Overall discussion for Tip 3

This is to discuss outstanding issues for Tip 3: Understand the complexities of training deep neural networks https://github.com/Benjamin-Lee/deep-rules/blob/master/content/05.dl-complexities.md

Read content/05.dl-complexities.md, the file linked by the issue, to understand the current Tip 3 text. The issue does not identify specific changes or tests; work is complete when the outstanding concerns are clarified and an agreed resolution for Tip 3 is recorded.

Written by the indexing model from the issue text.