chapter 3 interpolation and polynomial approximation
Post on 09-Jan-2016
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Chapter 3 Interpolation and Polynomial Approximation. 4.3 Lagrange Approximation. 1.3.1 Error Terms and Error Bounds. 1.3.2 Comparison of Accuracy and O(h N+1 ). function [C,L]=lagran(X,Y) w=length(X); n=w-1; L=zeros(w,w); for k=1:n+1 V=1; for j=1:n+1 if k~=j - PowerPoint PPT Presentation
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Chapter 3 Interpolation and Polynomial Approximation
4.3 Lagrange Approximation
1.3.1 Error Terms and Error Bounds
1.3.2 Comparison of Accuracy and O(hN+1)
function [C,L]=lagran(X,Y)w=length(X);n=w-1;L=zeros(w,w);for k=1:n+1 V=1; for j=1:n+1 if k~=j V=conv(V,poly(X(j)))/(X(k)-X(j)); end end L(k,:)=V;endC=Y*L;
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