I’ve calculated the
NDVI on a
Sentinel-2 optical image (
L2A) using both the
Band math operator (
(B8 - B4) / (B8 + B4)) and the operator found under the
Optical menu in `SNAP.
But there were a slight differences in the results in certain areas (I’ve compared these results simple using a the difference operator with
I’m wondering which one I should use? and whether those very small differences are just due to the precision employed (number of decimals in the intensity)?