This isn't a GLPK-specific question, but this seems like a good place to ask
this question.
I am reading a journal article from the 60's. The author mentions
"non-vanishing variables." With the context, it seems like this might be a
term for "non-zero valued variables" but I am just guessing. Is there a formal
definition of a 'vanishing variable' that anyone has heard of? Maybe it's a
linear algebra term? Couldn't find a good definition/use via google.
Here is the sentence where the term is first used:
"Let T be a given basic feasible solution of (3) and denote by N--the number
of not vanishing t_i in T; V_y--the number of vanishing y_i in T..."
In the LP described by (3), t's and y's are the decision variables, all >= 0.
Thanks in advance...
Joey
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