擅长:python、mysql、java
<p>既然你有口述</p>
<pre><code>dox = {'abc': {'ef': 0.85, 'kl': 0.21, 'xyz': 0.923},'cldex': {'plax': 0.123, 'lion': -0.831}}
</code></pre>
<p>这将有助于您将其带到sparsematrix:</p>
^{pr2}$
<p>它利用scipy的<a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.sparse.csr_matrix.html" rel="nofollow noreferrer">example</a>进行增量矩阵构建。输出如下:</p>
<pre><code>mat.todense()
</code></pre>
<p><a href="https://i.stack.imgur.com/Fzn1x.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Fzn1x.png" alt="enter image description here"/></a></p>