oint <code>Tensor</code> representing desired
acceptance probability. Must be a positive number less than 1. This can
either be a scalar, or have shape <code><a href='https://rdrr.io/r/base/list.html'>list(num_chains)</a></code>. Default value: <code>0.75</code>
(the center of asymptotically optimal rate for HMC).</p></td>
    </tr>
    <tr>
      <th>adaptation_rate</th>
      <td><p><code>Tensor</code> representing amount to scale the current
<code>step_size</code>.</p></td>
    </tr>
    <tr>
      <th>s