how to contact and confirm the found unexpected behaviours in matlab define module?

Hi, as we found some unexpected behaviour in one matlab given system (XXX)by applying some testing paradigm, how can we we confirm about this unexpected behaiviour from matlab?

[Image Analyst]

Call tech support, or someone else with a different computer, and ask them to run the same program with the same data and same version of MATLAB, and see if they get the same unexpected result as you.