interpolation of data 2 vectors

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David Lopez 2012-5-15

hi i have trouble interpolate

Y=1945 1946 1947 1948 1949 1950 1951 1952 1953

L=6937 6976 6987 7015 9999 9999 6921 6958 6936

how I can interpolate these values of the year 1949 and 1950? and replace it in the L values. I know is a "for" but i dont know how implement it

Walter Roberson 2012-5-15

Remove the points with bad data . interp1() the points back in

interp1(Y2, L2, [1949 1950])

David Lopez 2012-5-15

thanks but how is the sintaxis for bad data?

Walter Roberson 2012-5-15

is_bad = (L == 9999);

Lfixed = L;

Lfixed(is_bad) = interp1( Y(~is_bad), L(~is_bad), Y(is_bad) );

MATLAB Mathematics Interpolation

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