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Using Solver with multiple ranges (Excel 2003 sp2)
Hi all,
I am trying to set up a VBA version of a Solver model, which works fine in "worksheet mode". The Solver has to iterate over two separate ranges. When using the recorded macro the input values a ByChange:= "$H$45:$AG$46,$H$47:$AJ$48". They work fine. When I try to replace the values with variables, I get an error message, saying something like "global failed". Can anybody help me with this annoying problem? Also I'd very much like to know how Solver evaluates whether a given problem is "too large". I get that message sometimes on the exact same number of cells which worked just minutes before (in worksheet mode, without VBA). The dysfunctional code is this: Sub SolverMakro() Dim cell1 As Range, cell2 As Range, Cell3 As Range, cell4 As Range, cell5 As Range Set cell1 = Range("G27") Set cell2 = Range("H45:AG46") 'Set Cell3 = Range("AG46") Set cell4 = Range("H47:AJ48") 'Set cell5 = Range("AJ48") SOLVER.SolverReset SOLVER.SolverOk SetCell:=cell1.Address, MaxMinVal:=1, ValueOf:="0", ByChange:=Range(cell2, cell4).Address SolverAdd CellRef:=Range(cell2).Address, Relation:=1, FormulaText:="0" SolverAdd CellRef:=Range(cell2).Address, Relation:=3, FormulaText:="-42000" SolverAdd CellRef:=Range(cell4).Address, Relation:=1, FormulaText:="0" SolverAdd CellRef:=Range(cell4).Address, Relation:=3, FormulaText:="-42000" SolverAdd CellRef:="$H$39:$BB$39", Relation:=1, FormulaText:="0" UserFinish = True SolverSolve End Sub Thanks in advance, Kragelund |
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