ambda.fixed</dt>
<dd><p>Fixed \(\lambda_x\) parameters. These must be provided by a matrix
with two columns: 1st column -- Parameter index, 2nd column:
Fixed value.</p></dd>

<dt>Xlambda.constr.V</dt>
<dd><p>A design matrix for linear restrictions of the
    form \(V_x \lambda_x=c_x\) for the \(\lambda_x\) parameter.</p></dd>

<dt>Xlambda.constr.c</dt>
<dd><p>A vector for the linear restriction
\(V_x \lambda_x=c_x\) of the \(\lambda_x\) parameter.</p></dd>

  <dt>delta.designmatrix</dt>
<dd><p>Design matrix