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Cam Salzberger


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MathWorks

364 2015 이후 총 참여 횟수

I am a Software Engineer at MathWorks, and a Mechanical Engineer by education. I specialize in Robotics.

In my free time, I enjoy hiking and parkour.

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ROS Master is running. Can't run 'rosinit'
Hey Michael, It sounds like there is already a ROS Master running on your machine on the port 11311, but (probably) not having ...

약 19시간 전 | 0

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robotics system toolbox example issue
Hello Noah, The rigidBody function was renamed from robotics.RigidBody in R2019b. If you have an earlier release, you'll need t...

3일 전 | 0

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Is it possible to Use MATLAB "toolbox/map" functions in an outside C++ program?
Michael, Sorry for my comment (now deleted). I re-read your question and understood what you are asking. I believe you should b...

19일 전 | 0

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Why can't I use "rigidBodyJoint" function from Robotics System Toolbox?
Hello Elin, If you are looking at the documentation page for rigidBodyJoint in the current release (R2019b), there's a compatib...

19일 전 | 0

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Parameter server issues when started using rosinit
Hello Rushikesh, I'm not sure about the cause of this specific error, but my money is on version incompatibility in the use of ...

19일 전 | 0

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why does matlab 2019a for Mac keyboard freeze in both editor and command window
Hey Greg, Some people in this thread commented on windows management software (like Magnet) causing this issue. Check out the c...

23일 전 | 0

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function did not receive any data and timed out
After you create the subscriber "laser", does it receive any messages from the turtlebot? To determine this, you can check the L...

24일 전 | 0

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How do I use the inputParser to validate my required input is a string from a defined set of acceptable strings?
Hello Bryan, validatestring doesn't return a logical matrix of validated values, it returns the full string that is matched. Wh...

24일 전 | 0

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Shrink size of body axes in show
Hello Jeff, I do not believe that there is currently an easy way to scale the reference frame coodinate-system indicators. You ...

25일 전 | 0

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draw a label in the scatter graph
You can use the text function to put labels at x-y coordinates. Name-value pairs can be used to determine where to place the lab...

25일 전 | 0

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ros custom messages not adding to rosmsg list
Hello Jacob, I have a few suggested solutions and trouble-shooting steps here. Did you restart MATLAB? That is necessary to loa...

26일 전 | 0

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Problem to load a path
I haven't seen this before, though it looks similar to this issue with opening files. If I were to guess at a solution... This ...

29일 전 | 0

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Newly installed 2019b does not open .fig files
Hey Brandon, It sounds like you are trying to open your figure files from outside of MATLAB (e.g. Windows Explorer), and it is ...

30일 전 | 0

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How to call variable (with index) using string?
Adam's suggestion really is the way to go about addressing the fundamental issue. In the meantime, if you want to get access to ...

약 1달 전 | 0

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Creating Pointcloud ROS message in Simulink
(Moved from comment to answer) This question about creating point cloud messages seems fairly similar, and the attached utiltie...

약 1달 전 | 0

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Updating ros messages for moveit!
Hello Pouria, Unfortunately, the MATLAB ROS custom message capabilities currently only support the "format 1" style for the pac...

약 1달 전 | 0

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I got some errors when I closed GUI. How do I fix it?
Hey Aaron, The error is likely because the code is trying to execute after you closed the figure window. Closing the figure des...

약 1달 전 | 0

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How can I assign different color and width in a subplot?
"hEB" doesn't seem to be assigned in the code snippet you posted. You're assigning "hEBA8", "hEBC5", and "hEBE1", but not the hE...

약 1달 전 | 0

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Trying to connect to an active node [ROS2]
There are two different factors in determining what is and isn't within a ROS 2 network. The first is the domain ID, and the sec...

약 2달 전 | 0

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HOW can I know the code of "prioEDF"which is used in the truetime-2.0?
It looks like TrueTime has a GitHub project where they keep their source code. I don't know if it's the latest, but it appears t...

2달 전 | 0

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robotics simulink simscape tools
Hello Janitha, I have limited experience with this, but I believe you should be able to use importrobot to get a RigidBodyTree ...

2달 전 | 0

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Change frame size in show(rigidbodyTree)
Hello Brian, If you don't have a mesh model to show on the robot, and only have the body lines, I believe you can get access to...

2달 전 | 0

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Working with Ouster Lidar and pointcloud2
Hello Julien, I haven't tried the Ouster data, but there are two options when reading messages from rosbag: you can read them i...

2달 전 | 0

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ROS Action Client in Simulink
I am afraid that it is currently not possible (as of R2019b), but I have passed along your suggestion to the relevant people. Th...

3달 전 | 0

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matlab and simulink can not receive custom message whice send by ros
Please see some strategies for resolving and troubleshooting this issue in my answer here. You shouldn't need to set ROS_IP on t...

3달 전 | 0

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Failed to create custom ROS2 message
ROS 2 has more strict rules about package, message, and field names than ROS did. Relevant here, fieldnames need to be all lower...

3달 전 | 0

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How can I select a specific variable in the .mat file which contains different variables in the user interface?
Hello Kunpeng, You may consider using whos to determine the variables available in a MAT file. Then you can specify the variabl...

3달 전 | 0

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Plotting a 2d graph from .txt file (imported into MATLAB as table)
plot(data.t, data.x) A similar question was posted here, and points to this documentation for more information. You could even...

3달 전 | 0

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Any way to assign the second output to a variable on a function?
Hello Brandon, You can opt to ignore the first output using a tilde: [~, var2] = name(in1, in2); Is that what you were lookin...

3달 전 | 1

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Time Complexity of 2D array
Hello Yugal, What size are vcp and vcn before you start the loop? If you are doing something like this: vcp = []; vcn = []; ...

3달 전 | 0

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