Coefficient for Langrange Polynomial n=length(x); for k=1:n d(k)=1; for i=1:n If i~=k d(k)=d(k)*(x(k)-x(i)); end c(k)=y(k)/d(k); end end Evaluate Langrange Polynomial function p=LangrangeEval(t,x,c) m=length(x); for i=1:length(t) p(i)=0; for j=1:

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nickey
nickey 2013-5-11
Hello everyone. I need help for understanding this code. Thanks Coefficient for Langrange Polynomial n=length(x); for k=1:n d(k)=1; for i=1:n If i~=k d(k)=d(k)*(x(k)-x(i)); end c(k)=y(k)/d(k); end end
Evaluate Langrange Polynomial function p=LangrangeEval(t,x,c) m=length(x); for i=1:length(t) p(i)=0; for j=1:m; N(j)=1; for k=1:m; if(j~=k) N(j)=N(j)*(t(i)-x(k)); end end p(i)=p(i)+N(j)*c(j); end end

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