if"
 style="width: 309px; height: 314px;"><br>
      </td>
      <td colspan="2" rowspan="1"
 style="vertical-align: top; text-align: center; font-family: arial; font-weight: bold;">generalized
inverse<br>
      </td>
    </tr>
    <tr>
      <td
 style="vertical-align: top; text-align: center; font-family: arial;">&#969;</td>
      <td style="vertical-align: top;">free (power) model<br>
      </td>
    </tr>
    <tr>
      <td
 style="vertical-align: top; text-align: center; font-family: arial;">&#965;</td