Answered
How to recover .m file lost due to the abnormal termination
See this page: https://www.mathworks.com/help/matlab/matlab_env/recovering-data-after-an-abnormal-termination.html

1 month ago | 0

Answered
Can "datetime" be responsible for the misalignment of data in a plot ?
I think the allignment difference is due to what MATLAB is setting your axis limits to when the x values are datetimes (Jun 17 -...

2 months ago | 1

Answered
Live script, convert to local function
It is bad practice - and completely unnecessary - to create a function where the first command is clear. Remove this line of cod...

2 months ago | 0

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Answered
Chirp plot is not drawing
You need to place hold on before you add a second plot to your axes. Your code currently replaces the plot with the stem plot. ...

2 months ago | 0

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How do I get MATLAB to read a long number as a date and time?
Convert your numbers to strings, and then use datetime to convert it to a time. % original data t = [11142021092415; 724202009...

2 months ago | 0

Answered
Combine two matrices according to datetime in first column
You are going to have a challenge here because the tolerance indicated in your example (~1 minute) is much larger than the small...

2 months ago | 0

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Answered
Get datenum to return missing instead of throwing an error
I would start by looking into the standardizemissing function.

2 months ago | 0

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Answered
Input mesh does not form a closed volume error; checked that mesh is watertight
I wouldn't say I can suggest a more elegant workflow, but here is one that I have found to work in the past. It involves using s...

2 months ago | 0

Answered
MATLAB Online does not run script properly
Code runs without error for me. I can also run it here without error. Perhaps try again? If it happens again, perhaps there are ...

2 months ago | 0

Answered
How do i delete a repeating row
Modified from this example [C,ia] = unique(grades{:, 1}); B = grades(ia,:) See this page for alternate ways to access data in...

2 months ago | 0

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Answered
Plotting data from text file , subplot
See the examples in the following documentation pages readmatrix subplot plot

2 months ago | 0

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Answered
Help with code, writematrix not working. Please help fix
Your first input to writematrix needs to be a variable name, not a char. Change this: writematrix('Departure City:','table1.xl...

2 months ago | 0

Answered
Operands to the || and && operators must be convertible to logical scalar values.
Use || and && when you are comparing a single (scalar) value. Use | and & when you are comparing arrays (when there is more than...

2 months ago | 0

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Passing Data between two Apps
See this support page https://www.mathworks.com/help/matlab/creating_guis/creating-multiwindow-apps-in-app-designer.html and t...

2 months ago | 0

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how can I open a matlab app that I designed in AppDesigner inside another app that I'm creating (always in AppDesigner)?
See the Create Multiwindow Apps in App Designer page

2 months ago | 1

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Answered
How to conditionally and by groups subtract one row from another in table?
I think I would calculate the results to a new table using groupsummary, then concatenate the tables. This is a little longer th...

2 months ago | 1

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Extract data from sequentially named tables
Converting your tables to stuct or cells to me seems like taking a step backward. Why not just concatenate all the tables togeth...

2 months ago | 1

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How to automatically get the axis of a figure in Live Editor?
You can get the axes object in a figure the same way you would outside of a live script. Option 1: capture the axes object by c...

2 months ago | 0

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Answered
I keep receiving an error when I try to run this code for a 3DOF mass-spring system "Index in position 1 exceeds array bounds. Index must not exceed 1".I am confused as to why
The problem is that zeta is a scalar, not a vector. The fix is to not index this variable. n=3; %degree of freedom m1= 45400; ...

2 months ago | 0

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Answered
Can matlab grader questions be vulnerable by hackers through pretest?
If the pretest assessment is a MATLAB Code test type, then learners can expand the test to see the underlying assessment test co...

2 months ago | 0

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Answered
Create a GUI interface in MATLAB for simple image functions like reading and displaying??
Take a look at this example app.

2 months ago | 1

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Answered
Help calculating values from a table into a loop
I would do this (untested) sumTbl = groupsummary(T,["timepoint","bird","day"],'sum',"value1") The result will be a table ident...

2 months ago | 1

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Answered
How to save/export MATLAB Grader contents?
There are a few options. The simplest is probably to create the new MathWorks account first. Then log into MATLAB Grader using ...

2 months ago | 0

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Can someone provide a previous version of this Heat Pump example model?
It looks to me like this example was introduced in R2022a. You can open previous versions of the doc by adding the release to t...

2 months ago | 0

Answered
Plotting in a specific axes in GUIDE
You must use the following syntax when plotting in an app/gui: plot(ax,___) This tells MATLAB which axes to plot into. Without...

2 months ago | 0

Answered
Trying to complete a boxplot for the Z values of a matrix
MATLAB will treat each column as a separate data series. A = rand(10,5); boxchart(A) If you want to only have a single boxpl...

2 months ago | 0

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Answered
Dorp Down Menu in App Designer doesn't accept values
I see the same behavior. However, I could use the button with the vertical 3 dots to the right of the Value and Items fields to ...

2 months ago | 0

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What is the best reference to learn machine learning?
Where you are not a developer, I think you will find many of the interactive tools MathWorks has developed for Machine Learning ...

2 months ago | 1

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Answered
Repeating for loop N times
Sounds like you need to put all your code inside a 2nd for loop

2 months ago | 0

Answered
how can i mark the maximum of my plot and have extent and time for it?
Look into the max function, particularly this syntax.\ [M,I] = max(___)

2 months ago | 0

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