mble the original
line more closely, as if it had not been under-resolved. Hence
the profile from a filtered lsqfit may well be sharper than the
observed data, as this observed data will have been broadened by
the instrument function of the interferometer.<p>

<b>Note:</b><br> A detailed discussion of line <a
href="../tutorial/analyse_find.html">finding</a> and <a
href="../tutorial/analyse_fit.html">fitting</a> lines is given in the
<b>Xgremlin tutorial</b>. The tutorial also contains a section on
<a href="