Location: OpenCOR @ 2a2ca5cabb49 / van_der_pol_model_1928.cellml

Author:
Alan Garny <a.garny@auckland.ac.nz>
Date:
2019-05-17 18:51:57+12:00
Desc:
Some minor cleaning up.
Permanent Source URI:
https://models.physiomeproject.org/workspace/55d/rawfile/2a2ca5cabb4911b3b6f60264acaa2460363ce391/van_der_pol_model_1928.cellml

<?xml version='1.0' encoding='UTF-8'?>
<model name="van_der_pol_model_1928" xmlns="http://www.cellml.org/cellml/1.0#" xmlns:cellml="http://www.cellml.org/cellml/1.0#">
    <component name="main">
        <units name="per_second">
            <unit exponent="-1" units="second"/>
        </units>
        <variable name="time" units="second"/>
        <variable initial_value="-2" name="x" units="dimensionless"/>
        <variable initial_value="0" name="y" units="dimensionless"/>
        <variable initial_value="1" name="epsilon" units="dimensionless"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>x</ci>
                </apply>
                <apply>
                    <times/>
                    <ci>y</ci>
                    <cn cellml:units="per_second">1</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>y</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <apply>
                            <times/>
                            <ci>epsilon</ci>
                            <apply>
                                <minus/>
                                <cn cellml:units="dimensionless">1</cn>
                                <apply>
                                    <power/>
                                    <ci>x</ci>
                                    <cn cellml:units="dimensionless">2</cn>
                                </apply>
                            </apply>
                            <ci>y</ci>
                        </apply>
                        <ci>x</ci>
                    </apply>
                    <cn cellml:units="per_second">1</cn>
                </apply>
            </apply>
        </math>
    </component>
</model>