MATLABR2012a版本用过一阵子后,突然显示过期了,需要激活密钥,整理一个小时也没激活成功。突然在网上查到资料,然后试了一下果然有效。具体操作如下:

在MATLABR2012a安装目录下找到licenses目录,然后在它的目录下创建license.lic文件,之后把以下内容复制到license.lic文件中

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INCREMENT Aerospace_Blockset MLM 99 permanent uncounted \

      A05070F00D1EB1F92326 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=216 SN=888888 TS_OK

INCREMENT Aerospace_Toolbox MLM 99 permanent uncounted \

      6090F0C08395D4289512 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=237 SN=888888 TS_OK

INCREMENT Bioinformatics_Toolbox MLM 99 permanent uncounted \

      40E0B0406DE56D23A426 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=190 SN=888888 TS_OK

INCREMENT Cert_Kit_IEC MLM 99 permanent uncounted \

      9080309041D2DCCB2B10 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=179 SN=888888 TS_OK

INCREMENT Communication_Blocks MLM 99 permanent uncounted \

      80E010304ACCEEB5E0AA VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=77 SN=888888 TS_OK

INCREMENT Communication_Toolbox MLM 99 permanent uncounted \

      C0003000770A1A086530 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=162 SN=888888 TS_OK

INCREMENT Compiler MLM 99 permanent uncounted 60D0C0F0DC03C2F72FF7 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=232 SN=888888 TS_OK

INCREMENT Control_Toolbox MLM 99 permanent uncounted \

      6020E0B00B7ECE0893BB VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=7 \

      SN=888888 TS_OK

INCREMENT Curve_Fitting_Toolbox MLM 99 permanent uncounted \

      10703080061FF9DA5A81 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=229 SN=888888 TS_OK

INCREMENT Data_Acq_Toolbox MLM 99 permanent uncounted \

      E0B0E0E05124CF4A1A8D VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=21 SN=888888 TS_OK

INCREMENT Database_Toolbox MLM 99 permanent uncounted \

      0010D0B02CA7353F8314 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=230 SN=888888 TS_OK

INCREMENT Datafeed_Toolbox MLM 99 permanent uncounted \

      40905060D1ECD939538F VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=185 SN=888888 TS_OK

INCREMENT Dial_and_Gauge_Blocks MLM 99 permanent uncounted \

      A0F05070AA9AEBF40588 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=226 SN=888888 TS_OK

INCREMENT Distrib_Computing_Toolbox MLM 99 permanent uncounted \

      5000D00031D2C6B89F9C VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=229 SN=888888 TS_OK

INCREMENT EDA_Simulator_Link MLM 99 permanent uncounted \

      E070C0C02B4B90B5A8D0 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=205 SN=888888 TS_OK

INCREMENT Econometrics_Toolbox MLM 99 permanent uncounted \

      505010F00EB1289A73BA VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=149 SN=888888 TS_OK

INCREMENT Embedded_IDE_Link MLM 99 permanent uncounted \

      90E01090A9BDA4FF67D7 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=254 SN=888888 TS_OK

INCREMENT Excel_Link MLM 99 permanent uncounted E0800080FED6DF10E43F \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=207 SN=888888 TS_OK

INCREMENT Filter_Design_HDL_Coder MLM 99 permanent uncounted \

      3050B02039903259577E VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=181 SN=888888 TS_OK

INCREMENT Filter_Design_Toolbox MLM 99 permanent uncounted \

      3000E0B02C875CDF5823 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=239 SN=888888 TS_OK

INCREMENT Fin_Derivatives_Toolbox MLM 99 permanent uncounted \

      70A010D017A8FA7CE955 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=247 SN=888888 TS_OK

INCREMENT Financial_Toolbox MLM 99 permanent uncounted \

      20E050A0ACC6A69E7AEE VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=241 SN=888888 TS_OK

INCREMENT Fixed-Point_Blocks MLM 99 permanent uncounted \

      E0206040ED6EF9BCCB3B VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=11 SN=888888 TS_OK

INCREMENT Fixed_Income_Toolbox MLM 99 permanent uncounted \

      50E090D0C130F6416176 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=132 SN=888888 TS_OK

INCREMENT Fixed_Point_Toolbox MLM 99 permanent uncounted \

      C07000703494010EF55C VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=154 SN=888888 TS_OK

INCREMENT Fuzzy_Toolbox MLM 99 permanent uncounted \

      D04010B048FB8D350E4E VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=233 SN=888888 TS_OK

INCREMENT GADS_Toolbox MLM 99 permanent uncounted \

      50D0900087384B51643A VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=210 SN=888888 TS_OK

INCREMENT Identification_Toolbox MLM 99 permanent uncounted \

      00707080A0CC0D8FB71E VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=190 SN=888888 TS_OK

INCREMENT Image_Acquisition_Toolbox MLM 99 permanent uncounted \

      50D0D0905C22130C4D2A VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=208 SN=888888 TS_OK

INCREMENT Image_Toolbox MLM 99 permanent uncounted \

      B01030E0F517B496275C VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=133 SN=888888 TS_OK

INCREMENT Instr_Control_Toolbox MLM 99 permanent uncounted \

      80C0505033C162F3017F VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=169 SN=888888 TS_OK

INCREMENT MAP_Toolbox MLM 99 permanent uncounted C090E0E022BD3BA852B3 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=4 SN=888888 TS_OK

INCREMENT MATLAB_Report_Gen MLM 99 permanent uncounted \

      80B000B00052F620FB11 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=190 SN=888888 TS_OK

INCREMENT MATLAB_Distrib_Comp_Engine MLM 99 permanent uncounted \

      804080300CB545FBECE8 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=233 SN=888888 TS_OK

INCREMENT MATLAB_Builder_for_Java MLM 99 permanent uncounted \

      404040707C2CA5639DEE VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=186 SN=888888 TS_OK

INCREMENT MATLAB_Builder_for_dot_Net MLM 99 permanent uncounted \

      8070E0D0FFAA645DA39D VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=255 SN=888888 TS_OK

INCREMENT MATLAB MLM 99 permanent uncounted 50E0F0D08F6CEF24CC5B \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=14 SN=888888 TS_OK

INCREMENT MATLAB_Excel_Builder MLM 99 permanent uncounted \

      50106010BCBF479623D9 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=206 SN=888888 TS_OK

INCREMENT MBC_Toolbox MLM 99 permanent uncounted B05000C02F157C5BEE28 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=198 SN=888888 TS_OK

INCREMENT MPC_Toolbox MLM 99 permanent uncounted 3050206087BF1C33045E \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=203 SN=888888 TS_OK

INCREMENT Neural_Network_Toolbox MLM 99 permanent uncounted \

      D0009010451EEB5A283F VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=198 SN=888888 TS_OK

INCREMENT OPC_Toolbox MLM 99 permanent uncounted 50F070404BE7E269740A \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=198 SN=888888 TS_OK

INCREMENT Optimization_Toolbox MLM 99 permanent uncounted \

      E0F00030546D043DF202 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=152 SN=888888 TS_OK

INCREMENT PDE_Toolbox MLM 99 permanent uncounted 5080705081D393548E6E \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=166 SN=888888 TS_OK

INCREMENT Power_System_Blocks MLM 99 permanent uncounted \

      90405000B77AC9D2CBB9 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=216 SN=888888 TS_OK

INCREMENT Qual_Kit_DO MLM 99 permanent uncounted D01010C04E05A80BCD10 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=190 SN=888888 TS_OK

INCREMENT RF_Blockset MLM 99 permanent uncounted A0A00020B1FED5C15465 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=201 SN=888888 TS_OK

INCREMENT RF_Toolbox MLM 99 permanent uncounted 90F0905068868B4A97C8 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=168 SN=888888 TS_OK

INCREMENT RTW_Embedded_Coder MLM 99 permanent uncounted \

      A0D0E0C0B3978D64A1A3 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=250 SN=888888 TS_OK

INCREMENT Real-Time_Win_Target MLM 99 permanent uncounted \

      300060D0E68A928A0DBC VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=208 SN=888888 TS_OK

INCREMENT Real-Time_Workshop MLM 99 permanent uncounted \

      7020D04006040066FAEA VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=134 SN=888888 TS_OK

INCREMENT Robust_Toolbox MLM 99 permanent uncounted \

      1040201098A2D1E80D25 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=173 SN=888888 TS_OK

INCREMENT SIMULINK MLM 99 permanent uncounted 30D05030E2F9BBB8FCC2 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=213 SN=888888 TS_OK

INCREMENT SIMULINK_Report_Gen MLM 99 permanent uncounted \

      E070B070769E869B6A03 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=206 SN=888888 TS_OK

INCREMENT SL_Verification_Validation MLM 99 permanent uncounted \

      C0309000FB238CC772CC VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=251 SN=888888 TS_OK

INCREMENT Signal_Blocks MLM 99 permanent uncounted \

      F000A0702665C46E07FF VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=196 SN=888888 TS_OK

INCREMENT Signal_Toolbox MLM 99 permanent uncounted \

      E070B0403768324D14C1 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=185 SN=888888 TS_OK

INCREMENT SimBiology MLM 99 permanent uncounted 404080202CFCE52296A3 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=187 SN=888888 TS_OK

INCREMENT SimDriveline MLM 99 permanent uncounted \

      B030A0704195F94612EF VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=163 SN=888888 TS_OK

INCREMENT SimElectronics MLM 99 permanent uncounted \

      F0D050A035E4883B1E9D VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=246 SN=888888 TS_OK

INCREMENT SimEvents MLM 99 permanent uncounted 30E02040EB0C922C71A0 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=216 SN=888888 TS_OK

INCREMENT SimHydraulics MLM 99 permanent uncounted \

      C07090B0F394787D61B7 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=185 SN=888888 TS_OK

INCREMENT SimMechanics MLM 99 permanent uncounted \

      909000103231C13BB4BB VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=148 SN=888888 TS_OK

INCREMENT Simscape MLM 99 permanent uncounted 8020D0906FAC13D095EC \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=211 SN=888888 TS_OK

INCREMENT Simulink_Control_Design MLM 99 permanent uncounted \

      D09060704E819BCDDD32 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=206 SN=888888 TS_OK

INCREMENT Simulink_Design_Optim MLM 99 permanent uncounted \

      6020C080F9B2D2F92E1C VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=243 SN=888888 TS_OK

INCREMENT Simulink_Design_Verifier MLM 99 permanent uncounted \

      8080D0002C390CBB546E VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=196 SN=888888 TS_OK

INCREMENT Simulink_HDL_Coder MLM 99 permanent uncounted \

      F05000C0108BB935AD39 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=215 SN=888888 TS_OK

INCREMENT Simulink_PLC_Coder MLM 99 permanent uncounted \

      803090F0C42068269D45 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=194 SN=888888 TS_OK

INCREMENT Spline_Toolbox MLM 99 permanent uncounted \

      30E0B0A014330227515B VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=112 SN=888888 TS_OK

INCREMENT Stateflow_Coder MLM 99 permanent uncounted \

      2050D0B06F85F87E216B VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=199 SN=888888 TS_OK

INCREMENT Stateflow MLM 99 permanent uncounted 4030C0C01E0B917BED3F \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=223 SN=888888 TS_OK

INCREMENT Statistics_Toolbox MLM 99 permanent uncounted \

      7010C05033AC51015B7C VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=178 SN=888888 TS_OK

INCREMENT Symbolic_Toolbox MLM 99 permanent uncounted \

      80D09090A1ADD082F35D VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=33 SN=888888 TS_OK

INCREMENT SystemTest MLM 99 permanent uncounted B0A0A0E039DA5A2F4AA0 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=29 SN=888888 TS_OK

INCREMENT Target_Support_Package MLM 99 permanent uncounted \

      207000609E1847CC5A6E VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=172 SN=888888 TS_OK

INCREMENT Vehicle_Network_Toolbox MLM 99 permanent uncounted \

      00C02010ABF2A8B8152B VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=11 SN=888888 TS_OK

INCREMENT Video_and_Image_Blockset MLM 99 permanent uncounted \

      107070B0AF7901361B1E VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=162 SN=888888 TS_OK

INCREMENT Virtual_Reality_Toolbox MLM 99 permanent uncounted \

      B010002042F6C767442D VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=205 SN=888888 TS_OK

INCREMENT Wavelet_Toolbox MLM 99 permanent uncounted \

      30C0F0800F9B41DD8577 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=238 SN=888888 TS_OK

INCREMENT XPC_Embedded_Option MLM 99 permanent uncounted \

      102000905C51C5DE4BF0 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=174 SN=888888 TS_OK

INCREMENT XPC_Target MLM 99 permanent uncounted 6090B0000421BEBA6810 \

      VENDOR_STRING=QQ=47399897 HOSTID=ANY ck=136 SN=888888 TS_OK

INCREMENT Sensor_Array_Toolbox MLM 99 permanent uncounted \

      E0008030D7E6251042F1 VENDOR_STRING=QQ=47399897 HOSTID=ANY \

      ck=179 SN=888888 TS_OK

最后,重启MATLAB。

希望这个经验可以帮助到更多的人!

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