MATLAB: Using “isfinite” to skip NAN data

isfinite

Best Answer

isvalid = isfinite(T3_All) & isfinite(Tmax_All);
coeff1 = polyfit(T3_All(isvalid),Tmax_All(isvalid),1)

You would recognize it is a mask, if your professor doesn't like it, ask why, because the mo mask solution is slower and less visible.

ikeep = find(isfinite(T3_All) & isfinite(Tmax_All));
coeff1 = polyfit(T3_All(ikeep),Tmax_All(ikeep),1)
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