Add docs from pypose/pypose

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Diff for: docs/preview/pr/363/_modules/pypose/module/dynamics/index.html

@@ -453,7 +453,7 @@ <h1>Source code for pypose.module.dynamics</h1><div class="highlight"><pre>
 <span class="sd">        Returns:</span>
 <span class="sd">            ``Tensor``: The state the system in next time step.</span>
 <span class="sd">        &#39;&#39;&#39;</span>
-        <span class="n">z</span> <span class="o">=</span> <span class="n">bmv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">A</span><span class="p">,</span> <span class="n">state</span><span class="p">)</span> <span class="o">+</span> <span class="n">bmv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">B</span><span class="p">,</span> <span class="nb">input</span><span class="p">)</span>
+        <span class="n">z</span> <span class="o">=</span> <span class="n">bmv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">A</span><span class="p">,</span> <span class="n">state</span><span class="o">.</span><span class="n">clone</span><span class="p">())</span> <span class="o">+</span> <span class="n">bmv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">B</span><span class="p">,</span> <span class="nb">input</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">z</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">c1</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">z</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">c1</span></div>
 
 <div class="viewcode-block" id="LTI.observation"><a class="viewcode-back" href="../../../../generated/pypose.module.LTI/#pypose.module.LTI.observation">[docs]</a>    <span class="k">def</span><span class="w"> </span><span class="nf">observation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">state</span><span class="p">,</span> <span class="nb">input</span><span class="p">):</span>