Invert Matrix Mmult & Minverse
Jan 5, 2007
I was wondering if there was a way to show how many characters you have typed in a cell (as you type) either with a msgbox or a formula? It needs to display the Character Count live AS YOU ARE TYPING.
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Dec 31, 2006
I am trying to use an ISERROR function in an array formula, but it doesn't seem to be working. The formula I am using is as follows: ={IF(ISERROR(MMULT(Covar1,MMULT(MINVERSE(BC111:CX158),E161:E208))),0,MMULT(Covar1,MMULT(MINVERSE(BC111:CX158),E161:E208)))}
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Apr 4, 2008
I have two ranges: A1:F1 and A5:A10, 6 elements in each range. When I multiply one by the other I have to enter a formular in some cell (let's say, A14 - we will put the result there): "=MMULT(A1:F1, A5:A10)" and then press Ctrl-Shift-Enter. Very simple.
Question is this: suppose I do not know in advance that I will have 6 elements in each vector, it might be more than 6 or less than six. I will introduce an integer "n", which is the number of elements. Now I have to write a Sub that will perform multiplication. I wrote smth that does not work and I was wondering if someone has ever done this already and can give me a guidance what I am doing wrong. I HAVE ONE CONSTRAINT: I HAVE TO TYPE IN THE FORMULA INTO THE SPREADSHEET VIA VBA (as this will be used further in Solver, which requires formulas to be present in cells).
Y
Sub test()
Dim n
n = 2
Range("A14").Formula = "=MMULT(A1: & Chr(64+n-1)& 1, A5:A & 5+n-1)"
End Sub
I thought it would be equivalent to MMULT(A1:B1, A5:A6).
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May 23, 2008
I have data in cell A1 Salman Amir Ali and i want to result in cell A10
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Oct 8, 2008
I'm trying to highlight a bunch of cells in clusters not close together, and then invert the selection so that all cells BUT these are selected (therefore capturing all possible cells that someone could scroll to). In XL03 you could go to File > Invert Selection and it would work fine. But in XL07 which I have now, there doesn't seem to be a way to do it. Also, when using ctrl^a to highlight everything, and while still holding control in XL03 you could de-select specific cells, not so much in 07. I need to know if there's a way to do it with no macros involved. If not, I need a macro to do such a function on any given worksheet.
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Jun 13, 2007
I would like to freeze the bottom part of my spreadsheet, such that the user can scroll through the upper part but still be able to see the bottom part. The freeze command freezes what is above the line, I want to freeze what is below the line.
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May 4, 2009
I inted to invert stock quotes from newest to oldest but I can't cope with it.
How to invert for example numbers like 2, 10, 3, 15, 1 into the form of 1, 15, 3, 10, 2 ?
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Aug 26, 2007
I have a data chart on 200 people with overlapping membership in 20+ groups, represeted as binary (1=member, 0=notmember), for example: ...
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Aug 22, 2008
Using VBA, I wish to work out the inverse matrix of a large matrix (100*100), but keep getting the # Num! Error. I am using the minverse function. I have defined variable as "variant", does this give me the same possiblities in terms of number size as the variable "Double"?
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Jun 14, 2013
I have 10 columns and five rows worth of data in each of those cells
What I really want out of that spreadsheet is 50 rows and only one column
I want to transpose or invert the data so I can apply some formulas in an easier manner
Is there a command to do that.....not too familar with that transpose feature
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Mar 21, 2014
For a table like the one below produced for the sake of example (actual is much much bigger) I want to make it list rows that are true for a certain column for a certain variable in the matrix. So for say water terrain, which types of activity can I do i.e. swimming. Or for Offroad the activites which I can't do i.e. Run and Swim.
ActivityWaterRoadOffroad
Jog nym
Run nyn
Walk nyy
Swim ynn
y=yes
n=no
m=maybe
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Apr 29, 2013
Below there are all the information needed to understand my problem.
M(1 to R,1 to C): matrix with R rows and C columns [element known]
M(i,j): elements of the matrix M in position i(row)-j(column) [element known]n
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Jan 26, 2013
I need to get the fee value, if I write "Name" and "Time".
Please read the simple example file named "Fee from matrix".
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Jun 15, 2009
Given one array variable (matrix n x n) M, I want to use the function sum, to sum along the rows.
I can use Application.WorksheeFunction.Sum(M)
but this will sum all the elements
and I would like smtg like this
Application.WorksheeFunction.Sum(M(1,)
Just sum the first line, or the i-th line.
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Jan 16, 2006
I have code to create a correlation matrix (NxN, where N is the number of columns). This is done by selecting an area that is NxN, entering the function and range, then hitting ctrl +shift + enter (array formula).
However, I want to convert this to accept VBA arrays, rather than a data range, and give the output in form of an array as well.
VB:
Function CorrmatK(dataRange As Object) As Variant
On Error Goto 20
Dim r As Integer, n As Integer, rr As Integer, i As Integer, j As Integer, k As Integer, doit As Integer
Dim x() As Variant, mc() As Double, ss() As Double, m() As Double, ob As Object
r = dataRange.Rows.Count
n = dataRange.Columns.Count
[Code] ......
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Jan 29, 2009
I NEED some code to convert a matrix to a singel column and it should be reversed to!
see attachment!
example:
FROM:
A1 B1 C1 D1
A2 B2 C2 D2
A3 B3 C3 D3
TO:
D1
C1
B1
A1
D2
C2
B2
A2
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Mar 29, 2009
I have to create a matrix from columns in this format:
A1 A2 1
A1 A3 4
A1 A4 6
A1 A8 4
A2 A5 2
A2 A8 3
with a lot of empty cells (here, for exemple A1,A6 & A1,A7 ) and (A1,A2) = (A2,A1)
I'd like to have :
_ A1 A2 A3 A4 A5 A6 A7 A8 .....
A1 0 1 4 6 0 0 0 4
A2 1 0 0 0 2 0 0 3
etc
The source data is in the attachment. Would it be possible to do it automatically?
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Nov 23, 2009
I have this code to take an area of data and perform the SUMXMY2 formula and output the results to another sheet. My problem is that the results are being outputted in a semi-matrix and i needed them in a column so i can them perform a sort. Is this possible and can anyone shed a light on the best way to do it?
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Jan 23, 2014
I'm trying to do the inverse matrix of a matrix captured by an inputbox, but it doesn't work
This is the code:
Code:
option explicit
option base 1
sub matrix()
Dim M() As Double
Dim B() As Double
Dim Y() As Double
Dim columnas As Range
[code]......
the error is: Error 13 the types do not match
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May 23, 2007
I have a matrix A with 12 rows and 10 columns. My problem is if in the cell(i,j) there is data then the same data should appear in a similar matrix B, but in a cell which is 15 cells behind the cell(i,j).
That is it should start counting upwards from cell (i,j) in B and once it reaches the top of the matrix it should continue counting from the bottom of the immediate left column and go up. When it reaches the 15 cell from cell(i,j) in b, it should print there the value that was in cell(i,j) of A.
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Mar 4, 2010
I am trying to figure out a better way to do my mileage for when I drive for work.
Currently I need to look at a sheet and see where I started and where I stopped and then I’ll see the distance.
Kinda look something like this.
Home
Work
School
Home
031Work
304School
140
What I would like to do is type in the “to” and “from” cell and have it automatically know the miles based on the chart above.
DateToFromDirectionTimeMiles3/4/10Home
Work
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Jul 25, 2006
I wasn't able to attach the file because it was too big, but you can download it from here www.easygcc.com/correl.rar. On the sheet called " Correlation" there is matrix, I am baiscally trying to fill in the correlation formula into every cell so the matrix is filled out. The data for the correlation calculation comes from the sheet called "Tech Data". I have filled in the correlation formula into a few of the cells as an example, but I don't want to continue doing this manually but rather have a macro do it for me. Otherwise this will take for ever. My macro is also a part of the file, if you would liek to look at it and maybe fix what I already have.
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Dec 4, 2006
I have a 5 x 5 matrix. When values are entered in 2 cell there needs to be a matrix lookup and the corresponding value needs to be entered into the 3 cell. Example :
- A B C D E
V 1 2 2 3 3
W 2 2 3 3 3
X 2 3 3 4 3
Y 3 3 4 4 5
Z 3 3 4 5 5
So if X and D are entered into the 2 cells the 3rd cell should show 4.
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Feb 14, 2007
I would like to do the following transformation in excel:
imagine the following matrix:
1 2 3
4 5 6
I would like to transform this into:
1
4
2
5
3
6
This is a simple version of my matrix, in reality it is much bigger, and I do not want to copy paste each column by hand. Any ideas?
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May 1, 2014
I'm trying to create a risk matrix like the attached example. I want to be able to enter a value and to have it to appear in the right quadrant.
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Jun 22, 2008
I'm running a small messenger company and I've got a geographic area divided into five zones: 1,2,3E,3W,& 4
Deliveries within 1 zone will be charged for one zone.
Deliveries from Zone 1 to Zone 2 will be charged for 2 zones. Etc.
I've got a list of zones in my From column and also in my To column.
I need to write a formula that will give my customers the Zones Charged in a seperate cell.
I learned how to do something like this back in school, but don't even know what to call it anymore. Maybe it's some kind of comples IF function.
FREE Deliveries to anyone in Long Beach, CA to the winner!!!
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Feb 17, 2009
On my example sheet it shows how many cables and how the cable length per job. What i need is for the hour/job column to be populated from the Hours sheet by matching the column and row. e.g 4 cables at 40 metres would give me cell D7 (27.89), as 25 metres would be no good - so rounding up would be required.
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Apr 7, 2009
I need a function that can get, from a matrix, the first number that is higher than the number in a given cell.
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Feb 12, 2013
I'm struggling to find the right Excel functions to fill up a block matrix. Here are all the details of my problem.
I have a list of firms and relative products. Each firm can produce either 1, or 2 or 3 different products, for instance
firm A produces product x
firm B produces products y and z
firm C produces product j
firm D produces products k, h and q
Suppose the data appear on a sheet in column order, that is, one column for the firms and one for the products with a space between A, B, C and D when one firm is a multi-product producer. I need to create a 0-1 block matrix in Excel setting 1 when the product is produced by the same firm and 0 otherwise, i.e. for the above example
x y z j k h q
------------
1 0 0 0 0 0 0
0 1 1 0 0 0 0
0 1 1 0 0 0 0
0 0 0 1 0 0 0
0 0 0 0 1 1 1
0 0 0 0 1 1 1
0 0 0 0 1 1 1
I can do this in VBA but not in Excel, and unfortunately I need to provide an Excel solution.
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Jun 4, 2014
I need to convert a Matrix to a Table. Something like this:
Input file:
Capture1.PNG
Output :
Capture2.PNG
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