DOC: Rewrite docstrings of `ogrid` and `mgrid`

Removed references to `nd_grid` instead of adding a document (gh-23612).

1 files changed, 13 insertions, 15 deletions

diff --git a/numpy/lib/index_tricks.py b/numpy/lib/index_tricks.py
index abf9e1090..e89bdbbc2 100644
--- a/numpy/lib/index_tricks.py
+++ b/numpy/lib/index_tricks.py
@@ -210,13 +210,13 @@ class nd_grid:
 
 class MGridClass(nd_grid):
     """
-    `nd_grid` instance which returns a dense multi-dimensional "meshgrid".
+    An instance which returns a dense multi-dimensional "meshgrid".
 
-    An instance of `numpy.lib.index_tricks.nd_grid` which returns an dense
-    (or fleshed out) mesh-grid when indexed, so that each returned argument
-    has the same shape.  The dimensions and number of the output arrays are
-    equal to the number of indexing dimensions.  If the step length is not a
-    complex number, then the stop is not inclusive.
+    An instance which returns a dense (or fleshed out) mesh-grid
+    when indexed, so that each returned argument has the same shape.
+    The dimensions and number of the output arrays are equal to the
+    number of indexing dimensions.  If the step length is not a complex
+    number, then the stop is not inclusive.
 
     However, if the step length is a **complex number** (e.g. 5j), then
     the integer part of its magnitude is interpreted as specifying the
@@ -229,8 +229,7 @@ class MGridClass(nd_grid):
 
     See Also
     --------
-    lib.index_tricks.nd_grid : class of `ogrid` and `mgrid` objects
-    ogrid : like mgrid but returns open (not fleshed out) mesh grids
+    ogrid : like `mgrid` but returns open (not fleshed out) mesh grids
     meshgrid: return coordinate matrices from coordinate vectors
     r_ : array concatenator
     :ref:`how-to-partition`
@@ -262,13 +261,13 @@ mgrid = MGridClass()
 
 class OGridClass(nd_grid):
     """
-    `nd_grid` instance which returns an open multi-dimensional "meshgrid".
+    An instance which returns an open multi-dimensional "meshgrid".
 
-    An instance of `numpy.lib.index_tricks.nd_grid` which returns an open
-    (i.e. not fleshed out) mesh-grid when indexed, so that only one dimension
-    of each returned array is greater than 1.  The dimension and number of the
-    output arrays are equal to the number of indexing dimensions.  If the step
-    length is not a complex number, then the stop is not inclusive.
+    An instance which returns an open (i.e. not fleshed out) mesh-grid
+    when indexed, so that only one dimension of each returned array is
+    greater than 1.  The dimension and number of the output arrays are
+    equal to the number of indexing dimensions.  If the step length is
+    not a complex number, then the stop is not inclusive.
 
     However, if the step length is a **complex number** (e.g. 5j), then
     the integer part of its magnitude is interpreted as specifying the
@@ -282,7 +281,6 @@ class OGridClass(nd_grid):
 
     See Also
     --------
-    np.lib.index_tricks.nd_grid : class of `ogrid` and `mgrid` objects
     mgrid : like `ogrid` but returns dense (or fleshed out) mesh grids
     meshgrid: return coordinate matrices from coordinate vectors
     r_ : array concatenator