René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Optimization result","articleBody":"Hello,\r\nI encountered the following problem when fitting the ace potential using pacemaker (both the Cu-I example in the pyace package and the AlLi case in pace-tutorial-main). The fitting task was always interrupted and did not reach the set maximum number of iteration steps. The log file indicates that **_Optimization result(success=False, status=2, message=Desired error not necessarily achieved due to precision loss., nfev=909, njev= 897_**). \r\n\r\n\r\n![AlLi log](https://github.com/user-attachments/assets/f67fb54e-1ea0-497e-9eee-40352e4b5245)\r\n![Cu-I log](https://github.com/user-attachments/assets/c25b36c6-f31b-4d7e-a5c8-682252fa7324)\r\nI'm not sure if this is normal or not and would appreciate some advice from you.\r\n\r\nBest regards,\r\nZhunyun","author":{"url":"https://github.com/ZhunyunTang","@type":"Person","name":"ZhunyunTang"},"datePublished":"2024-12-07T12:32:12.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/83/python-ace/issues/83"}