jamesbejon's articles:

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Outputting Plots in Linux 2 6 (3/10/2013 10:36:15 PM) comp.soft-sys.matlab Dear All, I have an application which currently runs on Windows and which outputs a load of Matlab plots to a PowerPoint slideshow, which is quite handy, because it means users can flip through the presentat... james

Handling large code files 11 40 (5/9/2012 8:52:09 AM) comp.soft-sys.matlab Dear All, Matlab's editor obviously has various interactive features. (It colours what you've written, provides auto-complete stuff, etc.). I'm currently working on a script that's 5,000 lines long and count... james

Fitting to match pre-specified means 1 36 (2/21/2012 11:40:12 AM) comp.soft-sys.matlab Dear All, This probably has as much to do with maths and the like as with Matlab. But I'm not so great in either department, so figured I might be able to get some help from someone… % Suppose I have the fol... james

Separating doubles into separate integers 20 39 (1/13/2012 7:51:08 PM) comp.soft-sys.matlab Dear All, I have a matrix 3 cols wide and a good few million rows long. The data is of type int8. I need to do a unique count of the rows of this matrix. I'm minded to do it a bit like this: % Data: x = in... james

Force actxserver to open Excel 2003? 7 30 (6/11/2011 7:33:04 PM) comp.soft-sys.matlab Dear All, I am currently using the command actxserver('Excel.Application') to open an instance of Excel. Problem is, I'm now trying to run my routine on a computer that has both Excel 2003 and Excel 2007 inst... james

P.P.S. 0 36 (4/21/2011 5:50:05 PM) comp.soft-sys.matlab P.P.S. The parameters 2 & 3 specify the 2nd and 3rd 'level' of the struct ... james

Iterating over Structs? 3 31 (4/21/2011 5:40:05 PM) comp.soft-sys.matlab Dear All, I'm sure there's a really nice solution to this, but I'll be blown if I can see it... Suppose I have the following struct: db.a.a.y1.val1 = 1; db.a.b.y1.val1 = 2; db.a.c.y1.val1 = 1; db.a.d... james

SQL 5 34 (3/7/2011 9:07:04 PM) comp.soft-sys.matlab Dear All, I have an application which uses the database toolbox to repeatedly query a plain text file using SQL. (Frustratingly, I can't find the code I modified to do this, but it was on the mathworks.com si... james

Writing to Cells 6 41 (3/16/2010 7:22:23 PM) comp.soft-sys.matlab Dear All, I'm trying to alter the contents of an array of cells. I thought that something like a = {2:5}' b = {3:6}' a{2:end, 1} = b{2:end, 1} would accomplish such a task, but it doesn't. Can someone plea... james

AccumArray usage 7 61 (3/13/2010 4:28:05 PM) comp.soft-sys.matlab Dear All, I'm very new (like a few days) to MatLab, so please bear with me. I want to use AccumArray to aggregate some data. Suppose I have a 30x1 data source which is effectively grouped 1, 2,...,10, 1, 2,.... james

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Aim I having a senior moment or what...??? 6 12 (4/24/2013 12:25:08 AM) comp.soft-sys.matlab DEAL() duplicates all terms in the RHS, is there a shorthand for A=x(1); B=x(2); [A B]=???(x); Am I just drawing a blank or is there only the explicit assignment statements? Seems trivial and after... none1568 (6651)

How to add variables to dataset programmatically? 1 1 (5/14/2013 7:39:06 PM) comp.soft-sys.matlab I know that one can add a new variable to a dataset interactively with something like ds.newvarname = whatever; ....but this syntax is not suitable for adding a new variable programmatically whe... no.email5 (297)

Return a file's owner 3 3 (4/10/2013 6:10:12 PM) comp.soft-sys.matlab Does anyone know how to retrieve a file's owner (aka creator, author, etc.) on a Windows 7 platform with MATLAB 2013a? Googling around a bit, I thought that I could use java.nio.file.Files.getOwner(fullfile(,)... rseltzer1 (2)

randn repeating itself 11 8 (3/28/2013 5:17:11 AM) comp.soft-sys.matlab Dear all, I'm adding noise (Rician) with randn to a synthetic image for post processing. However, for validation reasons, I want to process the image with numerous different instances of the noise model appl... myfakeemail123321 (4)

Shifting NaNs to top of matrix 6 8 (3/21/2013 2:09:13 PM) comp.soft-sys.matlab Hi, I'm trying to do the following: Take this example matrix: test = [nan 1 nan 1 1 1 1 1 nan 1 1 nan] I want to shift all the nans to the top of each column so the... ladidalimey (14)

Sum selected elements of a vector 2 6 (3/14/2013 11:06:06 PM) comp.soft-sys.matlab Hi guys, How can I sum the elements (row 1 + row 2 & row 3 + row 4) of a 4 x 1 vector and have a 2 x 1 vector as output? The 'sum' function does not work as it will sum up all the elements and provide a s... jeffong (1)

Searchnig for a string in a array 5 9 (3/14/2013 8:38:06 PM) comp.soft-sys.matlab Imagine you have the following array A = {100, 200, 'Hello', 'World is here', 'Is'} I need to find position of the cells that contain string 'is', i.e. I want to get ans = 4 5 How do I do it? ... lexps31 (4)

Outputting Plots in Linux 2 6 (3/10/2013 10:36:15 PM) comp.soft-sys.matlab Dear All, I have an application which currently runs on Windows and which outputs a load of Matlab plots to a PowerPoint slideshow, which is quite handy, because it means users can flip through the presentat... jamesbejon (116)

convert a cell array with 'TRUE' and 'FALSE' to numerica dataset with 1 and 0 3 7 (3/2/2013 1:37:23 PM) comp.soft-sys.matlab Hi folks, I have a cell array with with 'TRUE' and 'FALSE'. I want to get corresponding numerica dataset with 1 and 0. How can I do that? Your help appreciated, thanks, Hato ... bhattacharyya.samit (48)

Matlab excel interface 5 6 (3/2/2013 8:04:09 AM) comp.soft-sys.matlab I'm trying to export a huge amount of data(5820 rows) from matlab to excel. xlswrite can't handle this much amount of data. Its returned error code: 0x800A03EC. Is there any alternative? ... daffodiluniqua (2)