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Need help to solve E-101: Incompatible types in assignment ('array of linctr' := 'linctr')
I am trying to solve a simple routing model using Xpress, but I obtain the error message as stated above. The error appears in every constraint where I have declared the constraint as Contraint: arr...
You need to employ the index value (or index tuple) when enumerating the entries of an array of 'linctr', just like what you are doing for other types of arrays (eg array of mpvar) in your example:
forall (tt in TimePeriods)
CargoCon(tt) :=
l(tt) = l(tt-1) + sum(ii in Locations) q(ii,tt); ! NB: there probably needs to be a test on the 'tt-1' index, perhaps something like: if(t>1, l(tt-1), 0)
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The assignment target is invalid. You can assign values only to variables, properties and indexed properties
Hi There, When I am comprising enum to enum then getting this error msg. for comprising I am using =, is, and .equals(object) The assignment target is invalid. You can assign values only to varia...