Changes in version 0.2.3 (2021-08-21)                  

  - Change of maintainer's contact.

                 Changes in version 0.2.2 (2020-07-02)                  

  - Fixed graphic parameter setting for CRAN.

                 Changes in version 0.2.1 (2020-02-04)                  

  - Added a NEWS.md file to track changes to the package.
  - Modification according to changes from CVXR package.