matplotlib · ksunden · Aug 31, 2023 · Aug 31, 2023
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -3674,7 +3674,7 @@ def apply_mask(arrays, mask):
             #     elow, ehigh = np.broadcast_to(...)
             #     return dep - elow * ~lolims, dep + ehigh * ~uplims
             # except that broadcast_to would strip units.
-            low, high = dep + np.row_stack([-(1 - lolims), 1 - uplims]) * err
+            low, high = dep + np.vstack([-(1 - lolims), 1 - uplims]) * err
             barcols.append(lines_func(
                 *apply_mask([indep, low, high], everymask), **eb_lines_style))
             if self.name == "polar" and dep_axis == "x":
@@ -5482,8 +5482,8 @@ def get_interp_point(idx):
         collection = mcoll.PolyCollection(polys, **kwargs)
 
         # now update the datalim and autoscale
-        pts = np.row_stack([np.column_stack([ind[where], dep1[where]]),
-                            np.column_stack([ind[where], dep2[where]])])
+        pts = np.vstack([np.hstack([ind[where, None], dep1[where, None]]),
+                         np.hstack([ind[where, None], dep2[where, None]])])
         if ind_dir == "y":
             pts = pts[:, ::-1]
 

diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
@@ -2410,7 +2410,7 @@ def _update_patch_limits(self, patch):
             vertices.append(curve([0, *dzeros, 1]))
 
         if len(vertices):
-            vertices = np.row_stack(vertices)
+            vertices = np.vstack(vertices)
 
         patch_trf = patch.get_transform()
         updatex, updatey = patch_trf.contains_branch_seperately(self.transData)

diff --git a/lib/matplotlib/contour.py b/lib/matplotlib/contour.py
@@ -511,13 +511,13 @@ def calc_label_rot_and_inline(self, slc, ind, lw, lc=None, spacing=5):
             if closed:
                 # This will remove contour if shorter than label
                 if all(i != -1 for i in I):
-                    nlc.append(np.row_stack([xy2, lc[I[1]:I[0]+1], xy1]))
+                    nlc.append(np.vstack([xy2, lc[I[1]:I[0]+1], xy1]))
             else:
                 # These will remove pieces of contour if they have length zero
                 if I[0] != -1:
-                    nlc.append(np.row_stack([lc[:I[0]+1], xy1]))
+                    nlc.append(np.vstack([lc[:I[0]+1], xy1]))
                 if I[1] != -1:
-                    nlc.append(np.row_stack([xy2, lc[I[1]:]]))
+                    nlc.append(np.vstack([xy2, lc[I[1]:]]))
 
             # The current implementation removes contours completely
             # covered by labels.  Uncomment line below to keep

diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
@@ -121,7 +121,7 @@ def transform_path_non_affine(self, path):
                         codes.extend(arc.codes[1:])
                 else:  # Interpolate.
                     trs = cbook.simple_linear_interpolation(
-                        np.row_stack([(last_t, last_r), trs]),
+                        np.vstack([(last_t, last_r), trs]),
                         path._interpolation_steps)[1:]
                     xys.extend(self.transform_non_affine(trs))
                     codes.extend([Path.LINETO] * len(trs))

diff --git a/lib/matplotlib/stackplot.py b/lib/matplotlib/stackplot.py
@@ -68,7 +68,7 @@ def stackplot(axes, x, *args,
         stacked area plot.
     """
 
-    y = np.row_stack(args)
+    y = np.vstack(args)
 
     labels = iter(labels)
     if colors is not None:

diff --git a/lib/matplotlib/tests/test_triangulation.py b/lib/matplotlib/tests/test_triangulation.py
@@ -1035,7 +1035,7 @@ def test_trirefine():
     x_verif, y_verif = np.meshgrid(x_verif, x_verif)
     x_verif = x_verif.ravel()
     y_verif = y_verif.ravel()
-    ind1d = np.in1d(np.around(x_verif*(2.5+y_verif), 8),
+    ind1d = np.isin(np.around(x_verif*(2.5+y_verif), 8),
                     np.around(x_refi*(2.5+y_refi), 8))
     assert_array_equal(ind1d, True)
 

diff --git a/lib/mpl_toolkits/mplot3d/art3d.py b/lib/mpl_toolkits/mplot3d/art3d.py
@@ -942,8 +942,8 @@ def set_zsort(self, zsort):
     def get_vector(self, segments3d):
         """Optimize points for projection."""
         if len(segments3d):
-            xs, ys, zs = np.row_stack(segments3d).T
-        else:  # row_stack can't stack zero arrays.
+            xs, ys, zs = np.vstack(segments3d).T
+        else:  # vstack can't stack zero arrays.
             xs, ys, zs = [], [], []
         ones = np.ones(len(xs))
         self._vec = np.array([xs, ys, zs, ones])