How to solve lasso with TFOCS need some help! It puzzled me for days

1

I am trying to solve
min ||diag(xalphay)-b||_2 +0.1*||alpha||

alpha is a 4x7 matrix

I read those demos but still really confused is there anyone can give me some sample code of TFOCS?? PLZ!!! Thank you!

2

Can you please edit your question and express your problem using LaTeX notation?
How do I include equations in forum posts?