Set Solver Reference In Code
Nov 23, 2006
my excel sheet runs through different cases (i=1 till i=20). For each case I need to use the solver. Since the whole programm works with references like this cells(10 + i, columnindex).value I tried this with the solver, too. e.g.: SolverOk SetCell:=Cells(20 + i, 46), ValueOf:="0.000001", ByChange:=Cells(20 + i, 47)
But it gives me not a right result as it would give me with a reference like
SolverOk SetCell:="$AT$21", ValueOf:="0.000001", ByChange:="$AU$21"
I tried difference referencing things with different types of brackets, wih range, etc. but I could not figure it out hwo it might works.
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Oct 30, 2007
When I go to excel ==> ALT + F11 ==> Tools ==> Reference ==> I can't seem to find "solver" anymore. My code was using the solver module, and now my code does not work. I can't find "solver" to check it.
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Dec 31, 2008
I've done quite a bit of research in the past week or so on the topic of solver automation using loops; while there are a few good posts scattered around, i haven't quite found the solution to my problem.
i'm trying to run the solver on a few like-sized datasets contained in one worksheet. i've set up a loop to properly reference the 4 datasets. the solver constraints are in one column on the same worksheet.
the macro runs with no errors, but it doesn't "solve." the parameter cells retain their original values.
i should mention that my macro ran perfectly before i consolidated the 4 separate solver calls into one loop. I got tired of having to type 4 different constraint changes in the code as i was optimizing the solver.
on a similar topic, does anyone know how to call a variable in the FormulaText declaration? If i wanted to step through a defined array of constraints, say [1,2,3], how do i get FormulaText:= variable to work?
Sub Macrosolver()
Dim iteration As Long
Dim i As Integer
i = 8 'start in row 8 at first dataset
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Dec 14, 2009
Suppose that you have some data points and you want to fit a straight line to them. You write the line's equation in the cells ajacent to your data points, make the square of each difference, sum up all the squares and you have your objective function. Of course your line equation depends on two parameters, that you enter in two cells. Then you run the Excel Solver, enter your objective function as target cell to minimize, enter the range containing your parameters, set your constraints and off you go.
So far so good.
And now suppose that in order to generate your model data it is not enough to write a straight line equation in some cells, but rather to run a complete reactor model (contained in a macro). How do I couple that model-generating macro with the Excel Solver? Now, I actually found a solution. I wrote a Worksheet_change macro in the sheet containing the model parameters, which calls the model-generating code each time the parameters are chenged by the Excel Solver. This has worked fine for a simple example as the straight line one.
Now one of the two:.....
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Nov 18, 2011
Is it easier to use the Solver Add-in than to create your own data analysis code? We are planning to design a scheduler for around 12 technicians in our contact center (doing phone support).
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Sep 10, 2006
I have a cell, D5, which is the sum of three other cells, A5 B5 and C5. (all currently empty). Cells A1 through C4 are filled with various numbers.
What I've been trying to do is use solver to say: Make D5 equal 200, do it by manipulating only A5 B5 and C5, and make it subject to the constraint that A5 must equal a value selected from A1:A4, and B5 must equal a value from B1:B4, and C5 ...etc. I have deliberately set it up so that there is only one solution.
I was doing fine until trying to create the constraints. How can I make a constraint that says "this cell" must equal "one of the following cells"? And if I can't do that, is there an alternate method of achieving the same result?
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Jan 12, 2007
I have to use use the solver to calculate something (a mean-variance framework).
I am using the solver to minimize a cartain cell (variance) by making two cells equal through (expected return) by varying 10 cells( weights of assets), but I have to repeat this for 500+ times (for different expected returns).
Someone told me that I could best use some sort of loop through VBA. But I don't have a clue how that works.
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Jan 21, 2009
I want to use solver program. But when solver "changes cells" i want it to trigger my pivot tables in the workbook. So i added the code to my worksheet:
Private Sub Worksheet_Change(ByVal Target As Range)
ThisWorkbook.RefreshAll
End Sub
So when a change occurs, all my pivot tables will get refreshed and my data will change. Is solver able to trigger this event while solving an optimization problem?
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Jan 9, 2010
I need to add a Reference to the "The Microsoft Visual Basic Extensibility Library 5.3" using VBA code in an Excel spreadsheet. I know how to do it going to Tools...References select the library etc, but I'd rather do it using VBA code so I don't have to do this extra step.
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Feb 26, 2010
How can I change the following line of code to reference Cell "D1" on the "Publish Details" sheet to replace the "D2:D"? ..
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Jan 6, 2014
I am building a spreadsheet that references 'LHA rent rates' listed in other cells.
Example table
Bed rate Code: LHA per week:
0 - £55.00
1 - £91.85
2 - £109.61
(Ie two columns with six cells. The first number before the dash are in a separate column. Each of these £ amounts will be in a separate cell.)
In another part of the sheet, i want to be able to type '0' in Cell 1, and this will trigger a formula in Cell 2 to retrieve the correct £ amount i.e., £55.00 in the 'example table' above. Likewise if i change Cell 1 to '2', then Cell 2 automatically updates to £109.61.
I think this would be a long IF formula in Cell 2, but how to do it.
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Jul 15, 2014
I need a VBA code to reference the cell value to activate a particular worksheet name. In the sheet "Ini", Range ("B4"), there is a text of "Rawdata" This text is used to reference to the specific Sheet name and activate it.
However, I am unable to get my code to work. Thus, I changed it with a ' with green highlights for the following lines:
'Worksheets.Open Filename:=DataRawSheet
'ActiveSheet.Range("A1").Select
Reference_Cell_to_Sheet.xlsm
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Jul 29, 2009
I have a macro which (see below) which will autofilter a spreadsheet to only show cases which are older than a 200 days. I'd like to add the ability for the end user to change the filter criteria as required (say from 200 to 300).
Ideally this would be done by having the macro reference cell G22 which is where I would allow the end user to change the filter criteria.
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Dec 22, 2011
I am looking to start writing a code that will a row # from a dynamic cell within the workbook and use that row # to select the row and delete it.
Example:
In Cell G5=8
I would like the VBA code to see 8 as row 8 and delete row 8.
Row 8 is determined by looking up a name and finding which row it is in and returning the row number.
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Mar 3, 2013
Code:
Sub ProtectAll()
Dim ws As Worksheet
For Each ws In ActiveWorkbook.Worksheets
.Protect Password:="Password", AllowFiltering:=True
.EnableSelection = xlUnlockedCells
End With
End Sub
I am trying to get autofilter to be active when i run my protect macro.
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Sep 4, 2009
I'm at my wits end trying to work out why I'm getting a circular reference when this code runs:
Private Sub TextBox1_Change()
Cells(Rows.Count, "K").End(xlUp).Offset(1).Value = Range(TextBox1.LinkedCell).Value
With Range("K5").Resize(40, 1)
.FormulaR1C1 = "=OFFSET(" & Cells(Rows.Count, "K").End(xlUp).Address(True, True, xlR1C1) & ",-(ROW(RC)-ROW(R5C)+1),0,1,1)"
.Value = .Value
End With
End Sub
The circular reference cell is K29. I have an "X" in K46 after which all the values in TextBox1 are copied.
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Aug 14, 2007
Is it possible to make a textbox or combobox the reference of a formula in a cell?
I know that you can just do this on VBA, but if possible I don't want to do that in this particular case.
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Feb 25, 2008
I'm looking for a macro that changes Iterations from 100 to 10. I have a circular reference that I can't seem to completely remove, so my endusers complain about the pop-up warning. I know I need to resolve the circular ref issue, but in the meantime I would like to create a button that makes it easy for an enduser to change the Iterations with one click. A secondary question is, "Am I sacrificing significant accuracy by limiting Iterations from 100 to 10? I'm dealing with $'s, so the nearest penny is good enough.
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Aug 7, 2012
I am attempting to modify the code below to, not only reference the ".Item(rCell.Value)", but also include it's formatting. The format for that referenced cell will not necessarily be a "certain" format..so I don't want to have to write out what specific formatting needs to happen.
VB:
If (.exists(Trim(rCell.Value)) And rCell.Offset(, 1).Value = "") Then rCell.Offset(, 1) = .Item(rCell.Value)
The entire code is as follows:
VB:
Sub FillVariablesOnlyBlanks()
Application.ScreenUpdating = False
Dim a, i As Long, rCell As Range, ws As Worksheet[code]....
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Aug 12, 2014
Where it is bolded I am trying to replace that with a cell reference such as A1 where I can input a website in that cell rather than edit the VBA code everytime
Here is the code:
Sub URL_Get_Query()
With ActiveSheet.QueryTables.Add(Connection:= _
"URL;http://quote.money.cnn.com/quote/quote?symbols=msft", _
[Code]....
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Mar 2, 2007
I'm having trouble calling a subroutine from a command button. It's puzzling because I've set up buttons before and didn't have this trouble.
Here is my button
Private Sub EPConversionButton1_Click(ByVal target As Range)
Convert_Hrs_EP target
End Sub
And here is the subroutine.
Sub Convert_Hrs_EP(target As Range)
End Sub
There's nothing there yet, but I keep getting error messages regarding the transfer from the button code to the subroutine.
The message is: Procedure declaration does not match description of event or procedure having the same name. The Help file says this means that my procedure has the same name as an event, but does not have the same signature. But it's not so.
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Aug 22, 2008
I need to copy a range of values from sheet 3 to sheet1. When I recorded macro, I got the below code. But, instead of RC in the 4th line <ActiveCell.FormulaR1C1 = "=Sheet2!RC"> I need to pass values like A1,A20 etc.
Since the values range & column to be copied would be varying dynamically, (say for first iteration it would be A1: A20 & for second iteration, I need to copy C1: C20.) how to pass these variables to the macro and use it instead of the static "RC". Whatever column I specify, it should copy from that <column>StartRow to that <column> EndRow.
Sub Updtval(StartRow As Integer, EndRow As Integer, f As Integer)
Sheets("Sheet1").Select
Range("A1").Select
ActiveCell.FormulaR1C1 = "=Sheet2!RC"
Range("A1").Select
Selection.AutoFill Destination:=Range("A1:A6"), Type:=xlFillDefault
End Sub
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Apr 11, 2008
I've got 3 sheets, A, B, and C. In sheet C, I have a cell named "element". That cell can have either the letter A or the letter B in it. In my VB code, I want to reference the sheet which correlates with the "element" cell. So,
Worksheets("element").Select
when the user clicks my "go" button, it calls this logic, and I want the worksheet that correleates to the letter in the cell in worksheet C - to open.
The reason for my posting - this is not working, and may not even be possible. Perhaps someone has experience in this and knows how to do it - or knows a different way to do this.
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Jun 29, 2008
how to use VBA to write a formula in one sheet that refers to a fixed cell on the sheet to the right. The referenced sheet may have different names and it may be in a different order (i.e. not Sheet(2)) but it will always be one sheet to the right. I just want to have cell A1=(cell B2 one sheet to the right).
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Aug 8, 2008
How do I change the code so that the macro looks up the next sheet (instead of by sheet number, which is how the code was recorded) and transfers data to the summary page until there are no more new sheets. See attached zip.
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Oct 22, 2013
When ever I update my external CSV file and hit refresh all data, I get #REF! Errors. The CSV file has a table that changes daily. Thus the "A" Column has a different number of rows depending on the day. The problem is that Monday the CSV file will contain 700 Rows, while on Friday it will have 200 Rows. I end up with a lot of #REF! Errors friday. How do I write the code so that (A561 for example) does not change regardless if it can reference the target cell or not? I even thought of making a macro that just copied the formula into all of the cells after each refresh, but there must be a better way.
Example code
=IF(A561>0,IF(Start!$H$2="Monday",'calculations-mon-sat'!O561,calculation!O561),"")
=IF(#REF!>0,IF(Start!$H$2="Monday",'calculations-mon-sat'!O567,calculation!O567),"")
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Jun 19, 2014
I'm trying to make a vba that would save the file with the end date that will reference to a certain cell that user selects it. Working Sheet is a name of a File, and Current Sheet is a name of the panel where user will select the date.
ActiveWorkbook.SaveAs Filename:= WorkingSheet("Control Sheet").Range("D3").Value & Format(Date, "yyyymm") & ".xlsm", FileFormat:=51
But here i seem to missing the location
And I tried this one:
ActiveWorkbook.SaveAs Filename:="X:Work2014WorkingSheet& Format(Date,"yyyymm"). & ".xlsm" _, FileFormat:=xlOpenXMLWorkbookMacroEnabled, CreateBackup:=False
but it keeps popping up as 'expected end of statement' for yyymm?
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Sep 7, 2006
I have to convert a range reference in the form of
Range(Cells(1,1),Cells(2,2))
to a reference in the form of
"A1:B2"
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Mar 11, 2008
This seems really basic, but I can't seem to find it...
Using Visual Basic, if I have a named range, lets say like "NAMEDRANGE", how can I refer to cells in that range by their position in the range? For example, if I want to refer to the cell in the 2nd row and 3rd column of the range.
Also is their an easy way to refer to the first(top-left) cell in a named range?
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Jun 5, 2008
Following syntax is incorrect, what is wrong? This should happen: Select op a specific worksheet (named DATA) in the workbook Report.xls and I empty the contents
Then I try with a 'With' statement to read the contents of a file named "sourcedata.xls' with helds a worksheet named "source". The values in this sheet should be tranfered to the sheet DATA in the workbook "Report.xls"
Sub FetchDataFromClosedWorkbook()
Dim FileName As String
Dim SheetName As String
Dim cellRange As String
Const ReportPath = "C:ExcelReports"
Windows("Report.xls").Activate
Sheets("DATA").Select
Cells.Select....................
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