4.2.3_8.2_annotation_xml.cellml

<?xml version="1.0" encoding="UTF-8"?>
<!-- CellML Test Suite. https://github.com/MichaelClerx/cellml-validation -->
<!-- CellML 1.0, 4.2.3: The MathML "CellML subset"
MathML can be wrapped in a <semantics> element, with <annotation-xml> to define
xml-based annotation.
This example is adapted from the spec. -->
<model name="mathml_annotation_xml"
       xmlns="http://www.cellml.org/cellml/1.0#"
       xmlns:cellml="http://www.cellml.org/cellml/1.0#">
  <component name="potassium_channel_n_gate">
    <units name="per_millisecond">
      <unit prefix="milli" units="second" exponent="-1" />
    </units>
    <units name="millivolt">
      <unit prefix="milli" units="volt" />
    </units>
    <units name="per_millivolt">
      <unit prefix="milli" units="volt" exponent="-1" />
    </units>
    <variable name="alpha_n" units="per_millisecond" />
    <variable name="V" units="millivolt" initial_value="0" />
    <math xmlns="http://www.w3.org/1998/Math/MathML">
      <semantics>
        <apply id="alpha_n_calculation">
          <eq />
          <ci> alpha_n </ci>
          <apply>
            <times />
            <cn cellml:units="per_millisecond"> 1.0 </cn>
            <apply>
              <divide />
              <apply>
                <times />
                <cn cellml:units="per_millivolt"> 0.01 </cn>
                <apply>
                  <plus />
                  <ci> V </ci>
                  <cn cellml:units="millivolt"> 10.0 </cn>
                </apply>
              </apply>
              <apply>
                <minus />
                <apply>
                  <exp />
                  <apply>
                    <times />
                    <cn cellml:units="per_millivolt"> 0.1 </cn>
                    <apply>
                      <plus />
                      <ci> V </ci>
                      <cn cellml:units="millivolt"> 10.0 </cn>
                    </apply>
                  </apply>
                </apply>
                <cn cellml:units="dimensionless"> 1.0 </cn>
              </apply>
            </apply>
          </apply>
        </apply>
        <annotation-xml encoding="MathML-Presentation">
          <mrow>
            <mi> alpha_n </mi>
            <mo> = </mo>
            <mn> 1.0 </mn>
            <mfrac>
              <mrow>
                <mn> 0.01 </mn>
                <mo> ( </mo>
                <mi> V </mi>
                <mo> + </mo>
                <mn> 10.0 </mn>
                <mo> ) </mo>
              </mrow>
              <mrow>
                <mo>exp</mo>
                <mo> ( </mo>
                <mn> 0.1 </mn>
                <mo> ( </mo>
                <mi> V </mi>
                <mo> + </mo>
                <mn> 10.0 </mn>
                <mo> ) </mo>
                <mo> ) </mo>
                <mo> - </mo>
                <mn> 1.0 </mn>
              </mrow>
            </mfrac>
          </mrow>
        </annotation-xml>
      </semantics>
    </math>
  </component>
</model>