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<?xml version="1.0" encoding="UTF-8"?>
<simulation xmds-version="2">
<testing>
<xsil_file name="constant_ex_arbitrary_order.xsil" expected="constant_ex_arbitrary_order_expected.xsil" absolute_tolerance="1e-7" relative_tolerance="1e-5" />
</testing>
<name>constant_ex_arbitrary_order</name>
<author>Graham Dennis</author>
<description>
Simple one-dimensional diffusion using the EX operator
</description>
<features>
<benchmark />
<bing />
<fftw plan="estimate" />
</features>
<geometry>
<propagation_dimension> t </propagation_dimension>
<transverse_dimensions>
<dimension name="y" lattice="128" domain="(-1.0, 1.0)" />
</transverse_dimensions>
</geometry>
<vector name="main" initial_basis="y" type="complex">
<components>
phi1 phi2
</components>
<initialisation>
<![CDATA[
phi1 = exp(-y*y);
phi2 = exp(-5.0*y*y);
]]>
</initialisation>
</vector>
<sequence>
<integrate algorithm="RK4" interval="10.0" steps="24000" tolerance="1e-5">
<samples>24</samples>
<operators>
<operator kind="ex" constant="yes">
<operator_names>L</operator_names>
<![CDATA[
L = -0.02*ky*ky;
]]>
</operator>
<integration_vectors>main</integration_vectors>
<![CDATA[
dphi1_dt = L[phi1];
dphi2_dt = L[phi2];
]]>
</operators>
</integrate>
</sequence>
<output format="binary">
<sampling_group basis="y" initial_sample="yes">
<moments>dens1 dens2</moments>
<dependencies>main</dependencies>
<![CDATA[
dens1 = mod2(phi1);
dens2 = mod2(phi2);
]]>
</sampling_group>
</output>
</simulation>
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