Remove mlab.rms_flat

dstansby · dstansby · commit 2821f1bc46b4 · 2018-09-29T11:05:09.000+01:00
diff --git a/doc/api/next_api_changes/2018-09-18-DS.rst b/doc/api/next_api_changes/2018-09-18-DS.rst
@@ -7,6 +7,7 @@ in Matplotlib 2.2 has been removed. See below for a list:
 - `mlab.exp_safe` (use numpy.exp instead)
 - `mlab.amap`
 - `mlab.logspace` (use numpy.logspace instead)
+- `mlab.rms_flat`
 - `mlab.cohere_pairs` (use scipy.signal.coherence instead)
 - `mlab.entropy` (use scipy.stats.entropy instead)
 - `mlab.normpdf` (use scipy.stats.norm.pdf instead)
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -1246,15 +1246,6 @@ def movavg(x, n):
 
 """
 
-
-@cbook.deprecated("2.2")
-def rms_flat(a):
-    """
-    Return the root mean square of all the elements of *a*, flattened out.
-    """
-    return np.sqrt(np.mean(np.abs(a) ** 2))
-
-
 @cbook.deprecated("2.2", alternative='numpy.linalg.norm(a, ord=1)')
 def l1norm(a):
     """
diff --git a/lib/matplotlib/pylab.py b/lib/matplotlib/pylab.py
@@ -234,7 +234,6 @@
     frange,
     identity, ispower2, isvector, l1norm,
     l2norm, log2, movavg, norm_flat,
-    rms_flat,
     window_hanning, window_none)
 
 from matplotlib import cbook, mlab, pyplot as plt
