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Telling numbers and letters apart
You can use the isstrprop function to determine which characters inside a string are letters. S = ["D56788T5434" "E44G5555" "...

19日前 | 0

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For "Characterize Battery Cell for Electric Vehicles" the "copy command" does not lead to the same content as the website example
The version of the example on the website is from the most recent release, which as I type this is release R2024a. You indicated...

20日前 | 1

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Information needed to identify your computer is missing or invalid.
Please contact Customer Service directly using this link for help with setting up a license to run on both the classified and un...

21日前 | 0

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matlab program drawing style
Note the scale of the Y axis in your plot. Around t = 0 and t = 0.033 the value of D must get very small in magnitude, leading t...

21日前 | 0

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When running an exe created from a matlab app, where are the variables stored?
The variables are stored in the memory of the executable. Just like you don't need to allocate space for your web browser to sto...

21日前 | 0

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Perform Calculations on Data in A Table and Create a New Table
I'd likely turn your Time column into a duration array (using the seconds function) then convert your table into a timetable usi...

21日前 | 0

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Parallel computing of "for" loop
Is it the case that the computation of the value for the entity in the second iteration of your loop requires the value of the e...

21日前 | 0

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Not getting the expected size matrix from evaluating a function handle that is equal to zero
I am expecting Z to be zeros matrix of 10x10. But I am getting Z to be a 0 of 1x1. Why? Because that's what you told your fun...

21日前 | 0

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Creating three shaded regions in a loglog plot
If you're using release R2023a or later and you want to create horizontal or vertical regions, consider using the xregion and/or...

22日前 | 1

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In Matlab AppDesigner -> Generation of a Report with a Word Template: Problem with Input Arguments for function 'Document'
The mlreportgen.dom.Document Class is in the mlreportgen.dom namespace. What did you import? import mrlreportgen.dom.*; You ha...

23日前 | 1

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why is not equal
Rather than converting from degrees to radians and then computing the sine of the angle in radians, why not just use the sind fu...

24日前 | 0

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How can I Integrate on an array with respect to another array
To integrate data sets use the trapz or cumtrapz functions. If you had functions to integrate use the integral family of functi...

24日前 | 0

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if-statements for reassigning values
Let's look at the exact text of the error you received. N=randi([-100,100]); if N=[-20,20] N=N*2 else if N>20 N...

28日前 | 2

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Have the nnd4db command been removed for 2023b
I believe that command was part of an old demo that was removed from Deep Learning Toolbox in release R2023b. Looking back at t...

28日前 | 0

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ANY and ALL with NaN array
Not a bug. On that documentation page, the description of the A input argument states in part "The any function ignores elements...

28日前 | 0

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How to create separate data for daylight hours and nighttime hours in MATLAB?
Since the timestep of the model output is in UTC, I have to add 5.30 with the model hours to get the IST (Indian standard time)....

29日前 | 0

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Dynamic function call using eval
For this case, use the cast function. x = 42; for n = 3:6 bitlength = 2^n; fprintf("Casting %d to int%d.\n", x, bitl...

29日前 | 0

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Interpolating NaN values in a matrix
interp1 isn't the right tool for this job. I recommend using fillmissing (with the dim input argument if you want to interpolate...

29日前 | 1

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How to plot quiver vectors of same length and plot streamlines?
For part 1, you probably want to normalize your U and V data (if you assemble them into a matrix, the vecnorm function may be of...

約1ヶ月前 | 0

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Field ii ultrasound simulation: Unable to run C compiled binary files (mexw64 extension)
Which operating system are you using? As you can see from the table below: struct2table(mexext('all')) mexw64 is the extension...

約1ヶ月前 | 0

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Issue with integrating a function.
There are several problems with this code segment. Off the top of my head I see three serious problems. First, nowhere in the c...

約1ヶ月前 | 0

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i need license number i sign in with my account university
If you're trying to use a campus-wide license provided by your university, make sure you have a MathWorks Account using your uni...

約1ヶ月前 | 0

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How to verify a function with an input and output throws a warning?
The problem is indeed on this line and in your system_under_test function. Commenting it out so I can run other code later in th...

約1ヶ月前 | 1

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Having -1 as part of the result when factoring a polynomial
What happens if you omit that factor when you multiply the rest of the factors together? syms x y P1 = y^6 - x^6 f = factor(P...

約1ヶ月前 | 0

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Is it possible to ignore certain lines in MATLAB coverage test?
See the isMATLABReleaseOlderThan function. If you're using an older release, you could use verLessThan instead.

約1ヶ月前 | 0

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large errorbars on semilogx
What's the difference between the logarithm of 1 and the logarithm of 2? format longg x1 = log([1 2]) delta1 = diff(x1) Now ...

約1ヶ月前 | 1

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can I use matlab on new device?
It is possible to deactivate MATLAB on a machine (even if it is not available) and reactivate it on another computer.

約1ヶ月前 | 0

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Matlab Cloud Licensing / Azure AD, instead of internal Flexlm server
Please contact Technical Support directly using this link. They can work with you to determine what licensing options are availa...

約1ヶ月前 | 0

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Undefined function 'bisect' for input arguments of type 'function_handle'.
Another possibility is that the user saved it to a file not named bisect.m. If the name of a function file and the name of the m...

約1ヶ月前 | 0

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What does cppelt function do in findchangepts
which -all cppelt This is a private helper MEX-file in Signal Processing Toolbox. I don't believe we distribute the source code...

約1ヶ月前 | 0