User talk:Quarter kernel

February 2020
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Captain (naval) have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the help desk. Materialscientist (talk) 14:43, 19 February 2020 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Kernel (linear algebra). Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Materialscientist (talk) 14:48, 19 February 2020 (UTC)