Merge pull request matplotlib#19071 from has2k1/imshow-interpolation

DOC: Add 'blackman' to list of imshow interpolations

Author: jklymak

lib/matplotlib/axes/_axes.py

@@ -5298,7 +5298,7 @@ def imshow(self, X, cmap=None, norm=None, aspect=None,
             Supported values are 'none', 'antialiased', 'nearest', 'bilinear',
             'bicubic', 'spline16', 'spline36', 'hanning', 'hamming', 'hermite',
             'kaiser', 'quadric', 'catrom', 'gaussian', 'bessel', 'mitchell',
-            'sinc', 'lanczos'.
+            'sinc', 'lanczos', 'blackman'.
 
             If *interpolation* is 'none', then no interpolation is performed
             on the Agg, ps, pdf and svg backends. Other backends will fall back

lib/matplotlib/image.py

@@ -855,7 +855,7 @@ class AxesImage(_ImageBase):
         Supported values are 'none', 'antialiased', 'nearest', 'bilinear',
         'bicubic', 'spline16', 'spline36', 'hanning', 'hamming', 'hermite',
         'kaiser', 'quadric', 'catrom', 'gaussian', 'bessel', 'mitchell',
-        'sinc', 'lanczos'.
+        'sinc', 'lanczos', 'blackman'.
     origin : {'upper', 'lower'}, default: :rc:`image.origin`
         Place the [0, 0] index of the array in the upper left or lower left
         corner of the axes. The convention 'upper' is typically used for