Comments on: JMI wrapper – remote MatlabControl

By: Haider

Haider — Fri, 30 Nov 2012 14:36:02 +0000

Hi, I am taking an image as input from JAVA GUI and want to pass that image to matlab custom-function named as abc.m. Its prototype is

function[outputImage,skew_angle]= abc(R,Intensity)

Its takes the image path in 'R' and intensity in 'Intensity' variable. But I am unable to call the function. I am adding the path before calling the function using

addpath

function of matlab from java and then

rmpath

after the calling of the function but matlab command window says:

"Undefined function or variable 'abc(D:\FYP\haider\haider\Image0001.jpg, 0)'."

Any help sooner will be much appreciated. Thanks.

By: Malcolm Lidierth

Malcolm Lidierth — Fri, 05 Oct 2012 12:41:37 +0000

In reply to David. @David I have not used matlabcontrol for a while, but recall you have an option when connecting to either create a new MATLAB instance or connect to an existing one. It sounds like you are electing to create a new one each time. It also sounds like your functions could share a static instance of the MATLAB engine.

By: David

David — Fri, 05 Oct 2012 06:14:31 +0000

Hi!

I have a problem with Matlabcontrol. When I call multiple Matlab functions from Java while running only one application; one Matlab command window opens for every function I call. This leads to having 10+ command windows opened during a simulation and it makes everything very slow. Do you have any suggestions?

By: Yair Altman

Yair Altman — Sun, 29 Jan 2012 23:49:57 +0000

In reply to will. @Will - I suggest that you contact Josh Kaplan (author of matlabcontrol) directly or via the matlabcontrol webpage.

By: will

will — Sun, 29 Jan 2012 23:46:49 +0000

Hi,
Thanks a lot for your efforts! But I’ve got a problem;
In my netbeans 7.0 platform, I used the library wrapper wizard to connect to matlabcontrol.jar. I then created a java class and tried run the source file. I got errors which I believe concern my Java classpath as shown below;

matlabcontrol.RemoteMatlabProxy is not public in matlabcontrol; cannot be accessed from outside package

exception matlabcontrol.MatlabInvocationException is never thrown in body of corresponding try statement
—-

Please please just help me, i’m doing my final year project and the deadline, man… help!
thanks.

By: Yair Altman

Yair Altman — Fri, 21 Oct 2011 08:10:55 +0000

In reply to Misha. @Misha and Naresh - debugging MATLAB via jdb is described here and here. I plan to post an article about this sometime in the coming months.

By: Misha

Misha — Fri, 21 Oct 2011 06:38:49 +0000

In reply to Naresh. Hey Naresh, have you found a solution for Debugging an already-open Matlab session can be done with jdb over a dedicated port?

By: Naresh

Naresh — Fri, 08 Jul 2011 22:30:11 +0000

Hi,

I saw a point in this post which says”Debugging an already-open Matlab session can be done with jdb over a dedicated port” Can somebody please help me in doing this. I am now able to launch single matlab session when i execute RemoteExample. But every time I execute, a new matlab session will appear. But I want a single matlab session to handle every time i run RemoteExample.

Thanks in advance.

Regards
Naresh

By: radioactivepear

radioactivepear — Fri, 06 May 2011 23:00:51 +0000

Hello. I am using version R2010a of MATLAB on a Mac (OS X 10.6). While the local examples in which java is invoked from within MATLAB all work fine, I cannot get the remote examples to work. MATLAB fails to start. For example, I launch RemoteExample.jar and then press “Connect”. Nothing happens, not even an error. In my own java code, calls to getProxy() timeout. Any advice would be greatly appreciated.
Thank you!

By: Sherif Elnabarawy

Sherif Elnabarawy — Wed, 20 Apr 2011 11:40:25 +0000

I tried to compile the source code of the example but it didn’t work , the matlab opens and hangs .. although the downloaded compiled jar works fine ! is there anything i may be missing in compiling ?!
thanks a lot 🙂