Answered
What method does SLAM use for localization?
lidarSLAM is a graph-based SLAM implementation. The lidar scans map the environment and are correlated between each other to bui...

3 months ago | 1

Answered
Angle indication with lidarSlam
I understand that the Map is already known to the robot. lidarSlam object helps in building the Map by performing localization ...

3 months ago | 1

Answered
output coordinates with conv2
I assume you want to find the output size after 2D convolution with an argument as ‘valid’. In the case where S = conv2(S1, S...

3 months ago | 2

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Answered
How to make a 1D become 2D and create a contourf plot
You could use meshgrid which returns the 2-D grid coordinates contained in the vectors time and height. [timeX,heightY] = meshg...

3 months ago | 0

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Answered
Adjusting zticks and xticks position for bar plot
You can try rotating the labels of the overlapping axes. Refer xtickangle for more information.

4 months ago | 0

Answered
Plotting EEG 36 channel data using code
You can use pwelch for finding the power spectral density of the signal. For example, pwelch(x,250*30, [],[],250); where x ...

4 months ago | 0

Answered
Recognising/classify segmented objects in RGB image
Hello, The following sample code will extract the segment of image that you could use for classification. Here I assumed you w...

4 months ago | 0

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Answered
AppDesigner future question: Menu Bar and Context Menus
Hello, Menu Bar is currently available in app designer. Please refer the following link for the available components in the co...

4 months ago | 1

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Answered
is there any way to use a bmp file with PRM to find path planning route
The .bmp file can be first converted into a binaryOccupancyMap. This map can be used as an input to the mobileRobotPRM function ...

4 months ago | 1

Answered
Connection to Thomson Reuter Eikon to download information on prices and interest rates
The following example will be helpful.

5 months ago | 0

Answered
How do you change the local location of the MATLAB Drive folder?
Refer the instructions in the following MATLAB Answer. https://in.mathworks.com/matlabcentral/answers/378069-matlab-drive-canno...

5 months ago | 0

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Answered
Decimate signal that contains NANs
I understand you want to decimate signals that contain NaN. I assume you would like to decimate a signal by a factor r if it co...

5 months ago | 0

Answered
how to add a FeedForward layer after my LSTM layer
You could add desired layers after your LSTM network layer by specifying them as columns in the layers array. Consider an examp...

5 months ago | 0

Answered
Drop-down icon in matlab app designer
Hello, The position of drop-down menus does not affect its functionality. I understand you would like to add two drop-down men...

5 months ago | 1

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Answered
Using subs on contents of a cell
You can substitute I1 with I_val and I2 with I_val seperately. I = subs(cell2sym(I),I1,I_val); But once you do substitution w...

6 months ago | 0

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Answered
how can I silently uninstall MatLab R2017
Hi, The following link will be useful. https://in.mathworks.com/matlabcentral/answers/100721-how-do-i-use-the-silent-uninstall...

7 months ago | 0

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Answered
How can I genereate only one h file?
Hello, You can have a single header file modelname.h as codegen output by setting the File packaging format in Simulink Model C...

7 months ago | 0

Answered
Expressing a matrix with parameters and letters
Define the variables F1, F2, and F3 as symbolic variables. syms F1, F2, F3 B = inv(A); b = [0 F1 0 F2 0 F3 0 0 0 ]’; x = B*b...

7 months ago | 1

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Answered
Histogram with different sized bins and edges to illustrate wave periods
The following code will plot the above bar graph waveperiods = (9:21); observations = [1 5 14 22 28 5 6 2 1 0 1 0 0]; groups ...

7 months ago | 0

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Answered
Unable to play audio because no audio outputs were found
If you just want to play the music in MATLAB Online, you could use ‘sound’ instead. But it will have lesser capabilities compare...

7 months ago | 0

Answered
finding sub sequences of a data set
I assume you want to extract a sub-vector of length 30 from each row. But the total length of the column is 129 which is not div...

7 months ago | 0

Answered
Need to assign values to variable in a vector
The subs function helps in doing the symbolic substitution. The following snippet will do the substitution. x1=input("Please In...

7 months ago | 0

Answered
Simulink modeling from the command line
Refer to the following MATLAB Answer. Question 2 addresses the above query. https://in.mathworks.com/matlabcentral/answers/1011...

7 months ago | 0

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Answered
Input folders or files do not contain specified file extensions:
Here if you do not define the ReadFcn explicitly, the default function used is imread() which is not supported for .nii extensio...

7 months ago | 1

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Answered
Inserting Bounding Boxes when it is more than two together
A simple if condition before displaying the annotation will do if (size(bboxes,1) > 1) for ii = 1 : size(bboxes, 1) ...

7 months ago | 0

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Answered
alt key in live script
You can disable the toolbox mnemonics by executing the following command. com.mathworks.desktop.mnemonics.MnemonicsManagers.get...

7 months ago | 3

Answered
How to plot PWM signal with specific duty cycle and frequency ?
The following answer explains how to generate a square wave in Matlab with frequency,​amplitude,​voltage offset, and duty cycle....

7 months ago | 1

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Answered
rand(n,1)
It is difficult to reason why exactly three different pairs generated from the above information. Atleast from MATLAB R2012a on...

7 months ago | 0

Answered
Question of FFFT in Matlab
The frequency of the sine wave is defined as 128 Hz (f = 128) in the above code. Hence there will be two impulses (ideally, but ...

7 months ago | 0

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