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I keep getting error for undefined function or variable, and I am not sure how to fix it
Post the full error text. I'm pretty sure it doesn't say line 5. |Y1| and |Dmge| might be defined in your base workspace, bu...

5 years 前 | 0

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已回答
Print column value for lowest element in each row of an 2D array
Why do you want to |fprintf| the result? Anyway, try: fprintf('%d\n',idc);

5 years 前 | 0

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I'm given a data set of over 7500 points (generated by an ECG) and I need to find all of the relative max and mins.
Have you tried the |<https://www.mathworks.com/help/releases/R2017b/matlab/ref/islocalmin.html islocalmin>| and |<https://www.ma...

5 years 前 | 0

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Matrix and tables fusion
Assuming a |table| output variable is acceptable: Var1 = randi(99,10,2); Var2 = randi(10,10,1); T = table(Var1,Var2) ...

5 years 前 | 0

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How to obtain radio button index in APP Designer
There are a few ways to do it, each with a different level of impact to your code. The way that requires no changes except a ne...

5 years 前 | 0

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提问

Listening to uimenu ChildAdded event causes screen print
Does anybody know why the following code: m = uimenu(figure,'Text','ParentMenu'); lsn = addlistener(m,'ChildAdded',@(~,~...

5 years 前 | 0 个回答 | 0

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个回答

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what a sign for this error ?
There's not a lot to go on, but my only guess is you don't have MS Office Excel installed on a Windows machine. Without Excel i...

5 years 前 | 0

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Symbolic indefinite integral of piecewise function gives wrong results
I disagree that the second attached image "obviously is not a correct antiderivative of the given function." If you take its de...

5 years 前 | 1

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How to generate sequenced file names with file extensions?
See the <https://www.mathworks.com/help/matlab/ref/num2str.html#btf97wr documentation for num2str> to find the |formatSpec| inpu...

5 years 前 | 1

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已回答
How to preallocate to decrease run time?
You can use |unique| to make your loop more robust. Then, logical indexing is much better than the |find| you've included. In ...

5 years 前 | 0

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AppDesigner UIListBox Multi-Select Corrupts .MLAPP File
A second approach that somebody out there might have more luck with is to hack the .MLAPP file directly. I know it's just a .ZI...

6 years 前 | 0

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AppDesigner UIListBox Multi-Select Corrupts .MLAPP File
It isn't the best, but I found out the "corrupted" .MLAPP files will open in newer releases just fine. This doesn't help if you...

6 years 前 | 1

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Plotting very slow and took long time to launch plot tool
Given information from your comments that y is 50x1801, the command plot(x,y,'LineWidth',2); Will already plot *all* 50 ...

6 years 前 | 1

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How to retrieve an extension type based on the location of a folder that is storing images?
The |ext| has to be empty, you've used |uigetdir| and directories can't have extensions. Your best bet is do a quick |dir| on t...

6 years 前 | 0

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How to write a char variable as filename in xlswrite
xlswrite([PST],'.xlsx',data,1,'A1') Passes '.xlsx' as the second input argument to |xlswrite|. You want to concatenate it ...

6 years 前 | 0

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Assign a "double-column" to a "cell-coloumn"
You can replace _one entire_ column with NaN very simply: tableVariable.VarWithErrors = NaN(height(tableVariable),1); To...

6 years 前 | 0

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The documentation for the Simulink Generic Battery Model seems wrong
That bug report link asks me to log into my MathWorks account, and doesn't say anything about SalesForce. After logging in, the...

6 years 前 | 0

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How to make a modal window generated during openingFcn on top of the GUIDE window
Use |uiwait|. h = warndlg(. . .); uiwait(h); %%% These commands won't execute until warndlg is closed %%% I.e., yo...

6 years 前 | 0

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已回答
Editor and command windows next to each other, Part 3
Preferences (including layouts) are user-specific. As Paolo explained, your layout is already saved every time MATLAB closes (p...

6 years 前 | 0

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Problem Diagnosing Adding Vectors to Cell Array
Can't track for sure, but it looks like |Q| is a scalar. I think you want to replace: for j = 1:length(Q)-1 % length(Q) = ...

6 years 前 | 0

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已回答
How to correct this?
If the first non-comment line is not a |function| declaration (or a few other options such as |classdef|), the file is a _script...

6 years 前 | 0

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Extracting Exponential Numbers from Cell Arrays
You're already using |textscan|, did you try the <https://www.mathworks.com/help/matlab/ref/textscan.html?s_tid=srchtitle#btg0ke...

6 years 前 | 0

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已回答
Matlab doesn't change MarkerSize
The unit of 'MarkerSize' is 'points' which is typically 1/72 inch. Depending on your OS, there are usually 96 pixels per inch. ...

6 years 前 | 2

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已回答
uisetcolor -- IPC process exited. Exit code: 127
See <https://www.mathworks.com/matlabcentral/answers/321269-opening-uisetcolor-extremely-slow-r2016b here> for reverting to the ...

6 years 前 | 1

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plotyy: changing the line-style to 'o--'
'o--' and others are shortcut inputs to |plot| commands when you *don't* pass a parameter. In this case, you are specifying a _...

6 years 前 | 2

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已回答
how to get combination
If you have the Symbolic Math Toolbox, you can use the |<https://www.mathworks.com/help/symbolic/divisors.html divisors>| functi...

6 years 前 | 0

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Error scatter plot time vs wind speed (data from a table)
You're misunderstanding how MATLAB operates. Functions like |table2array| don't manipulate the variable _in place_, they return...

6 years 前 | 0

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Error when trying to change the colour of a line in a figure
_Error using matlab.ui.internal.dialog.WebColorChooser/show (line 72)_ indicates you're using |uisetcolor|, and that's causing t...

6 years 前 | 2

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已回答
How to show an individual YTickLabel to the right of the single Y axis?
It isn't elegant, but space pad the tick label until it shows up better.

6 years 前 | 0

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How to adjust the locations of characters in biplot?
The output of |biplot| is an array of handles. In there will be the variable labels. Each has a _position_ property you can man...

6 years 前 | 0