1.4 newton polynomial
DESCRIPTION
1.4 Newton Polynomial. 1.4.1 Nested Multiplication. function [C,D]=newpoly(X,Y) n=length(X); D=zeros(n,n); D(:,1)=Y'; for j=2:n for k=j:n D(k,j)=(D(k,j-1)-D(k-1,j-1))/(X(k)-X(k-j+1)); end end C=D(n,n); for k=(n-1):-1:1 C=conv(C,poly(X(k))); m=length(C); - PowerPoint PPT PresentationTRANSCRIPT
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1.4 Newton Polynomial1.4 Newton Polynomial
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1.4.1 Nested 1.4.1 Nested MultiplicationMultiplication
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function [C,D]=newpoly(X,Y)n=length(X);D=zeros(n,n);D(:,1)=Y';for j=2:n for k=j:n D(k,j)=(D(k,j-1)-D(k-1,j-1))/(X(k)-X(k-j+1)); endendC=D(n,n);for k=(n-1):-1:1 C=conv(C,poly(X(k))); m=length(C); C(m)=C(m)+D(k,k);end