This question already has an answer here:

I know that the Elastic net takes care of the limitations of Lasso by adding an L 2 penalty term. In the attached picture has been mentioned that the two formulas are equivalent. I tried to show this, but I failed.

Could you please help me to see how these two equations are equivariant?

enter image description here


marked as duplicate by Taylor, Matthew Gunn, Community Nov 10 '18 at 8:45

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.