
        </select>
      <br>
      &beta; = <select id="beta">
          <option value="0.6">0.6</option>
          <option value="0.8">0.8</option>
          <option selected value="1">1</option>
          <option value="1.2">1.2</option>
          <option value="1.4">1.4</option>
        </select>
      <br>
      &sigma; = <select id="sigma">
          <option value="2">2</option>
          <option value="3">3</option>
          <option selected value="4">4</option>
          <option value="5">5</option