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Indexed variables


Hello, MathGroup
Is there anybody who knows as to thrust indexed
variables in Mathematica without assigning them a
value ? I need a[[1]] ... a[[8]] to be real headed
expressions (variables, if you like) present in some
equations as unknowns.
I tried a=Table[0,{k,1,8}] but it hampers me because
of zero value.
Goodbye
Barbara Da Vinci

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