Installation is quite simple.
odehybrid from File Exchange.examples_odehybrid.m.For example:
unzip odehybrid_v0.9.zip odehybrid;
addpath([pwd filesep 'odehybrid']);
savepath();
web('odehybrid/html/examples_odehybrid.html');
odehybrid is verified to work in MATLAB R2014a, but was developed with well-established MATLAB syntax and features and is expected to work with versions as old as R2008a.