 starting parameters, relative SL50 (SL50/Linf), deltaSL (SL95-SL50)/Linf, and F/M (in log space)</p></td>
    </tr>
    <tr>
      <th>LMids</th>
      <td><p>a vector of the midpoints of the length classes</p></td>
    </tr>
    <tr>
      <th>LBins</th>
      <td><p>a vector of length classes</p></td>
    </tr>
    <tr>
      <th>LDat</th>
      <td><p>a vector of lenght frequencies. Must be same length as LMids</p></td>
    </tr>
    <tr>
      <th>gtgLinfs</th>
      <td><p>a vector of Linfs for the gr