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- function P = mypolyfit(X,Y,N)
- %notera haer att N inte anvands utan vi far ut ett polynom med basta
- %mojliga grad.
- Y=Y';
- P = ones(1,length(X));
- A = zeros(length(X));
- for I = 0:length(P)-1;
- P(I+1)=I;
- end
- for I = 1:length(X);
- for J = 1:length(X);
- A(I,J) = X(I)^P(J); %Skapar matrisen enligt monombas approximation.
- end
- end
- P = flipud(A\Y)'; %Skickar ut varden som MATLABs egna polyfit goer. polyval evaluerar dessa.
- end
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