Polynomial Interpolation
This programs gives solution of 2nd order differential equation with variable coefficients by Rayleigh Ritz method using linear interpolation
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (41): Solution of 2nd order differential equation by rayleigh ritz method Download |
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 (45): Faddeev-Leverrier Algorithm Download |
Determinantal matrix representations of hyperbolic polynomials are a current topic of interest and research among those working with LMI's (Linear Matrix Inequalities) and SDP (semi-definite programming). This toolbox was used to demonstrate some of the theorems presented in the author's Ph.D....
Platforms: Matlab
License: Freeware | Size: 409.6 KB | Download (39): Hyperbolic Polynomial Toolbox (HPT) Download |
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 (40): Routh Hurwitz array Download |
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 (41): Routh Hurwitz Criteria using user defined Function Download |
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 (39): Integer Partitions via Universal Lexicons Download |
For given p(x) = PROD[i=1,m]{SUM[j=2,n+2]{(A(i,j)*x^(j-2))^A(i,1)}} we shall get p(x) = SUM[s=1,N+1]{p(s)^(N+1-s)} For example If p(x) = (x-4)^5 * (3x^6-7x^3+5x+2)^2 * (x^3+8)^3 * x^2 or A = [ 5 -4 1 0 0 0 0 0 2 2 5 0 -7 0 0 3 3 8 0 0 1 0 0 0 1 0 0 1 0 0 0 0 ] then from p = polyget(A) we get p =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Polynomial coefficient vector derived from sub-polynomial factors Download |
The main file interpMatrix.m in this package creates a sparse Toeplitz-like matrix representing a regularly-spaced interpolation operation between a set of control points. The user can specify the interpolation kernel, the number of control points, the spacing between the control points, and...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Regular Control Point Interpolation Matrix with Boundary Conditions Download |
One function produces the Laguerre polynomial and the other integrates
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (41): Gauss-Laguerre Download |
Demonstrates the use of thin plate splines based warping for temporal interpolation.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 2.22 MB | Download (39): Warping Using Thin Plate Splines Download |
The two inputs X and Y are vectors defining a set of N points. The function uses Lagrange's method to find the N-1th order polynomial that passes through all these points, and returns in P the N coefficients defining that polynomial. Then, polyval(P,X) = Y.R returns the x co-ordinates of the N-1...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 20.48 KB | Download (39): Lagrange Interpolator Polynomial Download |
QUADCC is a robust, doubly-adaptive quadrature routine using Clenshaw-Curtis rules.This is a Matlab implementation of "Algorithm 3" as described in "Increasing the Reliability of Adaptive Quadrature Using Explicit Interpolants", P. Gonnet, ACM Transactions on Mathematical Software, 37 (3), art....
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (38): QUADCC Download |
Plots data points and first through sixth degree polynomials. Displays polynomial coefficients and r-squared values in command window. Allows user to choose range. Also allows user to remove trendlines that don't appear to fit.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Polynomial Trendlines Download |
cara menentukan interpolasi linier dengan matlabhow to determine the linear interpolation with matlab
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 1024 KB | Download (39): interpolasi Download |
% function ynew=smoothdiff(dados,xnew,sdx,q,nmin)%% This function smoothes and differentiates a sequence of numbers based on% an algorithm similar to Savistky and Golay. There are no restrictions% however, on the number of points or on their spacing.% This function also calculates the first...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Smoooth and Differentiate Download |
(1) bezierInterp.m-------------------A function for Bezier interpolation for given fourcontrol points. Each control point can be in N-Dimensional vector space. Optionally a vector t can be pass then bezier curve would be evaluated at values stored in vector t. By default bezier curve would be...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Bezier Interpolation in N-Dimension Space Download |
A simple m file for the triangle mesh subdivision using linear interpolation. The zip file includes four examples of subdivision.See also the URL:http://www.mathworks.com.au/matlabcentral/fileexchange/24942
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 245.76 KB | Download (40): Linear Subdivision Download |
DDA algorithm uses fast interpolation and rounding method to implement rasterization of lines, triangle and polygons. This technique has been used here to produce a straight line.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): Line drawing by DDA Download |
polyfitweighted2.m and polyval2.m---------polyfitweighted2.m: Find a least-squares fit of 2D data z(x,y) with an n th order polynomial, weighted by w(x,y).polyval2.m: Evaluate 2D polynomial produced by polyfitweighted2.m.Usage polyfitweighted2-----P = polyfitweighted2(X,Y,Z,N,W) finds the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 20.48 KB | Download (43): 2D Weighted Polynomial Fitting and Evaluation Download |
SurGe is a computer program which enables to generate surface as an interpolation (approximation) function of two independent variables.
The program has the following basic features:
> Implements an interpolation / approximation method called ABOS.
> Basic input is a simple ASCII file...
Platforms: Windows, Windows 7
License: Shareware | Cost: $20.00 USD | Size: 2.96 MB | Download (93): SurGe Download |