i have derived graph in microsoft excel sheet.i want to draw the

tangent line for that graph.but i do not know equation for the graph.

in x and y axis i have some values.i want particular point of xaxis to

draw the tangent line for the graph that would be meet the particular

point of the curve from that point i want to find out corresponding y

value for the graph. please any body know about tangent line for graph

help me.

tangent line for that graph.but i do not know equation for the graph.

in x and y axis i have some values.i want particular point of xaxis to

draw the tangent line for the graph that would be meet the particular

point of the curve from that point i want to find out corresponding y

value for the graph. please any body know about tangent line for graph

help me.

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curve and calculate the slope, as in the way one might calculate

instantaneous velocity on a position vs time graph. I can't seem to do this

using the trendline feature. Can some wise person out there help? Thanks for

your time.

Jon

I want to know if I can make a tangent line from a graph made by 8 xy koordinater, it may be a bit hard to understand, but what I mean is that I have an x value with a corresponding y value, then I make excel make a graph from those values, afterwhich I want it to make a tangent anywhere on the graph.

Any help would be appreciated .

I made a curve by this coordinates

Now i need to make a tangent from a point of the beginning and calculate coordinates of contact my curve and tangent line

I add simple pic, my tangent should look like red line

Does it possible to make it in Excel without a function?

Plz help

1w.jpg

I am trying to build an application to use in surveying. The spreadsheet calculates the beginning point of a curve along a tangent line, then calculates points every X meters along the curve untill it reaches a point at the end of the curve, less than x meters from the end of the curve.

I have been trying to write a looping VBA routing to calculate each point along the curve, and then open a cell beneath the current cell into which to place the next point, compare the point to the current one, and if it is less than the end point of the curve to go ahead with the next point.

This all sounds very confusing to type out, and my attempts have all landed flat on their face. basically my question is is there a way to write a code that will say:

VB:increase=("c4") pointvalue=("last cell with a number in it") If ("last cell with a value in it") = d4 Then endsub Else pointvalue=("Last cell with a number in it")+increase If pointvalue < d4 Then ("Next cell down") = pointvalue ElseIf pointvalue>=d4 Then Next cell down = d4 Loop Until pointvalue=d4If you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

This may have already been covered elsewhere, and if it has, I would thank you to direct me to it, I have briefly searched your site and not found the solution I need.

Thank you so much,

JAG

Well, my problem is that i don't know how to make the envelope of a parabola (pedal curve of a parabola) with tangent lines, in excel obviously

Please, somebody help me...

the gradient of that tangent. Can Excel do that?

R1 10 20 30 40 50 SUM R2 x x x 90 R3 x x 50

In this example, for R2 I want to add up the numbers in R1 only if there is an "x" the same column of R2. So the sum of R2=90 (10+30+50) and the sum of R3=50 (20+30).

Thanks!

(This is my first post, so I apologize for any faux pas)

Anyone can help me on finding where's the error in these lines?

VB:Thank you very much,OLEObject oOLE = Workbook.ActiveSheet.OLEObjects.Add(ClassType:="Forms.CommandButton.1", Link:=False, DisplayAsIcon:=False, Left:=3, Top:=20, Height:=9, Width:=40) oOLE.Interior.Color = vbRed Move And Size With cells oOLE.Placement = XlPlacement.xlMoveAndSize oOLE.Object.Caption = "Ins.riga"If you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

Dani.

I am very new to VBA and this forum so I apologize if my programming is not in line with standard programming techniques (aka inefficient). However, I would love your help. I am trying to increment the row on the Priority Status sheet after I have copied and pasted data (cells L47,M47,N47, R48, S48, T48) from another sheet (where the sheet is dynamically created so the name is unknown). The unknown sheet names are listed in the Priority Status column range (B5 to B30). I can't seem to figure out how to input another For loop to increment the line to paste the data.

VB:Sub Test() Dim c As Range Dim rCell As Range Dim i As Integer Sheets("Priority Status").Select Set c = Sheets("Priority Status").Range("B" & i) For Each rCell In c.Cells MsgBox ("The Project is: " & rCell) Sheets(rCell.Value).Select Range("L47").Select Selection.Copy Sheets("Priority Status").Select Range("C5").Select Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False Sheets(rCell.Value).Select Range("M47").Select Selection.Copy Sheets("Priority Status").Select Range("E5").Select Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False Sheets(rCell.Value).Select Range("N47").Select Selection.Copy Sheets("Priority Status").Select Range("G5").Select Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False Sheets(rCell.Value).Select Range("R48").Select Selection.Copy Sheets("Priority Status").Select Range("D5").Select Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False Sheets(rCell.Value).Select Range("S48").Select Selection.Copy Sheets("Priority Status").Select Range("F5").Select Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False Sheets(rCell.Value).Select Range("T48").Select Selection.Copy Sheets("Priority Status").Select Range("H5").Select Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False Next rCell End SubIf you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

The names that pass all criterias should go to a list.

So I imagined a button that copy the value of the cell and paste it in another cell, then it goes to the next line. So that if I use the copy button again, the first name won't be lost by the pasting of the second on the same cell. They will form a list.

Any ideas on how to do this?

Thanks

VB:this is just simplified code of what I'm looking for. Year is consntatly changing, and there're lables for each year in the code.... I didn't want to write a long code liketest() Dim a As String Dim year As String year = "2010" If a= 0 Then Goto Lable & year End If Lable2010: 'test End SubIf you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

VB:Lable2011 ElseIf year="2010" Then Goto Lable2010 ElseIf year="2009" Then Goto Lable2009 End If Lable2011: Lable2010: Lable2009:If you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

Welcome every one.

I have some data in CSV

I need to open this CSV file via VBS script and add some data in the end of first line and save this file. For example

aaa;bbb;ccc

111;111;111

222;222;222

should be:

aaa;bbb;ccc;ddd;eee;fff

111;111;111

222;222;222

Hot to do it with VBS ? (not VBA)

Best Regards

C

I'm trying to enter a vertical line to my chart to show today's date. I'm using Excel 2003 and have a product serial number with 4 date variable's on the vertical axis with time scale along the horizontal axis.

I'm sure this is probably a very simple solution, but I haven't got my head round it yet.

Many thanks for the help.

Alex

edit - I have an attachment but forgot to attach it after posting. To clarify, the date variable's show the product's serial number manufacture date, 2 inspection dates and a final life limit date. All I want to show is where today's date is displayed across all the serial numbers. Many thanks.

i would like to plot the 1st dynamic line chart as shown in http://peltiertech.com/Excel/ChartsHowTo/StepChart.html

but i never write any excel macro 2010 before, can any one show me one sample of this? thanks!

I have an excel file with data in the form:

"hello

world.This is an

example" within a cell.

I want to replace each

with a new line (Alt+enter equivalent when typing within a cell.)

When I tried to record, this is what I get...

Someone please help me.

VB:BR_Macro() ' ' BR_Macro Macro ' ConvertsIf you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

to new line character in excel ' ' Range("K6").Select ActiveCell.FormulaR1C1 = "Hi" & Chr(10) & "Hello" Range("K7").Select End Sub

Thank you!

I have a small problem I hope some of you guys/girls migth help me with.

I have a continuously updating textfile. Each (lets say 1 second intervals) a new dataset (of 10 rows) is written into this file, at bottom.

I would like to read (at a click of a button) certain lines counted from bottom of this file, and put theese into a list on a worksheet. '

Lets say row 2 and 3 (from bottom of textfile), is put into A1 and B1.

So that next time I press the button, row 2 and 3 (from bottom of textfile), is put into A2 and B2.

Anyone to help a desperate girl with this? I'm quite lost...

http://peltiertech.com/Excel/Charts/...ertSeries.html

I am adding a sample excel document of my date and the chart I have so far. I need to draw a Vertical line across from the present month, which I am not able to do.

Any help on getting this done is highly appreciated.

Thanks,

booo

Here is the screen shot:

The second problem was that vbnewline didnt actually go to new line, but displayed the "new line" sign instead. But i finally managed to fix it, by finding multiline option on the text box.

Is it possible to import each row either VBA or with formula’s and to separate each line, and each part of that lines data into a separate column? To take what I can read in the txt file into excel so I can use the power of excel to keep track.

I have tried these links as well as searching the forum:

http://en.allexperts.com/q/Excel-105...xt-row-row.htm

http://www.cpearson.com/excel

I used this but With different delimiters but it does not end well

VB:I have been at this for weeks.' This prompts the user for a FileName as separator character ' and then calls ImportTextFile. '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' Sub DoTheImport() Dim FileName As Variant Dim Sep As String Dim vStrtRow As Variant, vLastRow As Variant Dim StrtRow As Long, LastRow As Long FileName = Application.GetOpenFilename() If FileName = False Then '''''''''''''''''''''''''' ' user cancelled, get out '''''''''''''''''''''''''' Exit Sub End If If InStr(1, FileName, ".xls", vbTextCompare) Then Dim sh As Worksheet Dim r As Range, bk As Workbook Dim rng As Range, v As Variant Dim rw As Long, col As Long ' importing from excel workbook Set sh = ActiveSheet Set r = ActiveCell Set bk = Workbooks.Open(FileName) On Error Resume Next Set rng = Application.InputBox("Select Area to import with mouse", _ "Select Import Range", Type:=8) On Error Goto 0 If rng Is Nothing Then bk.Close SaveChanges:=False Exit Sub End If v = rng rw = rng.Rows.Count col = rng.Columns.Count bk.Close SaveChanges:=False r.Resize(rw, col).Value = v Exit Sub End If Sep = Application.InputBox("Enter a separator character.", Type:=2) If Sep = vbNullString Then '''''''''''''''''''''''''' ' user cancelled, get out '''''''''''''''''''''''''' Exit Sub End If vStrtRow = Application.InputBox("Enter StartRow or type 1", Type:=1) If VarType(vStrtRow) = vbBoolean Then StrtRow = 1 Else StrtRow = vStrtRow End If vLastRow = Application.InputBox("Enter last row to import or" & _ vbNewLine & "click cancel for remainder of file", Type:=1) If VarType(vLastRow) = vbBoolean Then LastRow = 1000000000 '1,000,000,000 Else LastRow = vLastRow End If 'Debug.Print "FileName: " & FileName, "Separator: " & Sep ImportTextFile FName:=CStr(FileName), Sep:=CStr(Sep), _ StrtRow:=StrtRow, LastRow:=LastRow End Sub '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' END DoTheImport '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' ImportTextFile ' This imports a text file into Excel. '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' Public Sub ImportTextFile(FName As String, Sep As String, _ StrtRow As Long, LastRow As Long) Dim RowNdx As Long Dim ColNdx As Integer Dim TempVal As Variant Dim WholeLine As String Dim Pos As Integer Dim NextPos As Integer Dim SaveColNdx As Integer Dim lnCnt As Long Application.ScreenUpdating = False 'On Error GoTo EndMacro: SaveColNdx = ActiveCell.Column RowNdx = ActiveCell.Row Debug.Print StrtRow, LastRow Open FName For Input Access Read As #1 lnCnt = 0 While Not EOF(1) Line Input #1, WholeLine lnCnt = lnCnt + 1 If Right(WholeLine, 1) Sep Then WholeLine = WholeLine & Sep End If If lnCnt >= StrtRow And lnCnt = 1 TempVal = Mid(WholeLine, Pos, NextPos - Pos) Cells(RowNdx, ColNdx).Value = TempVal Pos = NextPos + 1 ColNdx = ColNdx + 1 NextPos = InStr(Pos, WholeLine, Sep) Wend RowNdx = RowNdx + 1 End If Wend EndMacro: On Error Goto 0 Application.ScreenUpdating = True Close #1 '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' END ImportTextFile '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' End SubIf you like these VB formatting tags please consider sponsoring the author in support of injured Royal Marines

Is this even possible with this text format. Any direction would be greatly appreciated.

many thanks

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