Remove mlab.center_matrix

dstansby · dstansby · commit a24346e71801 · 2018-09-19T18:00:07.000+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
@@ -14,4 +14,5 @@ in Matplotlib 2.2 has been removed. See below for a list:
 - `mlab.PCA`
 - `mlab.prctile` (use numpy.percentile instead)
 - `mlab.prctile_rank`
+- `mlab.center_matrix`
 - `mlab.donothing_callback`
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -1194,23 +1194,6 @@ def cohere(x, y, NFFT=256, Fs=2, detrend=detrend_none, window=window_hanning,
     return Cxy, f
 
 
-@cbook.deprecated('2.2')
-def center_matrix(M, dim=0):
-    """
-    Return the matrix *M* with each row having zero mean and unit std.
-
-    If *dim* = 1 operate on columns instead of rows.  (*dim* is
-    opposite to the numpy axis kwarg.)
-    """
-    M = np.asarray(M, float)
-    if dim:
-        M = (M - M.mean(axis=0)) / M.std(axis=0)
-    else:
-        M = (M - M.mean(axis=1)[:, np.newaxis])
-        M = M / M.std(axis=1)[:, np.newaxis]
-    return M
-
-
 @cbook.deprecated('2.2', 'scipy.integrate.ode')
 def rk4(derivs, y0, t):
     """
diff --git a/lib/matplotlib/pylab.py b/lib/matplotlib/pylab.py
@@ -230,7 +230,7 @@
 ## We are still importing too many things from mlab; more cleanup is needed.
 
 from matplotlib.mlab import (
-    amap, base_repr, binary_repr, bivariate_normal, center_matrix, csv2rec,
+    amap, base_repr, binary_repr, bivariate_normal, csv2rec,
     demean, detrend, detrend_linear, detrend_mean, detrend_none, dist,
     dist_point_to_segment, distances_along_curve, exp_safe,
     fftsurr, frange, get_sparse_matrix, get_xyz_where, griddata,
