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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

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Inner product of two vectors
Find the inner product of two vectors.

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Create a vector
Create a vector from 0 to n by intervals of 2.

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

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Find max
Find the maximum value of a given vector or matrix.

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Co-Simulation - Simulink, gazebo: Error evaluating 'MaskDialog'
Hi Jaeyong, I checked both .world files and saw issue in The_RC_Car_World.world I found that, in the The_RC_Car_World.world ...

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Gazebo Plug-in with Simulink : world position/orientation & relative position/orientation of the link
Hi Yunsik, The 'pose' values present in Gazebo GUI are 'relative_pose' Here, 'relative_pose' from Simulink are matching wi...

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Problem with gazebo subscribe block in simulink
Hi Aleksey, To enable custom message support, you need to use 'gazebogenmsg' in MATLAB. The .proto files or Gazebo msgs, you ...

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C++ file for Gazebo plugin "GazeboCoSimPlugin.so"
Hi Jaeyong, As you already have ROS2 and Gazebo VM, I will provide you details with respect to same VM. The Gazebo plugin so...

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Gazebo Customized Plugin: Read the body names of contacts
Hi Yunsik, As mentioned in the error, " Examine the configurations of 'Gazebo Robot/MATLAB Function' for one of the followin...

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Simulating multiple robots in Gazebo through MATLAB/Simulink
Hi Antonio, There is command overriding issue associated with few apply command in multiple robot scenario. We worked on this...

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Gazebo Customized Plugin: Read contact positions that contains both a variable sized element and an array of sub-buses
Hi Yunsik, Add 'MATLAB function' block in Simulink and add following code lines in the function function y = fcn(u) y = strin...

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Gazebo Customized Plugin: Read contact positions that contains both a variable sized element and an array of sub-buses
Hi Yunsik, I created Simulink model for Contacts message and able to subscribe Contacts message data. To enable this, I did fol...

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Gazebo Customized Plugin: Read contact positions that contains both a variable sized element and an array of sub-buses
Hi Yunsik, You can directly get Position.x at Bus Selector 13 by selection/expanding Position in Bus Selector. Any specific re...

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Gazebo subscribe block error in Simulink
Hi Yunsik, 1] This issue is more related to mux don't support variable size input. So, might be you need to try with fixed size...

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Error of gazebogenmsg to create the customized gazebo plugin
Hi Yunsik, You need to select Microsoft Visual C++ 2019 as follows, >> mex -setup cpp MEX configured to use 'Micros...

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

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How to apply relative force/torque/wrench using Gazebo Co simulation blocks in Simulink?
Hi Kenneth, To enable Gazebo functionality which are not available in current MATLAB-Simulink support, you can create custom pl...

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Gazebo subscribe block error in Simulink
Hi Yunsik, The Gazebo_SL_Bus_gazebo_msgs_custom_gazebo_msgs_Contacts.contact.wrench.body_1_wrench.force.x is of variable length...

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How to subscribe topic from gazebo by using the "gazebo subscribe block" in simulink
Hi shengqi, The Gazebo Subscribe block is designed for Custom Message Support. Basically, other than built-in support ( Read Bl...

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Probems working with Gazebo Pacer and ROS Messages
Hi Martin, You might need to update plugin from VM. Use packageGazeboPlugin and copy-build plugin on VM. You can follow exampl...

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Multiple mobile robots simulation with simulink and gazebo
Hi Alberto, The ApplyLinkWrench command with two robot can be configured as follows and work for two robots. Can you specify...

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Co-simulation between Simulink and Gazebo runs slowly
Hi Haruki, You changed sampling time from 0.01 to 0.001 in the Gazebo Simulink block, which is correct. Currently, this is the ...

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