擅长:python、mysql、java
<p>从文档(<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html" rel="nofollow noreferrer">numpy.reshape</a>):</p>
<blockquote>
<p>This will be a new view object if possible; otherwise, it will be a
copy. Note there is no guarantee of the memory layout (C- or Fortran-
contiguous) of the returned array.</p>
</blockquote>
<p>与<code>arr = arr / 10</code>相反,它确实创建一个拷贝并重新分配它。你知道吗</p>
<p>显然,离开范围时会丢失一个视图。。。你知道吗</p>