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updated 10 days ago

Tools for 2-D Tomographic Reconstruction by Ligong Han

Ligong Han

Tools for nonlinear filters & 2-D tomographic reconstruction (signal processing, image processing, reconstruction)

anisodiff(u, n_iter, tao, lambda, option)

bilateral_filter(u, n_iter, gn, lambda_s, lambda_r, option)

bpf(f, sf, BL, BH)

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updated 14 days ago

FELICITY by Shawn Walker

Shawn Walker

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

Coarse_Square_Codim_1()

CompareFiles(File1,File2)

Convert_Interp_script_to_MEX(Main_Dir,Iscript,MEX_FileName)

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updated 1 month ago

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

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 1 month ago

Symbolic Polynomial Manipulation by John D'Errico

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 1 month ago

HPF - a big decimal class by John D'Errico

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 1 month ago

Dynamical Systems with Applications using MATLAB 2e by Stephen Lynch

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 4 months ago

fulldiff.m by Timothy Jorris

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 5 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 7 months ago

Express_as_exponential_series by David H

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 10 months ago

ODE Solver through Galerkin Method by Marcos Cesar Ruggeri

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 11 months ago

Phase Plane Analysis by Zoltán Csáti

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

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

Symbolic Matrix by Zachary Danziger

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

Friction Factor from Moody Diagram by Taesam Lee

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

Convert a symbolic expresion to a vector by Luis Erasmo Miranda

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

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

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

FUNCTION PLOTTER IN ONE VARIABLE by RAHUL RANJAN

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

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 almost 2 years ago

Dynamical Systems with Applications using MATLAB by Stephen Lynch

Stephen Lynch

Companion Software. (mathematics, discrete, fractals)

Program_5c(~)

Programs_17a

Programs_17b

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updated almost 2 years ago

OPTRAGEN by Raktim Bhattacharya

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

Deepak Ramaswamy

files from the webinar (symbolic, eigenvalues, poles)

JetThrust(t)

Mass(time, rocketStartTime, engineOffTime)

aerodynamicDrag(v)

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updated 2 years ago

Numerical Inverse Laplace Transform by Tucker McClure

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 2 years ago

Gaussian Elimination & Inverse Matrix Finder by Mohammed Al-Mostafa

Mohammed Al-Mostafa

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

Numerical.m

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updated 2 years ago

Uniform Filter Bank by Iman

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 2 years ago

sexy by Naor Movshovitz

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 almost 3 years ago

Symbolic Autocorrelation by Atul Ingle

Atul Ingle

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

sym_autocorr(seqLen)

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updated almost 3 years ago

Symbolic Discrete Delta Function by Atul Ingle

Atul Ingle

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

symIndicator(o1, o2, varargin)

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updated 3 years ago

Newton's method done right by Andrew Knyazev

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 3 years ago

MATLAB en zijn Symbolic Math Toolbox by Tjibbele Miedema

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 3 years ago

Display symbolic expression in web browser. by Joerg Buchholz

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 3 years ago

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

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 3 years ago

Improving MATLAB® performance when solving financial optimization problems by Jorge Paloschi

Jorge Paloschi

Jorge Paloschi,PHD and Sri Krishnamurthy,CFA May 2011, http://www.wilmott.com/magazine.cfm (optimization, finance, symbolic)

OptimizationWithSymbolicToolboxDemo()

vectorize(s)

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updated almost 4 years ago

Hybrid Genetic Optimizer for Grey-box Model Identification by Jie Hu

Jie Hu

Matlab code of a hybrid genetic optimizer for Grey-box Model Identification. (optimization, modeling, system identification)

Abs_RI( RI )

Avg_Func(S21_RI, Opt)

AxisLim_Func(Min_In, Max_In, division)

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updated almost 4 years ago

pmap - Parameter Space Stability Mapping Suite by Michael Knap

Michael Knap

Finds the Hurwitz stability region in a parameter space of a continuous time system. (control design, mathematics, data exploration)

Stable=pmap_calc(varargin)

pmap(varargin)

pmap_generate(spoly, varargin)

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updated 4 years ago

Newton Method in N dimensions by Kyle Drerup

Kyle Drerup

Simple implementation of Newton's method, in n dimensions, taking input of >=n equations. (newtons method, numerical analysis, root finding)

newton_n_dim(tolerance_rss,initial_estimate,sym_variables...

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updated 4 years ago

Marine Automatics by Mateusz Blonski

Mateusz Blonski

Simulation models of marine automatics elements library for MATLAB/Simulink (control design, mathematics, simulation)

slblocks

Demo1c1.m

Demo2c1.m

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updated 4 years ago

Ezimplot3: implicit 3D functions plotter by Gustavo Morales

Gustavo Morales

Plots a 3D surface defined implicitly (surface, implicit functions, plotting)

ezimplot3(varargin)

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updated 4 years ago

newt by Gabriel Frangakis

Gabriel Frangakis

This function quickly preforms Newton's method on a vector function of multiple variables. (mathematics, newton, method)

newt(er,varargin)

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updated 4 years ago

secant method in nonlinear ode by Kalyan Bhattacharjee

Kalyan Bhattacharjee

this will find the solution of U''=k*U*U' by using taylor series 3rd order and secant method (mathematics, simulation, optimization)

math1.m

secant.m

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updated almost 5 years ago

Syms to TF Conversion by Crystal Nassouri

Crystal Nassouri

Simple M file to convert Symbolic Equations/Polynomials to ZPK TF form. (syms, sym, symbolic)

syms2tf(G)

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updated almost 5 years ago

Circuit Analysis Toolbox by John McDermid

John McDermid

The circuit analysis toolbox allows you to perform an AC analysis of a circuit. (ac analysis, node voltage, branch current)

[cirDesc,refNode,notes,file]=input_file(varargin)

[nodeList,refNodeNew]=node_list(cirDesc,refNode)

cirDescNew=edit_desc(cirDesc)

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updated almost 5 years ago

SDamala Toolbox by Angélica María Atehortúa Labrador

Dynamical systems Toolbox, for simulation and analysis dynamical systems deterministic (dynamical systems, mathematics, phase portrait)

About(varargin)

TC_bifur

[T,Res]=tc_explyapunov(f,to,dt,tf,ystart,ioutp)

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updated almost 5 years ago

Lagrange polynomial by Ernesto Momox Beristain

Ernesto Momox Beristain

Lagrange form of the interpolation polynomial (lagrange, polynomial, interpolation)

coefficient(x,y,L)

show_polinterp(x,y)

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updated almost 5 years ago

Gravity Measurement Case Study by Robert Bemis

Robert Bemis

Scientific imaging case study with MATLAB and toolboxes. (tutorial, example, image acquisition)

FindImaqDevices(desiredFormat)

[x,y]=limits(a)

readme

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updated 5 years ago

Custom solution for 3 non-linear simultaneous equations by Bruce Raine

Bruce Raine

Solves one type of non-linear system of 3 simultaneous equations in 3 unknowns. (mathematics, symbolic math toolbox, nonlinear equations)

symsolvenonlineq(n,degrees,dinput)

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updated 5 years ago

Solving non-linear (and linear) simultaneous equations with 'solve' - version 2 by Bruce Raine

Bruce Raine

symsolvesimulv2.m solves non-linear and linear (or a mix of) simultaneous equations. (mathematics, nonlinear, linear)

symsolvesimulv2(exp,coeffconsts)

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updated 5 years ago

Solving non-linear (and linear) simultaneous equations with 'solve' by Bruce Raine

Bruce Raine

symsolvesimul.m solves non-linear and linear (or a mix of) simultaneous equations. (solve, mathematics, nonlinear)

symsolvesimul(exp,coeffconsts)

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updated 5 years ago

Mullers method for polynmial root finding. by Chandan

Chandan

Finds root of a polynomial numerically even if it is complex. (mathematics, polynomial root findi..., root finding)

Muller.m

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updated 5 years ago

An optimal control tutorial for beginners by Xuezhong Wang

Xuezhong Wang

A tutorial and sample code for solving optimal control problems with indirect methods. (optimal control, optimization, control design)

eg1OC

eg2OC_BVP

eg2OC_Descent

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updated 5 years ago

Newton Raphson method for Transcendental equations by Chandan

Chandan

Evaluates the root of transcendental equation using Newton Raphson Method. (mathematics, newton raphson method, transcendental equati...)

NR_Transcendental()

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