- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2017-08-31 11:16:51+12:00
- Desc:
- adding initial set of test models used in libcellml
- Permanent Source URI:
- https://models.cellml.org/workspace/4b1/rawfile/a984419d72b5dc4ef514f02defb70308fa57b09c/parabolic_approx_sin.xml
<?xml version="1.0" encoding="UTF-8"?><model xmlns="http://www.cellml.org/cellml/2.0#" xmlns:cellml="http://www.cellml.org/cellml/2.0#" xmlns:xlink="http://www.w3.org/1999/xlink" name="parabolic_approx_sin" id="parabolic_approx_sin">
<component name="sin" id="sin">
<variable id="x" name="x" interface="public_and_private"/>
<variable id="sin" name="sin" interface="public_and_private"/>
<variable name="k2_oPi" interface="public_and_private"/>
<variable name="k2Pi" interface="public_and_private"/>
<variable name="kPi_2" interface="public_and_private"/>
<variable name="kPi" interface="public_and_private"/>
<variable name="kPi_32" interface="public_and_private"/>
<variable name="z" interface="public_and_private"/>
<variable name="C" interface="public_and_private"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply id="k2_oPi"><eq/>
<ci>k2_oPi</ci>
<apply><divide/>
<cn cellml:units="dimensionless">2.0</cn>
<pi/>
</apply>
</apply>
<apply id="k2Pi"><eq/>
<ci>k2Pi</ci>
<apply><times/>
<cn cellml:units="dimensionless">2.0</cn>
<pi/>
</apply>
</apply>
<apply id="kPi_2"><eq/>
<ci>kPi_2</ci>
<apply><divide/>
<pi/>
<cn cellml:units="dimensionless">2.0</cn>
</apply>
</apply>
<apply id="kPi"><eq/>
<ci>kPi</ci>
<pi/>
</apply>
<apply id="kPi_32"><eq/>
<ci>kPi_32</ci>
<apply><divide/>
<apply><times/>
<cn cellml:units="dimensionless">3.0</cn>
<pi/>
</apply>
<cn cellml:units="dimensionless">2.0</cn>
</apply>
</apply>
<apply id="z"><eq/>
<ci>z</ci>
<piecewise>
<piece>
<apply><minus/>
<apply><times/>
<ci>x</ci>
<ci>k2_oPi</ci>
</apply>
<cn cellml:units="dimensionless">0.5</cn>
</apply>
<apply><lt/>
<ci>x</ci>
<ci>kPi_2</ci>
</apply>
</piece>
<piece>
<apply><minus/>
<apply><times/>
<apply><minus/>
<pi/>
<ci>x</ci>
</apply>
<ci>k2_oPi</ci>
</apply>
<cn cellml:units="dimensionless">0.5</cn>
</apply>
<apply><lt/>
<ci>x</ci>
<ci>kPi</ci>
</apply>
</piece>
<piece>
<apply><minus/>
<apply><times/>
<apply><minus/>
<ci>x</ci>
<pi/>
</apply>
<ci>k2_oPi</ci>
</apply>
<cn cellml:units="dimensionless">0.5</cn>
</apply>
<apply><lt/>
<ci>x</ci>
<ci>kPi_32</ci>
</apply>
</piece>
<otherwise>
<apply><minus/>
<apply><times/>
<apply><minus/>
<ci>k2Pi</ci>
<ci>x</ci>
</apply>
<ci>k2_oPi</ci>
</apply>
<cn cellml:units="dimensionless">0.5</cn>
</apply>
</otherwise>
</piecewise>
</apply>
<apply id="sin"><eq/>
<ci>sin</ci>
<piecewise>
<piece>
<apply><plus/>
<apply><minus/>
<apply><times/>
<ci>z</ci>
<ci>z</ci>
</apply>
</apply>
<ci>C</ci>
<ci>z</ci>
</apply>
<apply><lt/>
<ci>x</ci>
<ci>kPi_2</ci>
</apply>
</piece>
<piece>
<apply><plus/>
<apply><minus/>
<apply><times/>
<ci>z</ci>
<ci>z</ci>
</apply>
</apply>
<ci>C</ci>
<ci>z</ci>
</apply>
<apply><lt/>
<ci>x</ci>
<ci>kPi</ci>
</apply>
</piece>
<piece>
<apply><minus/>
<apply><minus/>
<apply><times/>
<ci>z</ci>
<ci>z</ci>
</apply>
<ci>C</ci>
</apply>
<ci>z</ci>
</apply>
<apply><lt/>
<ci>x</ci>
<ci>kPi_32</ci>
</apply>
</piece>
<otherwise>
<apply><minus/>
<apply><minus/>
<apply><times/>
<ci>z</ci>
<ci>z</ci>
</apply>
<ci>C</ci>
</apply>
<ci>z</ci>
</apply>
</otherwise>
</piecewise>
</apply>
</math>
</component>
</model>
