Fangke Wan
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Latest activity by Fangke Wan-
Fangke Wan created a post,
About how to create variable x_ij
AnsweredI want to create a variable which contain i is from 1 to 8, j is from 1 to 8 x_11, x_12, x_13, x_14, x_15, x_16,x_17, x_18,....., X_88 Does it have a convenient way to create rather than create t...