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							- <span class="hljs-decorator">@meta</span>
 
- <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">C</span>:</span>
 
- <span class="hljs-decorator">    @decorator</span>
 
-     <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">f</span><span class="hljs-params">(self, H, V, beta, r)</span>:</span>
 
-         S = (H @ beta - r).T @ inv(H @ V @ H.T) @ (H @ beta - r)
 
-         <span class="hljs-keyword">return</span> S
 
 
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