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How to import .mat file with different number of columns in each row?
I tried to load it directly using the following syntax and got the following results. S = load('H1.mat') Error using load Inv...

5 years ago | 0

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Answered
How do you write a code in app designer in order to make a random integers of multiple edittable text? I created this code but I'm afraid this doesn't work.
If I understand your question correctly, you want to make the value in your numeric edit field a random value. Remember that in...

5 years ago | 0

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Answered
Worry about scatter3 plot
It's an optical illusion because your axes are rotated/tilted. This is causing the grid line in the back (for Z=30) to appear hi...

5 years ago | 0

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How to return values of differential, not the function, from odefun, ode45?
It would appear the values of your function dy2dt are the 2nd column of your output variable X already. If it is diff(dy2dt) yo...

5 years ago | 0

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MAC reading .number into table format
MATLAB does not appear to be able to read these files directly. The recommended workaround is to export the file as a *.xlsx or ...

5 years ago | 0

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How to read numbers spreadsheets from Mac using Matlab
MATLAB does not appear to be able to read these files directly. The recommended workaround is to export the file as a *.xlsx or ...

5 years ago | 0

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Pr4oblem with an ODE 45 " not enough input arguments"
The ode solver expects the first two inputs to your odefun should be t and y (you can use any variable name you want, but this i...

5 years ago | 1

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Comma delimited csv with letters and numbers
Because your columns all contain Bs, they are going to be read in as text instead of numbers. You mention you want to turn them ...

5 years ago | 1

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Need more colours for scatter plot with multiple datasets
The answer provided here doesn't do maximally distinct colors, but does show how to increase the number of colors used to plot o...

5 years ago | 0

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Matlab associates exam preparation
I suggest seeing these posts MATLAB ASSOCIATE CERTIFICATION EXAM MATLAB Associate Certification information

5 years ago | 0

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Can i take the MATLAB certified associate exam online at home during COVID 19 Pandemic situations ?
As of Dec 2020, it is possible to take the associate level exam from your home or office. This test will use online proctoring, ...

5 years ago | 1

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Answered
Load and edit multiple poorly named .m files
See this answer for a way to rename all files in a folder and all its subfolders. https://www.mathworks.com/matlabcentral/answe...

5 years ago | 0

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how to create 2D map for simulation purpose.
These are called occupancy grids. If you are new to this, perhaps a good place to start is the resources on the Robotics System...

5 years ago | 0

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How to plot too many graph in a figure?
It looks like all your plots share the same x axis values. Have you considered using stackedplot?

5 years ago | 0

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Simplify expression even further
You could try specifying 'Step' for simplify. Adjust the value and see if it gets the result you want. simplify(expr,'Steps',1...

5 years ago | 0

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The difference between MATLAB 2018b and MATLAB 2018a
R2018a does not support the 'all' option. See here: https://www.mathworks.com/help/releases/R2018a/matlab/ref/sum.html R2018b...

5 years ago | 0

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Answered
For Loop Not Executing Properly
It appears to me your code should be looping through all your files. How long does it take for your code to run? A couple thing...

5 years ago | 0

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Answered
Two separate geobubbles/geomaps in a for loop?
A thought for k=1:Nsteps lat = [x_u_series(1,1:k) z_series(1,1:k)]; lon = [x_u_series(3,1:k) z_series(2,1:k)]; s...

5 years ago | 0

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Calculate minutes average values
I would import the spreadsheet as a table, then convert the day and time into a datetime, convert that to a timetable, and use t...

5 years ago | 2

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how to read txt file with delimeter
See this page: Import Text Files

5 years ago | 0

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Create musical notes with pauses in between
See this post: https://www.mathworks.com/matlabcentral/answers/134304-how-do-i-generate-sound-using-matlab

5 years ago | 0

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no contents for task in simulink onramp
It is loading as it should for me, so I'm not sure what will fix it. If the issue continues to happen, I suggest contacting cust...

5 years ago | 0

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PLEASE HELP to convert file to .nii file
Look into movefile, which will move or rename a file or folder Before investing in renaming all of them, just try it out on one...

5 years ago | 0

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How can I add an extension to all files in a folder?
Look into movefile, which will move or rename a file or folder

5 years ago | 0

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Reorder Matrix Rows from the row with the most nonzero elements to the row with the least nonzero elements
I'm not aware of anyway to do this without having to write some code, which is probably the exact reason you were given the assi...

5 years ago | 0

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Mapping rows of an array to radii and columns to angles
Perhaps this post will help? https://www.mathworks.com/matlabcentral/answers/499164-how-can-i-convert-an-image-to-polar-coordin...

5 years ago | 0

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table2array gives string array when contents are numbers
I suspect data in sr_p and x5mmlinyeild are chars or strings and not doubles. What is the data type of the columns of your table...

5 years ago | 0

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How to turn off the data tips of surf
I would do this by "turning off" the surface. In my figure window menu, I would select View > Plot Browser. In the window that o...

5 years ago | 0

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Answered
regression learner app missing
I don't think the regression learner app was introduced until R2017a. Here's the earliest reference I could find to it: https:/...

5 years ago | 0

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Answered
Adjusting a timeseries for clock drift with exact known start and stop times
What about retime? That was introduced in R2016b.

5 years ago | 0