Matlab2012b&Simulink licence失效解决办法（重复激活解决方案）
转载滴 https://blog.csdn.net/qq_41001325/article/details/78524411
光棍节结束，math公司也对用户端进行调整，很多朋友的matlab都被要求重新添加许可文件。然而，基本都是激活完成，打开，继续激活，然后激活完成重复。
这是因为激活的文件只到2017年11月11日。
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希望能帮助到大家！