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updated 1 month 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 2 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 5 months 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 6 months 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 12 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

invSym by Stephen

invert symbolic nxn matrix (inverse, symbolic, mupad)

invSym(M)

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updated 1 year ago

SymPy CAS in MATLAB by Jonathan Lister

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

symeval(sympy_fun,fstr,varargin)

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updated 1 year ago

MAXIMA CAS in MATLAB by Jonathan Lister

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

maxima(str2eval)

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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

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

Equations of motion to state space by michael arant

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 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)

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 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

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

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 almost 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 almost 3 years ago

Convert inline to symbolic by Héctor Corte

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 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

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

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 5 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 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

improved coeffsort by Balavelan Thanigaivelan

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

coeffsort.m

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updated 6 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)

hessian(f,varlist)

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updated 7 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 7 years ago

Latex Figure Output by Brent Lewis

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

latex_figure(A,digit,windowsize)

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updated almost 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 9 years ago

coeffsort by Star Strider

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

coeffsort.m

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updated 9 years ago

DIRDIFF by Mukhtar Ullah

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

dirdiff(X,f,p)

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updated almost 10 years ago

SYMBMAT by Mukhtar Ullah

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

symbmat(ch,m,n)

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updated almost 10 years ago

GeneralizedLucas.m by David Terr

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

GeneralizedLucas(n,a,b)

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updated almost 10 years ago

Sym2Polys by Paul Godfrey

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

sym2polys(s,x)

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updated almost 11 years ago

SYMPOLY2SYM by Tim Farajian

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

SymPoly2Sym(F,Dexp,MaxCtr)

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updated 17 years ago

routh.m by Edmundo Rivera-Santos

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

RA=routh(poli,epsilon);

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