roberson2's articles:

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the problem of constants 6 54 (6/5/2008 9:44:52 PM) comp.soft-sys.matlab How do people deal with program constants? I should clarify that some of these "constants" are expressible as literal constants, but others need to be constructed by some simple operations upon literal constant... roberson

callbacks / recursion limit 5 53 (1/14/2008 11:01:55 PM) comp.soft-sys.matlab I have a callback tied to a slider, and the callback takes a noticable time to execute. If I hold down the mouse button on the slider arrow, events are repeatedly generated, triggering the callback a number of ... roberson

OT: postings quoted without attributions 19 48 (1/4/2008 9:35:07 PM) comp.lang.c I have noticed that some web sites are importing discussions from comp.lang.c and using them without attribution -- with the original posting headers stripped off, so that authorship becomes unknown. The effect... roberson

extending UT to symmetric 0 59 (9/18/2007 9:43:49 PM) comp.soft-sys.matlab If I have an upper (lower) triangular matrix, is there a built-in routine to extend it to symmetric? For example if I am calculating a symmetric matrix, I only need to do the costly calculations once and then m... roberson

No reply to your posting? Check google 4 49 (9/9/2007 6:02:58 PM) comp.soft-sys.matlab [Note: The following is based upon my personal experience, and is *NOT* a communication from Mathworks.] A heads-up for those who have posted questions (especially via MatlabCentral) and have not seen any resp... Walter

A bold pirating request 2 50 (7/4/2007 2:50:39 PM) comp.soft-sys.matlab Found in my mailbox this morning. :( The return address was in Philippines but I have snipped the identifying information here. " Hi Walter, will you help me... we need this MATLAb programming language here in... roberson

Careful, Mathworks is listening! 1 71 (6/8/2007 5:06:57 PM) comp.soft-sys.matlab In one of my obscure posts a few weeks ago, I happened to mention that a particular piece of 'doc' documentation did not agree with the 'help' documentation for the same function. It was a piece of information ... roberson

findobj -regexp documentation error? 4 54 (5/15/2007 10:59:22 PM) comp.soft-sys.matlab The doc information 'Accessing Object Handles :: Handle Graphics Objects (Graphics)' has the section, Limiting the Search with Regular Expressions. Increase the value of the MarkerSize property by 2 poin... roberson

simple array to cell conversion? 6 59 (5/15/2007 8:38:58 PM) comp.soft-sys.matlab If I have a vector of values (of indefinite length), say T1 = [1 3 5 9], is there a simple way to convert it to the 1xN cell, say T2 = {1 3 5 9} ? Note that this is {[1] [3] [5] [9]}, not {[1 3 5 9]}. At the m... roberson

text render size ? 6 57 (3/22/2007 5:29:47 AM) comp.soft-sys.matlab I am trying to size some uicontrol()'s as small as will fit everything including the String. (This is related to computed positioning of multiple controls instead of hard-coding their relative positions.) I ha... roberson

roberson2's replies:

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B = blkproc(A,[m n],fun) 4 56 (10/13/2008 8:27:02 PM) comp.soft-sys.matlab Can some body tell me how this function operates especially that it is not clear in the documentation. I just need to understand WHERE will the function be applied on "A". Say we have [3 3], will the function ... abder.rahman.ali (180)

URGENT: Read text file and save matrices 7 46 (10/13/2008 10:30:20 PM) comp.soft-sys.matlab Hey guys I want to be able to read a bunch of files with the following type of structure but they all have different data dimensions. 3 10 81 79 85 97 91 75 60 98 79 56 74 74 64 86 90 59 98 74 53 56 50 90... diegozbb (116)

adding up values from multiple plots 1 75 (10/14/2008 4:29:02 AM) comp.soft-sys.matlab Hello, Is there anyway i can add up up all the values from multiple discrete function plots without going through all them and looking at all of their values and manually adding them. thx in advance. ... garlicenator (1)

Olivia 2 62 (10/28/2008 5:39:02 PM) comp.soft-sys.matlab Hi there, I'll be grateful if someone can help me out. I'm trying to model a technology. I carried out the measurements using its signals and wrote the modelling functions wrt the power delay profile according... livianf (1)

isfinite to find max w/o including Inf 1 75 (10/28/2008 5:42:02 PM) comp.soft-sys.matlab Could someone please tell me whats wrong with my code? h = MTT{m}(MSchJ{m}(end),:); MAXP = [MAXP; max(h(isfinite(MTT{m}(MSchJ{m}(end),:)),1))]; This is the error I get: ??? Index exceeds matrix dimensions. ... diegozbb (116)

Extracting color names from RGB vectors 6 54 (10/28/2008 7:32:44 PM) comp.soft-sys.matlab Is it possible to extract color names using a function f1 such that f1([0 0 1])="Blue" ? Does f1 exist ? I am automating latex report generation and would like this functionality (like for comments such " ... ... spammers-begone (169)

num2cellstr 3 67 (10/28/2008 8:21:01 PM) comp.soft-sys.matlab is there a function that converts an array of numbers to a cell array of strings? num2cell converts array of numbers -> cell array of numbers num2str converts array of numbers -> char array (but not cell array)... jmsachs (76)

two matlab's give different values 7 54 (10/28/2008 8:52:01 PM) comp.soft-sys.matlab My friend and I are trying to duplicate answers for a homework, and even though we do the same values, we get different answers: s = 0.0016 0.0016 0.0016 0.0025 ret = 0 0.0400 gm... phubaba (3)

Sound programming 17 44 (6/7/2009 8:42:55 PM) comp.lang.c Hello I've got interested in learning some basic sound programming bits in C... mainly I want to know how to go about accessing the sound devices - reading from them mainly - in windows and linux... I'd kind o... spamtrap7 (71)

Read Image from RAW (image data before demosaicking) 2 647 (6/28/2010 4:57:08 PM) comp.soft-sys.matlab Hello, Does anyone know how I can open a RAW image (preferably .RWL taken from a Leica camera) such that I can see the data straight from the sensor before color interpolation? For example, for pixel 1,1 I ... Jack