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Andreas Schwager


Last seen: 6 days ago |  Active since 2015

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prevent ros.BagSelection accessing bag.file when being loaded
Hi, I use a struct containing multiple ros.BagSelection-Objects. The ros.BagSelection-Objects are created by: myBag = rosbag('...

12 months ago | 1 answer | 0

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answer

Question


How to pick the content out of a ROS Point message?
Hello, How to pick the content out of a ROS Point message? Or how to get members out of a cell arry into a simple array? Th...

3 years ago | 1 answer | 0

1

answer

Question


open Linux Konsole from Matlab
Hello, on Ubuntu 18.04 shell typing konsole & a new window with console opens, as expected. In Matlab typing [status, cm...

3 years ago | 1 answer | 0

1

answer

Question


How to launch RVIZ from Matlab?
Hi, I'd like to launch RVIZ from Matlab. RVIZ runs in a separated window and will be started using the system command. The f...

3 years ago | 1 answer | 0

1

answer

Question


Error loading matlabprefs.mat
Hallo, there is an error: MATLAB:load:notBinaryFile Unable to read MAT-file /home/myUser/.matlab/R2021a/matlabprefs.mat. Not ...

3 years ago | 2 answers | 0

2

answers

Question


how to receive ROS Topics in parallel workers?
Hello, I try to run my ROS-Nodes and callback subscribed to topics in a parallel worker. Unfortunately my Callback is never l...

3 years ago | 1 answer | 0

1

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Question


ROS Toolbox issue after R2020b Update 5: Unable to resolve the name ros.internal.utilities.getMessageTypesWithCppKeyword.
Hi, scripts running fine in R2020b Update 2 do not more run after R2020b Update 5. E.g. >> rosinit The value of the ROS_MAST...

3 years ago | 1 answer | 0

1

answer

Answered
Could not load library (Poco exception = libMatlabDataArray.so: cannot open shared object file: No such file or directory)
Hi, after upgrading to R2020b Update 3 there is the error: ros.internal.utilities.getMessageTypesWithCppKeyword when calling ...

3 years ago | 0

Question


custom ROS messages in parfeval function?
Hi, rosgenmsg allows Matlab reading from individually compiled ROS mesages (using ROS Toolbox). This works fine in my environm...

3 years ago | 0 answers | 0

0

answers

Question


how to change uiLamp color in parfeval function?
Hi, parfor or parfeval functions do no accept structs as input parameters. GUIs designed using App Designer memorises ...

3 years ago | 1 answer | 0

1

answer

Question


Could not load library (Poco exception = libMatlabDataArray.so: cannot open shared object file: No such file or directory)
Hi, we are using a custom designed ROS topic. rosgenmsg runs without errors and myTopic is included to rosmsg list. When c...

4 years ago | 2 answers | 0

2

answers

Question


MATLAB figure windows are disabled using PCT
Hi, I'm using figures creating videos in order to document my processing. The code runs fine without Parallel Computing Tool...

6 years ago | 0 answers | 0

0

answers

Question


How to create a pointer on a struct?
Hi, reading the Documentation from libstruct, there is following example: double addStructFields(c_struct) sm.p1 = 476; ...

7 years ago | 1 answer | 0

1

answer

Question


Example of phased.CustomAntennaElement System object where all properties are used?
Hi, may I see an example of phased.CustomAntennaElement and plotResponse where all properties are used? Please use different...

8 years ago | 0 answers | 0

0

answers

Question


How to eliminate for-loop?
Hi to everybody, in the for-loop below, is a multiplication of a scalar with twice a matrix column. If two vectors in a for-l...

8 years ago | 2 answers | 0

2

answers

Question


Phased Array Toolbox: Target's reflection Phase information alters across range-bin border. Why ?
The Phased Array Toolbox includes the 'FMCWExample.m'. The code below is this example slightly modified in order to derive the ...

9 years ago | 1 answer | 0

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