation by John D'Errico

Symbolic polynomial manipulation as an exercise in OOP (symbolic, polynomial, arithmetic)

adjoint(A)

consolidator(x,y,aggregation_mode,tol)

gaussquadrule(n,class,alpha,beta)

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updated 16 days ago

Variable Precision Integer Arithmetic by John D'Errico

Arithmetic with integers of fully arbitrary size. Arrays and vectors of vpi numbers are supported. (finite field, integer, biginteger)

base2vpi(B,base)

bin2vpi(B)

binomfactors(n,k)

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updated 16 days ago

HPF - a big decimal class by John D'Errico

High precision floating point arithmetic, a new class written in MATLAB (hpf, multiple precision, big decimal)

DefaultDecimalBase(DBaseNew)

DefaultNumberOfDigits(NDig,varargin)

eulerGamma(NDig)

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updated 18 days ago

Dynamical Systems with Applications using MATLAB 2e by Stephen Lynch

MATLAB, Simulink and MuPAD files to accompany the second edition of the book. (binary oscillator com..., fractals, differential equation...)

Program_6c(~)

Programs_13c(~,x)

Programs_15f(t,x)

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updated 29 days ago

Parabolic Nondiffracting Beams by Miguel A. Bandres

Calculate the parabolic nondiffracting beams (Weber beams) or the Helmholtz equation. (parabolic beams, nondiffracting, bessel beams)

Parabolic_Nondiffracting_Beam.m

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updated 1 month ago

N-argument least common multiple calculator with arbitrary precision by Shawn Divitt

This function returns the least common multiple of the set of integers passed to it. (lcm, vpa)

a=vlcm(M)

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updated 1 month ago

Compressed Differentiation by Oren

The package differentiates symbolic multivariate functions fast and efficiently (jacobian, mixed derivatives, symmetric)

[derivs,uncomp]=compderivs(f,x,order)

test_compderivs.m

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updated 1 month ago

punctureSurface by Paul Kassebaum

Create a 3D printable meshed surface (3d printing, stl, mesh)

punctureSurface(manifold, boundVert, holeSize, shellThick...

tPunctureSurface.m

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updated 2 months ago

Propagation of Uncertainty by Brad Ridder

Returns the propagated uncertainty in a function F imparted to it from its variables (uncertainty, error, propagation)

PropError(f,varlist,vals,errs)

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updated 3 months ago

Triangle/Ray Intersection by Jaroslaw Tuszynski

Fast vectorized triangle/ray intersection algorithm (computer graphics, intersection, ray)

PointInsideVolume(point, faces, vertices)

TriangleRayIntersection

Tutorial and tests of TriangleRayIntersection function

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updated 3 months ago

fulldiff.m by Timothy Jorris

Symbolically computes full derivative wrt time using chain rule and time variables. (symbolic math, full, derivative)

dout=fulldiff(varargin)

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updated 3 months ago

Fitting quadratic curves and surfaces by Levente Hunyadi

Fit ellipses, ellipsoids and other quadratic curves and surfaces to noisy data. (parameter estimation, quadratic curves, quadratic surfaces)

ang2rot(phi, theta, psi)

circlefit(x,y)

eigsm(A,B)

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updated 4 months ago

Complex fsolve by Leonidas Georgopoulos

Computes numerically complex solutions of a system of equations (complex, imaginary, optimisation)

[cfsol fsol fval exitflag output jacob ]=cfsolve(funhandl...

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updated 5 months ago

FELICITY by Shawn Walker

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

Coarse_Square_Codim_1()

CompareFiles(File1,File2)

Convert_Interp_script_to_MEX(Main_Dir,Iscript,MEX_FileName)

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updated 6 months ago

Express_as_exponential_series by David H

Converts a symbolic expression S to the form S = sum_{k=1}^N c_k exp(b_k*t) (symbolic, exponential, series)

express_exp_series(S,t,remove_dupe)

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updated 6 months ago

Mult&T by Franklin Pineda

Realizations and Control of Multivariable Linear Systems. (control design)

[A B C D T]=hoform(Gt,W)

[A B C D]=lcfform(Gt)

[A B C D]=lmpf2ss(D1,N)

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updated 7 months ago

EnsembleControlCrane.zip by Nathan

Example of ensemble control using an overhead crane model (ensemble control, crane, uncertain parameters)

[input]=CalculateInputCrane(n,k,start,final,Ad,Bd,theta_e...

CreateMovie.m

EnsembleControlCrane.m

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updated 8 months ago

Lagrange Mechanics by Peter van Alem

Simulation of double and coupled pendulum (lagrange mechanics, double pendulum)

DrawSpring2D.m

DrawSpring3D.m

CoupledPendula2D.m

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updated 8 months ago

Parallel Implementation of the Picard Iteration For Linear BVP PDEs by Darin Koblick

Parallel Picard Iteration for a Linear Hyperbolic BVP PDE (pde, hypberbolicsecond ord..., hyperbolic pde)

parPicardPDESolver(N)

seqPicardPDESolver(N)

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updated 8 months ago

RGDS_Practical_Guide by Daniel/Ronald

MATLAB routines for the book: "Development of Innovative Drugs via Modeling with MATLAB". (simulation, pharmaceutical, simulink)

AUC

CTSbasics.m

DDEconst

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updated 8 months ago

EnsembleControlMassSpring.zip by Nathan

Simple example of ensemble control using a mass-spring model. (ensemble control, mass, spring)

[input]=CalculateInput(n,k,start,final,Ad,Bd,nominaleps)

EnsembleControlMassSpring.m

MassSpring

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updated 8 months ago

Curvilinear Coordinates by Howard Wilson

Programs using curvilinear coordinates, and tensor concepts are given. (aerospace, aeronautics, aerodef)

[R,n,bco,bcn,gco,gcn,cs1,cs2]=runmet(x,y,z,n)

[X,Y,Z]=cone0(z,t,p)

[X,Y,Z]=cylin0(r,t,z)

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updated 9 months ago

Pade Approximant of a trunctated series by Nate

For a truncated power series, this lightweight code gives a Pade Approximant. (pade approximant)

f=PA(B0,B,J,L)

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updated 9 months ago

ODE Solver through Galerkin Method by Marcos Cesar Ruggeri

This program solves Ordinary Differential Equations by using the Galerkin method. (differential equation..., ode, galerkin)

[approx,exac,err]=odegalerkin(poly,bc,n)

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updated 9 months ago

GUI for "Newton's Method Done Right" by Barry Loper

Demonstrates Newton's method of solving a system of nonlinear equations (newton, roots)

NewtonDemoGUI(varargin)

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updated 10 months ago

Phase Plane Analysis by Zoltán Csáti

GUI for visualizing the direction field of two coupled first order nonlinear differential equations (differential equation..., direction field, gui)

PhasePlaneAnalysis.m

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updated 1 year ago

Optimization in MATLAB: An Introduction to Quadratic Programming by Seth DeLand

Files used in "An Introduction to Quadratic Programming" Webinar (optimization, quadratic programming, nonlinear optimizatio...)

Hess(in1)

calculateValue(s0,price,inFlow,turbFlow,spillFlow,C2A,n)

createPlots(turbFlow,spillFlow,inFlow,price,s0,C2A,n)

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updated 1 year ago

MatLab Solutions: "Introduction to Digital Signal Processing: A Computer Laboratory Textbook". by Ilias Konsoulas

These files are the MatLab solutions of exercises contained in the above DSP lab textbook. (dsp, digital signal proces..., discrete fourier tran...)

AD_DA(x,Xmin,Xmax,Levels)

conv_DHT(x,y)

conv_DHT2(x,h)

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updated 1 year ago

Symbolic Matrix by Zachary Danziger

Creates a matrix composed of properly indexed symbolic elements. (mathematics, linear algebra, symbolic math)

symMat(dims,Mname,type)

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updated 1 year ago

ensemble kalman filter by dwight nwaigwe

This program uses the ensemble kalman filter to estimate a system's state. (ensemble kalman filte..., kalman filter, state estimation)

ensemblekfilter(f,h,x_tr,x_ini,w,z,num_iterations)

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updated 1 year ago

Friction Factor from Moody Diagram by Taesam Lee

Estimate Friction Factor instead obtaining from Moody Diagram (solve)

fout=Moody_Diagram_f_Est(Para,Category)

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updated 1 year ago

Multi-dimensional polynomial evaluation by Yi Sui

Multi-dimensional polynomial evaluation (polynomial)

poly_nd(order,varargin)

v=polyval_nd(p,order,varargin)

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updated 1 year ago

Convert a symbolic expresion to a vector by Luis Erasmo Miranda

convert a symbolic expression to a vector with length of the number of terms of the expression (symbolic, vector, convert)

R=sym2vec(r)

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updated 1 year ago

evalit.m v3 (Jul 2013) by Carlos Adrian Vargas Aguilera

Evaluates a mathematical expression and rounds it accordingly to the error propagation theory. (error propagation, significant figures, precision)

evalit.m

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updated 1 year ago

Richardson Extrapolation by Ehsan Behnam

It computes the derivative of a function based on the Richardson extrapolation. (richardson extrapolat..., derivative of a funct..., tyler series)

richardson_based_derivative(eq, x0, n, h)

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updated 1 year 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 year ago

Newton form for interpolating polynomials by Ehsan Behnam

newton_interpolation.m provides a simple tool for interpolating any function. (interpolation, newton polynomial, divided difference)

newton_interpolation(eq, degree, interval, verbose)

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updated 1 year ago

Finding roots of equations by Ehsan Behnam

Implementing Bisection and Newton-Raphson methods to find roots of equations (root of equations, bisection, newtonraphson)

find_one_root_by_bisectin(eq, x, intrvl, ...

newton_raphson(fx, x, intrvl)

root_bisection(fx, x, intrvl)

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updated 1 year ago

Analytic Circuit Solver by Raj Sodhi

Reads in text netlist and uses symbolic toolbox to provide transfer function in analytic form. (analytic circuit solv...)

abcd_calc_symbolic(file1)

transfer_func_calc(file1)

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updated 1 year ago

FUNCTION PLOTTER IN ONE VARIABLE by RAHUL RANJAN

differential, integral, and plot of default or user defined mathematical function (calculus, differentiation, integration)

FUN_PLOTTER(varargin)

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updated 1 year ago

FindFactors by Jose Victor

Find factors of a symbolic expression. It generalizas coeffs for non polinomials (robotics, symbolic, factorization)

[Factors,Res]=FindFactors(Term,Vector);

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updated 1 year ago

Nearest Neighbor Spatial Weights Matrix by Patrick Walsh

uses x,y coordinates to produce one of several types of nearest-neighbor spatial weight matrix. (spatial econometrics, spatial weights matri..., nearest neighbor)

S=nnSWM(xcoord,ycoord,N,Contig,RowStdOpt)

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updated 1 year ago

Modelling and Simulation of Kuka kr6 robot. by Rohit Mishra

A fully working Matlab Simulation of KUKA KR6 robot with Direct kinematic Parameters is done. (kuka, robotic arm, robotic manipulator)

KUKA_GUI(varargin)

direct(q1,q2,q3,q4,q5,q6)

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updated almost 2 years ago

Dynamical Systems with Applications using MATLAB by Stephen Lynch

Companion Software. (mathematics, discrete, fractals)

Program_5c(~)

Programs_17a

Programs_17b

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updated almost 2 years ago

Transient Heat Conduction by Ye Cheng

This MATLAB App provides a GUI to study transient and steady-state heat conductions. (gui, app, heat transfer)

transientConductionGUI(varargin)

transientConduction

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updated almost 2 years ago

OPTRAGEN by Raktim Bhattacharya

Optragen is a parser which translates optimal control problems to nonlinear programming problems. (motion planning, optimal control, optimization)

createArgList(OutputSequence)

createGuess(x,hl,Xval);

createMFunction(OutputSequence,Cin,tag,ProbName,ParamList)

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updated almost 2 years ago

Using Analytical Tools to Gain Insight and Speed-up Num. Analysis in MATLAB & Symbolic Math Toolbox by Deepak Ramaswamy

files from the webinar (symbolic, eigenvalues, poles)

JetThrust(t)

Mass(time, rocketStartTime, engineOffTime)

aerodynamicDrag(v)

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updated almost 2 years ago

Gyroscope-Gyrocompass by karlosgk

Numerical solution of gyroscope-gyrocompass Lagrange equations (large rotations, euler angles, gyroscope gyrocompass)

F=gyroscope(t,x,flag,L,R1,R2,R3,g,m,m1,m2,m3)

gyroscope_equations.m

gyroscope_plot.m

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