擅长:python、mysql、java
<p>如果查看以下源文件:</p>
<p><a href="https://github.com/scikit-learn/scikit-learn/blob/f0ab589f/sklearn/cluster/spectral.py#L259" rel="nofollow noreferrer">https://github.com/scikit-learn/scikit-learn/blob/f0ab589f/sklearn/cluster/spectral.py#L259</a></p>
<p>那么</p>
<p><a href="https://github.com/scikit-learn/scikit-learn/blob/f0ab589f/sklearn/manifold/spectral_embedding_.py#L308" rel="nofollow noreferrer">https://github.com/scikit-learn/scikit-learn/blob/f0ab589f/sklearn/manifold/spectral_embedding_.py#L308</a></p>
<p>最终可以看到计算特征值/向量的一种方法是</p>
<pre><code>lambdas, diffusion_map = eigh(laplacian)
</code></pre>
<p>这里,<code>eigh</code>引用源文件顶部提到的<a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.linalg.eigh.html" rel="nofollow noreferrer">^{<cd2>}</a>。在</p>