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Polynomial software
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Polynomial

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Added: April 19, 2010 | Visits: 819

Math::Polynomial::Solve Math::Polynomial::Solve is a Perl module to find the roots of polynomial equations. SYNOPSIS use Math::Complex; # The roots may be complex numbers. use Math::Polynomial::Solve qw(poly_roots); my @x = poly_roots(@coefficients); or use Math::Complex; # The roots may be complex numbers.... Platforms: *nix

License: Freeware Size: 15.36 KB Download (94): Math::Polynomial::Solve Download

Added: July 15, 2013 | Visits: 349

Matrix Polynomial Fraction These functions show some advances about MPF (Matrix Polynomial Fraction) using for represent multivariable models and design multivariable control system. Platforms: Matlab

License: Freeware Size: 419.84 KB Download (18): Matrix Polynomial Fraction Download

Added: April 21, 2013 | Visits: 179

Polynomial Composition POLYCOMP Polynomial compositionR = POLYCOMP(P,Q) returns the composition of Q(P(x)) given polynomials P and Q with coefficients in descending order. If Q is a scalar, with value N, it assumes shorthand notation for Q(x)=x^N. Output is a polynomial with coefficients in descending order. Example:%... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Polynomial Composition Download

Released: June 12, 2015  |  Added: June 16, 2015 | Visits: 3.217

Data Curve Fit Creator Add-in Data Curve Fit Creator Add-in is an easy-to-use data analysis add-in for Microsoft Excel. It adds curve fitting, interpolation, and data smoothing functions to Excel. Curve fitting functions include polynomial fits and a versatile local regression (loess) function. Interpolations include... Platforms: Windows, Windows 8, Windows 7, Windows Server, Other

License: Shareware Cost: $79.95 USD Size: 5.68 MB Download (271): Data Curve Fit Creator Add-in Download

Added: September 07, 2013 | Visits: 260

Multiple-root polynomial solved by partial fraction expansion A given polynomial p(x) is transformed into a rational function r(x). The poles and residues of the derived rational function are found to be equivalent to the roots and multiplicities of the original polynomial. p(x) = Given polynomial = PROD[k=1:K]{(x - z_k)^m_k} d(x) = (d/dx)p(x) g(x) =... Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Multiple-root polynomial solved by partial fraction expansion Download

Added: July 17, 2013 | Visits: 322

3D Least squares polynomial fit in x and y Often, measured data is comprised of N sampled values of z, evaluated at N locations (x,y). With this function, you can calculate the coefficients of the best-fit x,y polynomial using a linear least squares approximation.You can use this function if you have a set of N data triplets x,y,z, and... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (20): 3D Least squares polynomial fit in x and y Download

Added: April 10, 2013 | Visits: 313

Routh-Hurwitz stability criterion Routh-Hurwitz stability criterion identifies the conditions when the poles of a polynomial cross into the righthand half plane and hence would be considered as unstable in control engineering. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Routh-Hurwitz stability criterion Download

Added: June 11, 2013 | Visits: 214

Faddeev-Leverrier Algorithm The code implements the so called Faddeev-Leverrier algorithm to compute the coefficients of the characteristic polynomial of a given matrix and to get the inverse of the matrix without extra cost. Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (21): Faddeev-Leverrier Algorithm Download

Added: April 25, 2013 | Visits: 231

Routh Hurwitz array Given the coefficients of the characteristic polynomial the Routh-Hurwitz array is created and printed. Additionally, this method shows some results from the array relating to the stability of the system. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Routh Hurwitz array Download

Added: June 24, 2013 | Visits: 205

Routh Hurwitz Criteria using user defined Function RA=ROUTH(R,EPSILON) returns the symbolic Routh array RA for polynomial. The following special cases are considered:1) If the first element of a row becomes zero OR2) If one encounters a row full of zeros.>>syms ep>>a=routh([1 1 2 2 3 5],ep)The above given case is for encountering a zero in the... Platforms: Matlab

License: Freeware Size: 10 KB Download (20): Routh Hurwitz Criteria using user defined Function Download

Added: April 03, 2013 | Visits: 222

Integer Partitions via Universal Lexicons DIRECTORIES:- SMALLPART/smallpart.mclusterindex.m- PARTITIONS/partition.mcluster.mBLLSG.mBoth are based on the Cluster Polynomial Representation of binary words of arbitrary length. The theory of Universal Lexicons is covered in the following Technical Report (submitted in J. App. Comp.... Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Integer Partitions via Universal Lexicons Download

Added: June 01, 2013 | Visits: 209

Generalized Laguerre polynomial LaguerreGen calculates the generalized Laguerre polynomial L{n, alpha}This function computes the generalized Laguerre polynomial L{n,alpha}.If no alpha is supplied, alpha is set to zero and this function calculates the "normal" Laguerre polynomial.Input: - n = nonnegative integer as degree level... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Generalized Laguerre polynomial Download

Added: May 27, 2013 | Visits: 235

Gauss-Laguerre One function produces the Laguerre polynomial and the other integrates Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (19): Gauss-Laguerre Download

Added: August 31, 2013 | Visits: 242

Polynomial division by convolution -- up to finite terms Polynomial division by convolution.Calculate inverse Z-transform -- (Polynomial division) - Up to K terms, q(z) = b(z)/a(z),where b(z)=b(0)+...+b(k)/z^k +...+b(n)/z^n. a(z)=a(0)+...+a(k)/z^k +...+a(m)/z^m. q(z)=q(0)+...+q(k)/z^k +...+q(K)/z^K + ......If coefficients of b(x) and a(x) are all... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Polynomial division by convolution -- up to finite terms Download

Added: May 12, 2013 | Visits: 199

Polynomial Square Root It returns a vector POL, if it exists, such that conv(POL,POL) = P. P is a vector whose elements are the coefficients of a polynomial in descending powers Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Polynomial Square Root Download

Added: May 14, 2013 | Visits: 321

Best polynomial approximation in uniform norm For a given real-valued function of one real variable on an interval, the code calculates the best approximation in the uniform (max) norm by a polynomial of a given degree. Approximating in a uniform norm is much computationally harder compared to the standard least squares fit, but gives eye... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Best polynomial approximation in uniform norm Download

Added: August 17, 2013 | Visits: 234

Lagrange polynomial % Polynomial Interpolation Problem: Lagrange Form% x and y are vectors with the same dimensions% Given n points: (x_k,y_k) k = 1,2,...n% this function finds a polynomial P(x) of degree less% than n such that P(x_k) = y_k% --% Remarks:% The resulting polynomial is displayed in symbolic notation%... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 51.2 KB Download (20): Lagrange polynomial Download

Added: August 30, 2013 | Visits: 199

The polynomial regression method This code implements the 1D polynomial regression method. It uses the least square method for the finding of regression polynomial coefficents. Outputs of the script are polynomial regression coefficients, residuals, the sum of squared errors, the determination index and the graphical comparison... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): The polynomial regression method Download

Added: July 29, 2013 | Visits: 209

Polynomial Factorization POLYFACT Polynomial FactorizationQ = POLYFACT(A) returns the factorization of polynomial A. Input variable A must be a vector with integer coefficients in descending order. e.g. [3 7 2] represents 3*x^2+7x+2 Output Q is a cell array with each index being a polynomial factor, with integer... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Polynomial Factorization Download

Added: March 22, 2013 | Visits: 204

Extrimely fast general n-dimensional interpolators This interpolation package re-implements Matlab's built in methods ppval (1-d case polynomial evaluator) and ppual (multidimensional polynomial evaluator) which are used by Matlab to evaluate polynomial in their so called "pp-form". Matlab's built in versions are extrimely slow even though... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 40.96 KB Download (18): Extrimely fast general n-dimensional interpolators Download

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