擅长:python、mysql、java
<p>这就是你要找的吗?</p>
<pre><code>import numpy as np
x[~np.array(mask)]
# array([[1, 2],
# [2, 3]])
</code></pre>
<p>或来自<a href="http://docs.scipy.org/doc/numpy/reference/maskedarray.baseclass.html#numpy.ma.MaskedArray.mask" rel="noreferrer">numpy masked array</a>:</p>
<pre><code>newX = np.ma.array(x, mask = np.column_stack((mask, mask)))
newX
# masked_array(data =
# [[1 2]
# [2 3]
# [-- --]],
# mask =
# [[False False]
# [False False]
# [ True True]],
# fill_value = 999999)
</code></pre>