diff --git a/README.html b/README.html index 19ccbc8..0ad54c6 100644 --- a/README.html +++ b/README.html @@ -116,12 +116,18 @@ python -c "import numpy; numpy.info(num print(m) -

  • Create a 2d array with 1 on the border and 0 inside (★☆☆)

    +

  • Create a 2d array with 1 on the border and 0 inside (★☆☆)

     Z = np.ones((10,10))
 Z[1:-1,1:-1] = 0
    • +

  • How to add a border (filled with 0's) around an existing array ? (★☆☆)

    +
    +Z = np.ones((5,5))
+Z = np.pad(Z, pad_width=1, mode='constant', constant_values=0)
+
    +

  • What is the result of the following expression? (★☆☆)

     0 * np.nan
diff --git a/README.rst b/README.rst
index d5ef71a..9b30529 100644
--- a/README.rst
+++ b/README.rst
@@ -141,14 +141,20 @@ Thanks to Michiaki Ariga, there is now a
       print(m)
 
       
-#. Create a 2d array with 1 on the border and 0 inside  (★☆☆) 
+#. Create a 2d array with 1 on the border and 0 inside (★☆☆) 
 
    .. code-block:: python
 
       Z = np.ones((10,10))
       Z[1:-1,1:-1] = 0
 
-                   
+#. How to add a border (filled with 0's) around an existing array ? (★☆☆)
+   
+   .. code-block:: python
+
+      Z = np.ones((5,5))
+      Z = np.pad(Z, pad_width=1, mode='constant', constant_values=0)
+
 #. What is the result of the following expression? (★☆☆)
 
    .. code-block:: python