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updated 17 hours 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 20 days 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 30 days 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 1 month 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 1 month 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 1 month 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 3 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 4 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 4 months 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 5 months 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 5 months 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 6 months 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 6 months 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 6 months 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 7 months 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 9 months 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 9 months 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 10 months 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 10 months 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 10 months 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 10 months 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 11 months 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 11 months 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 12 months 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 12 months 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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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updated 1 year ago

Double spherical pendulum by karlosgk

Numerical solution of double spherical pendulum Lagrange equations along with their analytical form (large rotations, chaotic motion, double spherical pend...)

doublependulum3D(t,x,flag,l1,l2,m1,m2,g)

doublependulum3D_equations.m

doublependulum3D_plot.m

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updated 1 year ago

Numerical Inverse Laplace Transform by Tucker McClure

Numerical approximation of the inverse Laplace transform for use with any function defined in "s". (inverse laplace trans..., laplace, talbot)

euler_inversion(f_s, t, M)

euler_inversion_sym(f_s, t, M, P)

talbot_inversion(f_s, t, M)

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updated 1 year ago

Gaussian Elimination & Inverse Matrix Finder by Mohammed Al-Mostafa

Gaussian Elimination with pivoting& Inverse Matrix Finder using determinant and Gaussian elimination (matrix, mathematics)

Numerical.m

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updated 1 year ago

Uniform Filter Bank by Iman

This function can be used to design a uniform filter bank with M subbands. (optimization, signal processing, uniform filter bank)

P=P_NPR(M,m,m1)

PR_Nguyen.m

[c,ceq]=confun(h)

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updated 1 year ago

Approximate Steering of a Unicycle Under Bounded Model Perturbation Using Ensemble Control by Aaron Becker

Steers unicycle despite model perturb. scaling speed & turning rate by unknown, bounded constant. (ensemble control, nonholonomic unicycle, motionplanning)

EnsembleControlUnicycleUnderBoundedModelPerturbation

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updated 1 year ago

3 shot dynamic balancing by Muhammad Tauha Ali

it gives exact position and amount of mass to be added or removed for dynamic balancing (dynamic balancing, displacement, utilities)

shot3(varargin)

3 shot dynamic balancing

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updated 1 year ago

sexy by Naor Movshovitz

Display a symbolic expression in a human readable form. Extension of the built-in pretty function. (symbolic math, pretty, symolic expression)

sexy(s)

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updated 1 year ago

Teaching Numerical Gradients and Hessians by Brendan Wood

Simple, well-commented Matlab code to demonstrate how to take numerical derivatives and Hessians. (teaching, learning, derivative)

fun(X, NFV)

num_grad(func, X, NFV, h)

num_hess(func, X, NFV, h)

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updated almost 2 years ago

Automatic Solution and Log Linearisation of DSGE Models by Tom Holden

Code to analytically log linearise DSGE models in Matlab. Requires the symbolic toolbox. (dsge, economics, macroeconomics)

LogLin.m

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updated almost 2 years ago

Automated Eigenvalue analysis of SD models by Ahmed Abdelgawad

Identifying dominant behavior patterns, links and loops: Automated Eigenvalue analysis of SD models. (system dynamics, eigenvalue analysis, dominant behavior pat...)

allcycsn(a)

allpathn(from,to,a)

analysis( modelObjectsStructVector , constantsVector , co...

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updated 2 years ago

Symbolic Autocorrelation by Atul Ingle

Autocorrelation of a vector of symbolic variables (symbolic, autocorrelation)

sym_autocorr(seqLen)

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updated 2 years ago

Least Squares Curve Fitting by Muhammad Tauha Ali

Graphical interfacing of least squares (plotted curves, data, polynomial)

curve_fitting(varargin)

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updated 2 years ago

Symbolic Discrete Delta Function by Atul Ingle

Discrete delta function for symbolic operations (discrete delta, symbolic)

symIndicator(o1, o2, varargin)

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updated 2 years ago

Multivariable Polynomial Regression by Ahmet Cecen

Performs polynomial regression on multidimensional data. (statistics, polynomial regression, multivariable regress...)

MultiPolyRegress(Data,R,PW,PV)

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updated 2 years ago

Newton's method done right by Andrew Knyazev

Newton's method for solving systems of nonlinear equations, including nonsquare and inconsistent (mathematics, physics, modeling)

Newton(X,F,X0,varargin)

NewtonDemoRunMe.m

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updated 2 years ago

MATLAB en zijn Symbolic Math Toolbox by Tjibbele Miedema

Leergang voor geïnteresseerden in de Computeralgebra - Systemen MATLAB en zijn Symbolic Math Toolbox (mathematics)

Angl_Vectors(R, S)

Are_Orthogonal(R, S)

Area(r)

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updated 2 years ago

Display symbolic expression in web browser. by Joerg Buchholz

CUTE(EXPRESSION) displays the symbolic (or string) EXPRESSION in the standard web browser. (display, latex, symbolic)

cute (expression)

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updated 2 years ago

Routh's array in symbolic way by Carlos M. Velez S.

Routh's array of symbolic polinomials. It is different for similar functions in Matlab Central. (routh, hurwitz, stability)

routh_hurwitz.m

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updated 2 years ago

Jury's array in symbolic way by Carlos M. Velez S.

The function gives the Jury's array from a numerical or SYMBOLIC polynomial (includes special cases) (control design, mathematics, stability)

jury.m

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updated 2 years ago

MotifCatcher by Phillip Seitzer

a MATLAB GUI platform for determination and evaluation of biologically significant motifs (motif, positionspecific scor..., scoring matrix)

...

MC_CompareOccurrenceAndLocalization(MotifMap)

MC_GetFPDir

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