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Yaroslav Bulatov


26 total contributions since 2009

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Responded


Re: indexing question
Thanks, that works. Interestingly, for a 480x480 arr and 100x2 mx2 this method is about 20 times slower (using single tic/toc me...

7 years ago | 2005 views

Posted


indexing question
Suppose I have an mx2 array of row,col values. What is a good way to zero out elements at those locations in an array arr?

7 years ago | 2005 views

Posted


Compiling m-scripts that have "import" statement
Has anyone ever tried compiling m-scripts that have "import" statement? In 2009a and JA Builder I get "Unable to determine funct...

7 years ago | 1513 views

Responded


Re: libmwmclmcrrt
One way to cause this error while making it seem like LD_LIBRARY_PATH is set is to use "a=b" syntax to set variables instead of ...

7 years ago | 27892 views

Responded


Re: Thresholding Video Frames
On Aug 19, 10:18 am, Robbie Plankenhorn <rplankenh...@gmail.com> You can split the video outside of matlab, and then analyze fr...

7 years ago | 3564 views

Posted


Using JA Builder on function that uses Java
When I compile my project using JA Builder in Matlab 2009a, I get the following error "Unable to determine function name or inp...

7 years ago | 1463 views

Responded


Re: Thresholding Video Frames
I had a similar problem, ended up using mplayer on Ubuntu to split the file -- mplayer -vo jpeg ../DSC_2133.AVI

7 years ago | 3564 views

Responded


Re: image registration
vl_sift of VLFeat package may be useful

7 years ago | 2088 views

Posted


dynamic datastructures in Matlab
What is a typical thing to do when you need dynamic datastructures (like Map or Stack) in Matlab? For instance, suppose you need...

7 years ago | 1157 views

Responded


Re: popupmenu disappears
On Aug 12, 12:10 pm, "Paul Tassinari" <paul.m.tassin...@gmail.com> Perhaps this is related? http://www.mathworks.com/support/bu...

7 years ago | 1289 views

Responded


Re: uneven illumination correction
help page for "imtophat" has an example of adjusting to uneven illumination

7 years ago | 7479 views

Responded


Re: Syntax question
My code got wrapped for some reason, it's more like http://pastebin.ca/1519404

7 years ago | 901 views

Posted


Syntax question
I'm getting a syntax error in the code below...I'm suspecting it's because of comments...is there an alternative way of commenti...

7 years ago | 901 views

Posted


dropdown buttons stopped working
I'm on MacOS 10.5.7 and recently my dropdown buttons stopped work (like the Cell Mode section selector). When I click it display...

7 years ago | 2442 views

Posted


plotting with variable marker sizes
I have an array of x coordinates, array of y coordinates, array of marker sizes and I'd like to draw markers at given points wit...

7 years ago | 1090 views

Responded


Re: ERROR MESSAGE
This solution worked for me, with the addition that I needed to delete *.xml files in ~/.matlab/R2009a directory

7 years ago | 40922 views

Responded


Re: Has cell mode improved in recent releases?
I'm on Matlab 2009a in MacOS and none of those seem to be fixed. The first one is mitigated by the fact that syntax errors are m...

7 years ago | 1320 views

Responded


Re: Syntax question
In a simpler example -- f=@() struct('a',1);f().a gives "Improper index matrix reference." Why isn't this allowed? Unlike f()(...

7 years ago | 3772 views

Responded


Re: Converting current figure to rgb image
Thanks, a pause indeed fixed the problem

7 years ago | 4739 views

Posted


Converting current figure to rgb image
What is the recommended way of converting the current figure to an rgb image? I tried getframe() as a way to capture several fi...

7 years ago | 4739 views

Responded


Re: Syntax question
Thanks for helpful replies. I ran into another syntax snag, can someone explain the following failure? % this fails with ??? Un...

7 years ago | 3772 views

Posted


How to find type of a variable?
Workspace window doesn't always give type of variables...is there a command to find out type of a given symbol?

7 years ago | 69031 views

Posted


Syntax question
Coming from Python/Mathematica background, I'm tempted to do the following im=imread('image.jpg') size(im)(1) This fails. What ...

7 years ago | 3772 views

Posted


Getting line numbers for errors in cell mode
When I get an error on an evaluation in cell mode (using %%), instead of line numbers I get ???, even if the file is saved on di...

7 years ago | 4477 views

Responded


Re: Displaying grid of images
Thanks, that worked. Code below displays images from a directory in a 3x3 grid close all; root='9sample/'; wildcard=strcat(roo...

7 years ago | 10135 views

Posted


Displaying grid of images
How can I display a grid of images with no space between the images? I've tried subplot->imshow->subplotspace, but it's hard to ...

7 years ago | 10135 views