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Chuck37


105 total contributions since 2010

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Question


Can I get a handle to individual bars in barh?
I'd like to have a separate callback for each bar in a barh plot. Can I get an individual handle to each for this purpose? I t...

3 days ago | 1 Answers | 0

1

answer

Question


How do I codegen rand() so the seed is set off the clock, or otherwise not the same every time?
How can use codegen to make executables that don't make the same random numbers every time? rng('shuffle') and clock() are both...

9 days ago | 1 Answers | 0

1

answer

Question


Disp function with matlab coder
I'm experimenting with a simple hello world function to see how the coder works. disp('Hello world') The mex version works...

9 days ago | 1 Answers | 0

1

answer

Posted


Parfor with reduction variable into mex using codegen
Can codegen manage parfor loops with a simple reduction variable? I'm running into trouble with the most simple of examples, I ...

4 months ago | 402 views

Posted


Failed to start parallel pool
Started getting this error when trying to start a parpool (local) under linux. It used to work. In addition to the above messa...

1 year ago | 1460 views

Answered
python reload() function matlab 2014b
Not being able to reload edited python is a real drag. I hope they fix this soon. Restarting matlab takes too long to fit into...

2 years ago | 0

Posted


Memory usage
Running 2014a under linux and a certain script is consuming huge amounts of memory when I watch top. When I run whos at the pro...

2 years ago | 918 views

Question


How to change contourf facealpha in 2014b ?
My current code grabs the children and changes their facealpha, but this no longer works in 2014b. I see I can dig down into "F...

2 years ago | 0 Answers | 0

0

answers

Question


MATLAB seg fault during codegen
It's not unusual for codegen to generate code that will seg fault, but I now have a case where I get a seg fault during codegen ...

2 years ago | 1 Answers | 0

1

answer

Posted


Parfor breaks when running from command line
I have a script with some parfor statements in it. It runs fine, but recently we wanted to run from the command line ( e.g. mat...

2 years ago | 826 views

Posted


Ctrl-C killing matlab?
I have a pretty intensive MEX file that I'm calling over and over via matlab script. For some reason, when I try to halt the sc...

2 years ago | 812 views

Responded


Re: Unrecognized compiler pragma warnings on startup
Correction to my question. The error comes with the matlabpool(10) comand, which is located in startup.m. So it has nothing es...

2 years ago | 1289 views

Posted


Unrecognized compiler pragma warnings on startup
Switched to 2013a recently and now every time I start matlab I get about 10 warning blocks to do with "interactiveClient.m" and ...

2 years ago | 1289 views

Responded


Re: parfor "out of memory during serialization"
I'm 2012b right now. Sounds like I should upgrade. This is the second issue I've head that is improved in later versions.

3 years ago | 1920 views

Posted


parfor "out of memory during serialization"
What causes this? I start long simulations overnight and sometimes have this in the morning, which is quite annoying. It may b...

3 years ago | 1920 views

Posted


Parfor: temp variable uses value set outside parfor loop
This mlint error has been plaguing me. I finally got a toy version to give the same error. It's complete gibberish, but it dem...

3 years ago | 1794 views

Posted


Parfor temp variable
I have a parfor loop that was working fine, then I added a little bit of additional code and now I get this warning at every ite...

3 years ago | 1240 views

Posted


What is mlint doing here?
I have some code like this: Mi = inv( a 2x2 matrix ); for x = 1:hugeNum end Mlint complains at the line inside the loop where ...

3 years ago | 903 views

Posted


GPU Test
I have the parallel toolbox and wanted to get a sense of what could be done using a GPU. I have a GT 520 GPU, which I think is ...

3 years ago | 1607 views

Posted


MATLAB waits if on different linux desktop ?
Hopefully this isn't too confusing to explain. I have two instances of Matlab running under linux, each in a different desktop ...

3 years ago | 921 views

Posted


Check keyboard without stopping?
I have a huge simulation that takes a long time to run, so I watch in real time. I'd like a way to get into debug mode when nee...

3 years ago | 1517 views

Posted


Java heap space
I'm trying to work with a large java object, about 5 GB. It will populate itself from file, and sometimes this works but often ...

3 years ago | 1714 views

Responded


Re: Why does parfor fail here?
I did and I don't think it answers my question, or else I don't understand what you are trying to say. The stuff inside the par...

3 years ago | 2414 views

Responded


Re: Why does parfor fail here?
Modify it just slightly, so it is (slightly) less like nonsense: parfor x = 1:2 end All I changed was "b" to "b(x)". The inte...

3 years ago | 2414 views

Posted


Why does parfor fail here?
This is gibberish but causes the failure I'm seeing: parfor x = 1:2 end If parfor is replaced with for it works fine. With p...

3 years ago | 2414 views

Question


Can't open matlabpool ?
It used to work, but now if I type matlabpool(10) it fails. The error (can't paste it, on another network) says: Failed to o...

4 years ago | 1 Answers | 0

1

answer

Posted


MEX files Matlab version dependent?
I have some mex files I made with codegen and they run fine for me running 2012b. If I try to run them on the same machine usin...

4 years ago | 2585 views

Responded


Re: Stuck on format long
Thanks, but that was the first thing I tried. There was none. If it matters, this is a linux install.

4 years ago | 1950 views

Posted


Stuck on format long
I have no startup file, yet every time I restart matlab it goes back to long format even if I changed it to format short right b...

4 years ago | 1950 views

Responded


Re: Confusing spmd error
I feel pretty stupid, but I was able to finally observe similar behavior outside SPMD. It seems that somehow the warnings are d...

4 years ago | 1717 views

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