<?xml version="1.0" encoding="UTF-8"?> <simulation xmds-version="2"> <name>lorenz_minimal</name> <geometry> <propagation_dimension> t </propagation_dimension> </geometry> <vector name="position" type="real"> <components> x y z </components> <initialisation> <![CDATA[ x = y = z = 1.0; ]]> </initialisation> </vector> <sequence> <integrate algorithm="ARK89" interval="10.0" tolerance="1e-7"> <samples>100</samples> <operators> <integration_vectors>position</integration_vectors> <![CDATA[ dx_dt = 10.0*(y-x); dy_dt = 28.0*x - y - x*z; dz_dt = x*y - 8.0/3.0*z; ]]> </operators> </integrate> </sequence> <output> <sampling_group> <moments>xR yR zR</moments> <dependencies>position</dependencies> <![CDATA[ xR = x; yR = y; zR = z; ]]> </sampling_group> </output> </simulation>