<div dir="ltr"><div><div>Hi all again,<br><br></div>I tried to find mass fraction of each temperature component, but I got inconsistent results as below:<br><br>==<br><br><div style class=""><pre><span class="">dd</span>=<span class="">pf</span>.<span class="">all_data</span>()</pre>
<pre> </pre><pre><span class="">hot</span>=<span class="">dd</span>.<span class="">cut_region</span>([<span class="">"obj['temperature'] >= 1.e4"</span>])</pre><pre><span class="">wnm</span>=<span class="">dd</span>.<span class="">cut_region</span>([<span class="">"obj['temperature'] < 1.e4"</span>])</pre>
<pre> </pre><pre><span class="">print</span> <span class="">dd</span>.<span class="">quantities</span>.<span class="">total_mass</span><span class="">(</span><span class="">)</span></pre><pre><span class="">print</span> <span class="">wnm</span>.<span class="">quantities</span>.<span class="">total_mass</span>()<span class="">+</span><span class="">hot</span>.<span class="">quantities</span>.<span class="">total_mass</span>()</pre>
<pre> </pre></div><div style class=""><div class=""><div class=""><pre>2.88677799841e+38 g
2.91575727709e+38 g
</pre></div></div></div>==<br><br></div><div>I can't understand why those two are different. Have any idea?<br><br>Chang-Goo<br></div><br></div>