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updated 15 days ago

ODE Tutorial Demo by Andrew Knyazev

Advanced examples of using the MATLAB Symbolic Math Toolbox for Ordinary Differential Equations (ode, symbolic, movies)

ODEtutorial.m

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updated 19 days ago

Derivation and Simulation of an N-Pendulum by BlaznHotWing

Derives the equations of motion for an n-pendulum, and simulates the motion of the system. (equations of motion, pendulum, simulation)

eqnsofmotion(L,VAR,Q,CON)

npendulum(N,POS,VEL,TSPAN)

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updated 19 days ago

Symbolic Solution to Lagrange's Equation by BlaznHotWing

Finds the simplified equations of motion given the Lagrangian, L, in terms of symbolic variables. (symbolic, lagrange, equations of motion)

eqnsofmotion(L,VAR,Q,CON)

springpendulum()

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updated 1 month ago

series de Fourier para funciones definidas a trozos by Michael Arias Fajardo

Código para generar las series de Fourier de funciones definidas a trozos (symbolic, sum, int)

transformada_de_fourier_grupo_ de_funciones.m

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updated 3 months ago

Non Homogeneous Sturm Liouville Equation Solver by Hirak Doshi

Solve Non homogeneous Strum-Liouville Equation with homogeneous boundary conditions (mathematics, symbolic)

bvp2( a,b,f,in1,in2 )

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updated 3 months ago

Exact (symbolic) determinant of a matrix without MATLAB inbuilt function by Ankit Digarsey

MATLAB code to find EXACT determinant of a Matrix using recursion (Symbolic Math Toolbox required). (exact, symbolic)

cofact( A,i,j )

exactdet(A )

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updated 6 months ago

Symbolic Polynomial Manipulation by John D'Errico

John D'Errico (view profile)

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

Sympoly_demos

adjoint(A)

consolidator(x,y,aggregation_mode,tol)

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updated 7 months ago

Symbolic Derivatives for Econometric Tests by Alan Weiss

How to calculate derivatives required by Econometric Toolbox tests via Symbolic Math Toolbox (symbolic, econometrics, jacobian)

symbolic_econometric_tests.m

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updated 8 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 11 months ago

Express_as_exponential_series by David H

David H (view profile)

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 year ago

Christoffel symbols and geodesics, symbolic model by Ninetrees

Uses MATLAB symbolic processor to produce symbols (symbolic, christoffel symbols, geodesic)

Christoffel_symbols_and_geodesics_0100_M2011a.m

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updated 1 year ago

DUAL QUATERNION SYMBOLIC TOOLBOX by Hanfucius

can be used for formula deduction represented by dual quaternion algebra (dual, quaternion, symbolic)

av2dq(AV)

dnmult(dn0,dn1)

dq2av(dq)

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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 almost 2 years ago

invSym by Stephen

Stephen (view profile)

invert symbolic nxn matrix (inverse, symbolic, mupad)

invSym(M)

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updated almost 2 years ago

SymPy CAS in MATLAB by Jonathan Lister

Jonathan Lister (view profile)

Enables using Python's SymPy CAS in MATLAB (symbolic, computer algebra, python)

symeval(sympy_fun,fstr,varargin)

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updated almost 2 years ago

MAXIMA CAS in MATLAB by Jonathan Lister

Jonathan Lister (view profile)

Utilize MAXIMA CAS in MATLAB as a symbolic toolbox. (mathematics, maxima cas, cas)

maxima(str2eval)

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updated 2 years 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 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 2 years ago

Equations of motion to state space by michael arant

michael arant (view profile)

Converts set of equations of motion (symbolic format) into state space matrices (x_dot = A*x + B*u) (state space, symbolic, equation of motion)

eom2ss(eq,x,dx,U)

eom2ss_symbolic_example1(s)

eom2ss_symbolic_example1(s)

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updated 2 years ago

Numerical Inverse Laplace Transform by Tucker McClure

Tucker McClure (view profile)

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

Examples of Numerical Approximation of the Inverse Laplac...

euler_inversion(f_s, t, M)

euler_inversion_sym(f_s, t, M, P)

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updated 3 years ago

Symbolic Autocorrelation by Atul Ingle

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

sym_autocorr(seqLen)

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updated 3 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 3 years ago

Display symbolic expression in web browser. by Joerg Buchholz

Joerg Buchholz (view profile)

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

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

Convert inline to symbolic by Héctor Corte

Héctor Corte (view profile)

Convert an inline function into symbolic so you can use symbolic operators like diff() or jacobian() (mathematics, optimization, simulation)

inline2sym.m

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updated 5 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 5 years ago

Circuit Analysis Toolbox by John McDermid

John McDermid (view profile)

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 5 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 almost 6 years ago

Substitute Expressions in Matlab by Shaminda Subasingha

Substitute parts of a equation (mathematical expression). Helpful in simplifying long expressions. (statistics, optimization, symbolic)

Exp=ReconstructExp(Mainterms)

Mainterms=UpdatebyMatch(Mainterms,termA,termB,var)

TF=notin(k,varidx)

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updated almost 6 years ago

SYMBMATMAKE by Richard Hindmarsh

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

symbmatmake.m

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updated 6 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 6 years ago

improved coeffsort by Balavelan Thanigaivelan

sorts coefficients of single variable polynomial (symbolic, coefficients, polynomial)

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updated 7 years ago

Symbolic Hessian Evaluator by Brad Ridder

For a symbolic input function f, returns the symbolic Hessian matrix. A real time saver imho -_- (optimization, hessian, matrix)

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updated 8 years ago

Symbolic form of Chebisev polinomial by Árpád Tóth

This function returns the symbolic form of Chebisev polinomials. (approximation, interpolation, chebisev)

chebisev.m

chebisevonec.m

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updated 8 years ago

Latex Figure Output by Brent Lewis

Brent Lewis (view profile)

Given a value, array, equation or array of equations. This program will output to a figure of desir (symbolic math, latex figure, array)

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updated 9 years ago

Widely Used Programming Environments in Electrical Engineering: MATLAB by Lorand Szabo

This book was written to help electrical engineers to use MATLAB for computations and visualization. (matlab, matrix operations, 2d)

cond_front=ffront(ya,yb)

f=def_funct(t,t1,a1,t2,a2,a3)

t=sincos(x,y)

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updated 10 years ago

coeffsort by Star Strider

Reformats coeffs output to conform to MATLAB conventions for polynomial expression and evaluation. (symbolic, coeffs, polynomials)

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updated 10 years ago

DIRDIFF by Mukhtar Ullah

Mukhtar Ullah (view profile)

Directional derivative (symbolic math, directional derivativ..., symbolic)

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updated 10 years ago

SYMBMAT by Mukhtar Ullah

Mukhtar Ullah (view profile)

subscripted symbolic matrix (SYMBMATMAKE vectorized) (symbolic math, symbolic, vector)

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updated 10 years ago

GeneralizedLucas.m by David Terr

David Terr (view profile)

GeneralizedLucas(n,a,b) returns the generalized Lucas number with index n and parameters a and b. (symbolic math, lucas number, generalized lucas num...)

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updated 10 years ago

Sym2Polys by Paul Godfrey

Paul Godfrey (view profile)

Symbolic version of the sym2poly function. (symbolic math, poly2sym, polynomial)

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updated 11 years ago

SYMPOLY2SYM by Tim Farajian

Tim Farajian (view profile)

Similar to poly2sym but can handle symbolic coefficients and indeterminate variables. (symbolic math, sym, symbolic)

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updated 18 years ago

routh.m by Edmundo Rivera-Santos

Returns the symbolic Routh array given a polynomial. (symbolic math, routn, symbolic)

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