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<section id="section-intro">
<p>calculation of stix transmission, taken from stixcore</p>
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<pre><code class="python">&#34;&#34;&#34;
  calculation of stix transmission, taken from stixcore
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from collections import OrderedDict
from functools import partial
from stixdcpy import instrument as ins
import astropy.units as u
import numpy as np
from astropy.table.table import Table
from roentgen.absorption.material impo