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Andreas Schwager


Last seen: 4 dagen 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('...

8 maanden 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...

bijna 3 jaar 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...

bijna 3 jaar 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...

bijna 3 jaar 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 ...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

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...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

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...

ongeveer 3 jaar ago | 1 answer | 0

1

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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 ...

ongeveer 3 jaar 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...

ongeveer 3 jaar 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 ...

ongeveer 3 jaar 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...

meer dan 3 jaar 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...

meer dan 5 jaar 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; ...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

bijna 8 jaar 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 ...

ongeveer 9 jaar ago | 1 answer | 0

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