If I set command for msd output in my input file just like that:
compute 1 A msd # A,B for group id
fix msd A ave/time 100 1 100 c_1 file Amsd.file mode vector
compute 2 B msd
fix msd B ave/time 100 1 100 c_1 file Bmsd.file mode vector
Finally,I have the output of Bmsd.file.The Amsd.file had been passed,and no complete output.In my output file ,there is a warning: Replacing a fix, but new group != old group.
How can I output two msd file in the same time?
Thanks a lot!