Note possible improvement

nansencenter · Feb 27, 2024 · a21509a · a21509a
1 parent ca79140
commit a21509a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/dapper/tools/liveplotting.py b/dapper/tools/liveplotting.py
@@ -658,6 +658,9 @@ def circulant_ACF(C, do_abs=False):
     """Compute the auto-covariance-function corresponding to `C`.
 
     This assumes it is the cov/corr matrix of a 1D periodic domain.
+
+    Vectorized or FFT implementations are
+    [possible](https://stackoverflow.com/questions/20360675).
     """
     M = len(C)
     # cols = np.flipud(sla.circulant(np.arange(M)[::-1]))