et(h,<span class="string">'FaceColor'</span>,<span class="string">'none'</span>);
h = bar(hist1,freq1);
set(h,<span class="string">'FaceColor'</span>,<span class="string">'none'</span>);

xlabel(<span class="string">'||(A0 + u1*A1 + u2*A2)*x - b||_2'</span>)
ylabel(<span class="string">'Frequency'</span>)
hold <span class="string">off</span>
</pre>
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<div id="plotoutput">
<img src="wcrobls__01.png" alt=""> 
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