tive above, weighted by some fixed,
positive <tt class="docutils literal"><span class="pre">lambda</span></tt>:</p>
<div class="highlight-none"><div class="highlight"><pre>minimize( sum_square( A * x - b ) + lambda * norm( x, 1 ) )
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</div>
<p>In this case, we typically do not care about the <em>specific</em> values of <tt class="docutils literal"><span class="pre">lambda</span></tt>; rather
we are varying it over a range to study the tradeoff between the residual of <tt class="docutils literal">