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Pre-alocating an array, storing data in them and dynamically using them
I think the problem is that you're checking the condition t > R at a fixed position in your loop, but you don't know beforehand ...

11ヶ月前 | 1

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How to load a .mat file from the parent directory?
Simpler and more efficient with a relative pathname using the dotdot-folder name to access the parent folder: load('../mymatfil...

11ヶ月前 | 0

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Problem with comments in XML files
The issue you're encountering is related to how XML Document Object Model (DOM) parsing handles different types of nodes within ...

11ヶ月前 | 1

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Help with Inequalities In Switch Statement
Your SWITCH statement will not work like that. But really, you should avoid SWITCH for this task (unless you really want to writ...

11ヶ月前 | 1

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Stop 'jsonencode' squashing cell arrays?
"Is there a way to force jsonencode to preserve the cell arrays is all cases?" No, the JSON standard does not have cell arrays....

11ヶ月前 | 0

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Output doesn't display a value, just an empty space.
How many values fulfill your logical comparisons? Exactly one. range_x = x(x>=xmin & x<=xmin); range_d2S1 = d2S1(x>=xmin & x<=...

12ヶ月前 | 1

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Stretching a rectangle over a date axis
"How can I fix this?" Use RULER2NUM, which converts from the ruler values (e.g. DATETIME) to numeric, correctly accounting for ...

12ヶ月前 | 1

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.mat file no longer shows variable selection GUI when loading in MATLAB R2025a
Make sure that this is selected: Settings => MATLAB => General => Confirmation Dialogs => Show Import Tool dialog for importing...

約1年前 | 0

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Can such an index weight graph be generated using matlab? If possible, what preparations need to be made? Thank you
https://www.mathworks.com/matlabcentral/discussions/tips/854391-these-pretty-chord-diagrams-were-all-made-by-matlab

約1年前 | 1

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Is Matlab 2021b still in support?
"A user is asking if Matlab 2021b is still in support..." Yes. TMW never really stops supporting their products (AFAIK if you h...

約1年前 | 1

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How do I add the sum of 1st 3 elements of a vector in a for loop?
a = [32,19.41,11.77,7.14,4.33,2.63]; m = 3; s = sum(cumsum(a(1:m))) or s = a(1:m)*(m:-1:1).' or s = dot(a(1:m),m:-1:1) or...

約1年前 | 0

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How to plot specific rows from table
Simple Solution: Instead of trying to plot two tables, it would be much better to plot the table content. It just requires chan...

約1年前 | 1

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Cannot set text to UIaxes because cannot set position since xaxis is made of datetime
The basic approach is to supply an x-value which is a DATETIME object: figure() X = datetime(2025,6,1:6); Y = rand(1,6); plo...

約1年前 | 1

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Merging multiple dictionaries with cell arrays
A = dictionary({"type","value"},{"temporary",1}); B = dictionary({"color"},{"blue"}); If you want to create a new merged dicti...

約1年前 | 0

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How does Matlab extract the three columns of data from the ".out" file output by Fluent? What is the code? The attachment file is the data.out
unzip data.zip T = readtable('data.out', FileType='text', Range=3, Delimiter=["(",")"," "], ... VariableNamingRule='preser...

約1年前 | 0

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ODE event callback function does not update the solution vector
"The cause is the way the nargout function handles the event and callback functions." The cause is because you are testing anon...

約1年前 | 0

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How to add a title with mixed italic and normal text with Tex interpreter?
There might be better ways, but this seems to work: title("\it Italic title part 1 \rm\bf and \it Italic title part 2", 'In...

約1年前 | 1

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How to set variable names using Readtable with hierarchical categories (Excel file with merged cells / multiple header rows)
In lieu of a sample data file I created my own (attached) which looks like this (not all columns shown): If you must keep tha...

約1年前 | 2

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Is the Ordering of the Output from combinations() Documented, Repeatable, and Sensible?
1. "Is the ordering of the output rows from combinations documented?" Implicitly. The COMBINATIONS description states "These c...

約1年前 | 0

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Cell array Filtering when using readlines
Do not store lots of scalar strings in a cell array, doing so makes processing them harder: https://www.mathworks.com/help/matl...

約1年前 | 0

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Why READTABLE skips the first line ?
"Why READTABLE skips the first line ?" Possibly because all of the text are shared strings, which perhaps confuses the READTABL...

約1年前 | 0

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Using CurrentPoint in UIAxes in AppDesigner with timedate x axis
Because all of the data are returned in one array any datetime values are converted into a numeric equivalent (i.e. to provide o...

約1年前 | 2

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More unexpected behavior multiplying an array with a double
"I am getting unexpected results when I muliply an array by a double" It is not unexpected, because your data are not what you ...

約1年前 | 1

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How can I get unique entries and their counts and place back into the table?
"I think is due to (x) not being defined or non existing. " No, it is because you invented some syntax when defining the anonym...

約1年前 | 0

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MATLAB loads file it cannot find
"How is it possible, that MATLAB can load a file that it cannot find?" Because of what you did: "...the folder where the files ...

約1年前 | 1

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Read .txt file with dots in filename
"All my current tries using for example "load" or "readmatrix" failed since Matlab always assumes everything after the first dot...

約1年前 | 1

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How to sync Matlab file location and current pwd of command window?
Do NOT use CD for this. This is exactly what the MATLAB Search Path is for: https://www.mathworks.com/help/matlab/matlab_env/w...

約1年前 | 1

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Matrix size error using integral
"which makes no sense since I'm multiplying scalars." Nope, you aren't. "Why is this?" Because you are multiplying vectors. T...

約1年前 | 0

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Problem with formatting operators - textscan
txt = '26 mins 2013-09-17 09:01:45, 29 mins 2013-09-18 16:53:12, 33 mins 2013-09-19 18:24:27,'; Directly obtaining the intege...

約1年前 | 0

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why textscan can't parse the time like this
"why textscan can't parse the time like this" Because you have a delimiter right in the middle of your datestamp. Clearly that ...

約1年前 | 0

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