matlab code for Fixed point and Bregman iterative methods. minimize alpha*TV(Phi *x) + beta*||x||_1 + 0.5*||Ax-b||_2^2 ,matlab code for Fixed point and Bregman iterative methods. minimize alpha*TV(Phi*x)+ beta*||x||_1+ 0.5*||Ax-b||_2^2