;&gt;&gt; plt.figure(figsize=(4, 4))</span>
<span class="sd">        &gt;&gt;&gt; mu_vs_dt_plot(ans[&#39;dt_rel90&#39;], ans[&#39;mu_rel90&#39;], colors=&#39;b&#39;)</span>
<span class="sd">        &gt;&gt;&gt; mu_vs_dt_plot(ans[&#39;dt_rel0&#39;], ans[&#39;mu_rel0&#39;], colors=&#39;g&#39;)</span>
<span class="sd">        &gt;&gt;&gt; mu_vs_dt_plot(dt, dmu, colors=&#39;r&#39;)</span>
<span class="sd">        &gt;&gt;&gt; # Create proxy artists for legend</span>
<span class="sd">        &gt;&gt;&gt; proxy1 