h)</p></dd>


<dt>xamp</dt>
<dd><p>[ngauss] array of initial amplitudes (*not* [1,ngauss])</p></dd>


<dt>xmean</dt>
<dd><p>[ngauss,dx] matrix of initial means</p></dd>


<dt>xcovar</dt>
<dd><p>[ngauss,dx,dx] list of matrices of initial covariances</p></dd>


<dt>projection</dt>
<dd><p>[ndata,dy,dx] list of projection matrices</p></dd>


<dt>weight</dt>
<dd><p>[ndata] array of weights to be applied to the data points</p></dd>


<dt>fixamp</dt>
<dd><p>(default=None) None, True/False, or list of bools</p></dd