How To Generate Matrix
Oct 23, 2009
I want to generate a matrix (7,4) with this output: (7lines and 4 columns) that has this structure(with this values)Column A1 and row B1 has 2 values (1 8 ), column A2 has 2 values (2 7 value in column A2) , column A3 has 3 6 value column A4 and row B1 has 4 5 value. And so on.How I can generate this matrix: [code] So my question is which condition to put to generate this matrix of this form.A cell A1,B1 contains two values (1 and 8 for example in cell B1).
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May 7, 2012
So I'm developing a minesweeper game and i've assigned the mines, but I've got to generate the numbers around them. I've already developed the code, but it doesnt seem to be working.It's important to refer that I'm using a DataGridView.Here's how my code looks like now:
Declaring my variables:
Public line As Integer
Public column As Integer
Public numbandeiras As Integer
[code].....
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May 7, 2010
i want to generate a code with 2d-dynamic array to make a matrix?
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Jul 18, 2012
i have some problem for developing the code for addtion of 3x3 matrix class the code which i have develop is given below. but this class is not executed in vb.net code. dont know whats getting wrong in it as m nt getting the required result. in correcting the code as m new in vb.net.
[Code]...
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Mar 15, 2012
This is my matrix. I want to solve C,D and E
sample codes to solve C, D and E in VB.Net?
Answers are C=0.4857143, D=0.0000000 and E=-0.1428571 (manual calculation)
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Sep 3, 2009
how do i use pdfptable as a real table (A x B) instead of just (A x A)
declaring it this way gives me just one row:
Dim datatable As PdfPTable = New PdfPTable(4)
how can i declare it so that it has multiple rows and multiple columns?
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Feb 24, 2009
I want to know if there is function to know whether the printer you are printing on is a dot matrix?
Our official receipt is printed in a dot matrix and must not be printed on any other kind of printer.
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Jan 23, 2010
I have a matrix:
Module Procedimientos
Public Datos(200, 4) As String
Public Sub Inicio()[code]....
It is a Class made with the Add Windows Forms Menu.I have another Form where I added from the ToolBox the DataGridView Item.
Everything till now works like a charm, the problem comes when I try to load the matrix (previously posted) into the DataGrid. I search for the matrix via DataSource Button (from DataGrid's Properties) but I can't find it, it'll only show up the other forms. I don't know what I'm doing wrong.
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Aug 9, 2010
I have a huge matrix that has million columns and thousands of rows in a plain text file. The file maybe have 50GB size.
I want to transite the matrix and save it to a new file.
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Jun 20, 2009
I've been looking into this problem for a few days now and i can't find exactly the code that i want.I want to run a procedure using an incrementing matrix. If the Matrix that was used is correct then the correct matrix is shown.
the process is get first iteration process if incorrect repeat with next iteration correct end the issue is with the iterations and breaking out of them the matrix length, depth and iteration step can vary.
this is best shown in an example
length = 5
high = 3
low = 0
step 1
the iterations should look like
[Code]...
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Aug 9, 2009
i am using TVS-MSP-250 Champion printer,i did a billing project all wrks and prints perfectly,but my client ask me to print tamil quatotion at the bottom of the page how can i print tamil characters in dot matrix,i used font such as amutham,saiindra,etc all are true type font i also try a method print#1, chrw(&HAB) it display tamil in msgbox, because i set window msgbox font as saiindra, if i print by using txtbox such kind of characters are print,no option to change font in printer properties,the default font in dot matrix printer is roman
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Apr 8, 2009
here i am again asking for you assistance. what im trying to acheive is a datagriview that behaves like a matrix.ie. i have the following table
ProductName, ProductRegion, ProductType
Test1, RegionTest1, TypeTest1
Test2, RegionTest1, TypeTest2
Test3, RegionTest1, TypeTest3
Test4, RegionTest2, TypeTest1
Test5, RegionTest2, TypeTest2
what i need in output is something like the following:
<...........> RegionTest1 RegionTest2
TypeTest1 Test1 Test4
TypeTest2 Test2 Test5
TypeTest3 Test3
p.s. i would also need to be able to save it back to the database p.p.s cross posted on "vb dot net forums". but no replies in a while so im posting the same question on this forum.
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Feb 11, 2010
I am trying to develop this application Using Visual Basic 2008. I hope I am posting my question in the correct forum. (Still confused about the difference between VB.net and Visual Basic) Anyways....I am trying to assign the data from my datagridview to a matrix. I donot know if this is possible in VB2008. The data in my datagridview is dynamic and I am trying to assign 2 matrices to my data.[code]...
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May 24, 2010
Here's the code i'm using to rotate:
Dim m As New System.Drawing.Drawing2D.Matrix
Dim size = image.Size
m.RotateAt(degreeAngle, New PointF(CSng(size.Width / 2), CSng(size.Height / 2)))
Dim temp As New Bitmap(600, 600, Imaging.PixelFormat.Format32bppPArgb)
Dim g As Graphics = Graphics.FromImage(temp)
g.Transform = m
g.DrawImage(image, 0, 0)
(1) Disposals removed for brevity.
(2) I test the code with a 200 x 200 rectangle.
(3) Size 600,600 it just an arbitrary large value that I know will fit the right and bottom sides of the rotated image for testing purposes.
(4) I know, with this code, the top and left edges will be clipped because I'm not transforming the orgin after the rotate.
The problem only occurs at certain angles:
(1) At 90, the right hand edge disappears completely.
(2) At 180, the right and bottom edges are there, but very faded.
(3) At 270, the bottom edge disappears completely.
Is this a known bug?If I manually rotate the corners an draw the image by specifying an output rectangle, I don't get the same problem - though it is slightly slower than using RotateAt.
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Mar 29, 2011
Question: I have data that I retrieve from a database, which looks like this: Now I need to transform it to the below format, in order to be able to draw a piechart. In ReportingService, there is the Matrix control to achieve this, but what can I use to achieve the same in ordinary C#, in order to render it to a PieChart image ? Note that the number of buildings as well as the usage-types is variable and not known ahead of time.
[Code]...
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Apr 15, 2012
is there a library for the matrix like the library of the complex numbers for example?
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Jun 4, 2010
I really need to create very huge 2D matrices such as 5x5, 10x10, 7x7 and use them for basic Matrix calculations involving Matrix multiplication, Transpose and Inverse.
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Jul 18, 2011
I want to create a (3n*7) Matrix in python through Iteration, I did this in VB.Net and it worked but it gives me some challenge in Python as this a new language to me. n can be the number of Iterations to build up the matrix, i.e. ; if u iterated 3 times, the matrix will be a 9*7 matrix. Here is how I did it in VB.Net. :
[Code].....
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Jul 31, 2011
I am writing a small aspx web application that takes in forum information after validation and then opens a database connection and populates the proper columns with data.note: The database is a .sdf file created in web matrix My issue is that even with: Import Namespace="System.Data.OleDb" on the page I am getting:
Type 'OledbConnetion' is not defined. I am extremly new to VB, I am coming from java and honestly I do not have all year to read vb code and take classes and read books. I need to finish this app for a client so I am kind of rushed.
[Code]...
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Feb 16, 2012
My objective is to select specific positions in a moving matrix of a fix range with VBA for Excel 2003. The fix range is about 5 or so columns wide and has a few thousand rows. I select a matrix of 5 to 7 rows and same number of columns. I choose a specific position number in this matrix, write that number in another sheet and move on the next matrix just below where I do the same, and this until the last line of the range.
I've tried to write a loop function but this seems to take a lot of execution time.
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Aug 10, 2011
I want to print text line by line by passing raw text per line to dot matrix in vb.net. Is that Possible
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Nov 15, 2011
How can I make a matrix with strings (5 by 5)?
E.g. I want something like this:
a b c d e
f g h i j
k l m n o
p r s t u
v w x y z
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Dec 31, 2010
I'm going to start with a program, and give away bar codes, that they import, then unlocks something.
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Dec 20, 2010
I have a string builder that has a structre like[code]...
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Aug 27, 2010
just hoping that someone may be able to point me to some information where I can create VBA objects in vb.net (I am using VS2008). For example, I would like to create a new object in VBA with the command (Dim x as Matrix) where 'Matrix' is an object with various properties and methods.
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Dec 8, 2011
I define 3 arrays: ID(n), Hour(n), Showed(n). If Hour(i) = actual time, I get the data pointed by ID(i), if not Showed(i).
BUT... I can add new hours or modify some existent, but I need to have the Hour array sorted. If I sort this array, the ID and Showed will point to different data.
So I though some different solutions:
1 - To make a string array with all inside (a 7 characters ID, a 5 characters Hour and 1 char for showed (T or F)). It could work, but, how can I sort the middle part of the array (Hour)? So, this don't work.
2 - A 3 dimensions "multitype" matrix (1 dimension of type Integer, the second of type Date and the third of type Boolean). I have no idea about how this can be done.
3 - A 3 dimensions string matrix, some like the "all inside" array: ID converted to a fixed size string, hour converted to a 5 chars string (hh:mm) and Showed converted to T or F. And sort the second dimension.
4 - Sell my copy of Visual Studio and drive a taxi cab
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Jul 5, 2010
I'm asking this question here, in this forum, as I couldn't find MSDN Managed forum for Crystal Reports. And the previously asked questions are unanswered. I've developed an application using VB.NET and Crystal Reports in VS2008. The report generated gets printed correctly on modern laser or inkjet printers. However, the entire formatting gets affected when I print these reports on dot matrix printer. Apart from that. the print speed is very slow. I tried exporting the report to PDF, XLS, DOC and other formats - but no solution. There was Export to Text function, which is not working in Crystal Reports now.
[Code]...
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Dec 29, 2011
I have a picturebox inside a panel with scroll bars.
I can zoom in or out the image in the picturebox by changing the PictureBox.Size, and the scrollbars update automatically.
How do I convert coordinates in pixel returned by the PictureBox.MouseMove event into image coordinates when the scrollbars value is not zero and the PictureBox.Size is not the original?
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Apr 9, 2011
Every one I want to Overload Operators for Matrix Operation in Vb.net I am trying it to do, but as i am new to VB.net
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Apr 8, 2010
i need to print word document with Dot net matrix printer
so the font should be default printer font
how to done this
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