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updated 24 days 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 1 month 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 1 month 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 1 month 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_18a

Programs_18b

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updated 4 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 5 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 8 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 8 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 9 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 10 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 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

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

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

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

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 almost 2 years 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 almost 2 years 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 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

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

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

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

Improving MATLAB® performance when solving financial optimization problems by 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 3 years ago

Hybrid Genetic Optimizer for Grey-box Model Identification by 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 3 years ago

pmap - Parameter Space Stability Mapping Suite by 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 3 years 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 3 years ago

Newton Method in N dimensions by 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 3 years ago

Marine Automatics by 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 almost 4 years ago

Ezimplot3: implicit 3D functions plotter by 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

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

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 4 years ago

Syms to TF Conversion by Crystal Nassouri

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

syms2tf(G)

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updated 4 years ago

Circuit Analysis Toolbox by 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 4 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 4 years ago

Lagrange polynomial by 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 4 years ago

Gravity Measurement Case Study by 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 4 years ago

Custom solution for 3 non-linear simultaneous equations by 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 4 years ago

Solving non-linear (and linear) simultaneous equations with 'solve' - version 2 by 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 4 years ago

Solving non-linear (and linear) simultaneous equations with 'solve' by 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 4 years ago

Mullers method for polynmial root finding. by 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 4 years ago

An optimal control tutorial for beginners by 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 almost 5 years ago

Newton Raphson method for Transcendental equations by Chandan

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

NR_Transcendental()

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updated 5 years ago

SYMBMATMAKE by Richard Hindmarsh

Makes a subscripted symbolic matrix . (symbolic math, symbolic, subscripted)

symbmatmake.m

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updated 5 years ago

MATLAB in Physics - Symbolic Computation and Differential Equations by Matt McDonnell

The fourth lecture in a series on using MATLAB in undergraduate physics courses. (physics, demo, education)

centralPotentialODE(stateVect,charges,p,polarity,masses)

selectPathData(h,x,y,t,tSet,rangeFraction)

LorentzAttractor

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updated 5 years ago

Simple three-point minimum estimation by Gabriel Alcantara

Script to find the minimum of a single variable function using the Three-point search method. (optimization)

estimated=three_point(sfun,a,b,tolerance)

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updated 5 years ago

Steepest Decent Method by Duc

Solves a multi-variable unconstrained optimization problem using the Steepest Decent Method (mathematics)

alphaVal=fminimum(phiAlpha1)

realVT=removeComplexVals(complexVT)

GradientAlgorithm.m

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