Answered
Plotting a 2D array of values as discrete squares without interpolation
load('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1838126/StressData.mat') whos If I understand what you're...

3 months ago | 0

Answered
speeding up the data analysis
What does the Profiler indicate is the section of code that takes the most time? Does the Code Analyzer app or the code analyze...

3 months ago | 0

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Answered
Problem with comments in XML files
Do you need the comments to be imported? If not, and if upgrading to release R2020b or later is an option, consider using readst...

3 months ago | 0

Answered
Toolbox compatibility with licenses from different years
Are you specifically asking about the license manager or are you asking about using a combination of products from different rel...

3 months ago | 2

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Answered
how to find elements between two values
If you're using release R2014b or later, use the isbetween function. x = randi([-10 10], 5, 5) xinrange = isbetween(x, -5, 5) ...

3 months ago | 0

Answered
how to replace char in array with a double
Another way to do this would be to set up a vector and use indexing. Let's try it with a valid and an invalid Roman numeral stri...

3 months ago | 1

Answered
I am getting this error while running the code related to quantum computing
If you're following the example from this documentation page, note this line (I added emphasis.) "To plot any quantum state of a...

4 months ago | 0

Answered
I don't understand how you are meant to use onCleanup in a script
The purpose of an onCleanup object is to execute the function handle with which it was created when the onCleanup object gets de...

4 months ago | 1

Answered
Text in plot that has x-axis in terms of datetime
Don't use datenum anymore. It is not recommended. Instead, use ruler2num or num2ruler to convert the datetime data into coordina...

4 months ago | 0

Answered
Question about using "diary" command
I'm not 100% sure of this, but perhaps the -logfile startup option would be of use to you. I think it might update the log file ...

4 months ago | 0

Answered
Why Can an Anonymous Function be Defined with a Non-Existent Parameter?
Once f() is defined, I don't believe there is any way to subsequently define y such that f() works. Sure there is. Let's first ...

4 months ago | 3

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Answered
looking for strictly recurrent and fast moving median implementation
If I understand what you're trying to do, you have a process that generates data (like streaming a video, where you don't necess...

4 months ago | 0

Answered
Indexing vectors with a zero and creating a "predicted" vector knowing what the diff should be
If you believe they are uniformly spaced, the isuniform function can confirm this (and give you the uniform spacing) or refute i...

4 months ago | 0

Answered
How to implement N number of realizations of a for loop?
Each time through the loop, you're completely overwriting the variable Uout. Compare: for k = 1:5 z = k.^2 % Overwrite wit...

4 months ago | 0

Answered
chebyshevT in a standalone app
The chebyshevT function is part of Symbolic Math Toolbox. Looking at the Support for MATLAB, Simulink, and Toolboxes page for MA...

4 months ago | 0

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Answered
Section folding unavailable in r2025a?
On the Home tab, click on the Settings button in the Environment section. Expand the Editor/Debugger item under MATLAB then sele...

4 months ago | 1

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Answered
Interp1 is not working after applying unique because of rounding off
I need to use interp1 on these values, but here interp1 is not reading them as 3.569990000000001 and 3.570000000000001. Interp1 ...

4 months ago | 1

Answered
Why does times(A,B) gives me negative values when A and B don't have any ???
Try using mustBeNonnegative instead of mustBePositive. This will detect if your calculation underflowed to 0. x = realmin must...

4 months ago | 2

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Answered
A question about text string concatenation
That would work as you expected if Cruise_ID were a char vector. In that case, the concatenation would make a longer char vector...

4 months ago | 2

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Answered
termination command `kill -9 {id}` no longer works (from 2022b to 2024b)
Rather than killing the process, why not just call quit to exit MATLAB?

5 months ago | 0

Answered
How to convert a column of float or not data into double?
Are you trying to import this data from a file? If so please show us (or tell us, if you can't provide the code) exactly how the...

5 months ago | 1

Answered
What Is A Scalar String?
A scalar array in MATLAB is one whose size is [1 1]. So for example 42 and pi are scalars, while [1 2] and [] are not. size_42 ...

5 months ago | 2

Answered
Abfload error - colon operands must be real scalars
the issues seems to be with the switch to R2025a No, the issue is that you're trying to use the colon operator with complex num...

5 months ago | 2

Answered
Inheritance, abstract and constant properties.
Doing so would violate the Liskov substitution principle. As a contrived example, let's say you had a Shape class that had an a...

5 months ago | 0

Answered
Symbolic calculation with solve command
If you object to the presence of root() in the solutions, since you're using release R2023a or later you can use the rewrite fun...

5 months ago | 1

Answered
Error: Colon operands must be real scalars.
This was a deliberate change in release R2025a. See page 1-30 of the PDF Release Notes for MATLAB. We issued a warning that MATL...

5 months ago | 1

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Answered
How do I use fprintf to show the entire array in one ouput statement
This wasn't an option when the question was originally asked, but if you wanted to capture the matrix in text exactly as it woul...

5 months ago | 0

Answered
Download the example for “Estimate Battery Model Parameters from HPPC Data” does not work. Is it possible to get access to it?
According to that example's page in the online documentation, that example was introduced in release R2025a. Looking at the Rele...

5 months ago | 0

Answered
Display data in a while loop as a table
Rather than building a new table each time, I'd create one before your loop and add to it then display it at the end. f=@(x) x^...

5 months ago | 0

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Answered
2019b download installer
For information on how to check if you can download previous releases of MATLAB, see the instructions in this Answers post.

5 months ago | 0