The ALADIN implementation for group lasso problem. A code repository supplementary to paper [1]. In this code, we generate an optimal solution via CVX software for testing. One may have CVX installed to use this code.
[1] Y. Jiang, J. Su, Y. Shi and B. Houska, "Distributed Optimization for Massive Connectivity," in IEEE Wireless Communications Letters, doi: 10.1109/LWC.2020.2992189.