5.2.7.unit_checking_derivatives_degree.cellml

<?xml version="1.0" encoding="UTF-8"?>
<!-- CellML Test Suite. https://github.com/MichaelClerx/cellml-validation -->
<!-- CellML 1.0, 5.2.7: Unit checking: higher-order derivatives -->
<model name="unit_checking_derivatives_degree"
       xmlns="http://www.cellml.org/cellml/1.0#"
       xmlns:cellml="http://www.cellml.org/cellml/1.0#">
  <units name="volt_per_second">
    <unit units="volt" />
    <unit units="second" exponent="-1" />
  </units>
  <units name="volt_per_second_squared">
    <unit units="volt" />
    <unit units="second" exponent="-2" />
  </units>
  <component name="A">
    <variable name="time" units="second" initial_value="0" />
    <variable name="V" units="volt" initial_value = "-0.08" />
    <variable name="x" units="volt" initial_value = "1" />
    <math xmlns="http://www.w3.org/1998/Math/MathML">
      <apply>
        <eq/>
        <apply>
          <diff/>
          <bvar>
            <ci>time</ci>
          </bvar>
          <degree>
            <cn cellml:units="dimensionless">1</cn>
          </degree>
          <ci>V</ci>
        </apply>
        <cn cellml:units="volt_per_second">0.001</cn>
      </apply>
      <apply>
        <eq/>
        <apply>
          <diff/>
          <bvar>
            <ci>time</ci>
          </bvar>
          <degree>
            <cn cellml:units="dimensionless">2</cn>
          </degree>
          <ci>x</ci>
        </apply>
        <cn cellml:units="volt_per_second_squared">0.001</cn>
      </apply>
    </math>
  </component>
</model>