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Datetime to string format issue
>> datetime(start,'InputFormat','yyyy-MM-dd''T''HH:mm:ss') ans = datetime 06-Sep-2022 >> datetime(start,'InputFormat',...

plus de 3 ans il y a | 0

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ceil at specified decima
>> ceil(x/10)*10 ans = 1240.00 >>

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Finding average data from a large data matrix
tData=array2table(X.','VariableNames',{'Year','Month','Day','Data'}); tMonthAvg=rowfun(@mean,tData,'GroupingVariables',{'Month'...

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how to make a 3x3 matrix a 9x1 matrix?
Transpose first... x=reshape(x.',[],1);

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how to separate columns from txt file
Use the force, uh, er, detectImportOptions, @Venkatkumar M... opt=detectImportOptions('r4.4u_db.txt','NumHeaderLines',1,'Delimi...

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how to recreate excel table in matlab
C=readmatrix('esempio.xlsx','Sheet','coord'); % get inputs... L=readmatrix('esempio.xlsx','Sheet','lambda'); N=size(L,2)...

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Does findpeaks only provide one output?
You apparently have downloaded either another function or app that has aliased the MathWorks-distributed findpeaks routine. The...

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Index an array using specific indices
Well, if size N = 107199 while s is of size 1x518, then 107199 > 518 so any location in x past numel(s) is going to be an out of...

plus de 3 ans il y a | 0

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Compiled app startup splash screen display
The <following> (from 2016 with the Answer/Comment just a month ago) didn't pop up in my meager looking before posting seems to ...

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Compiled app startup splash screen display
When starting compiled app, the splash screen comes up for a (very) brief time, then goes black -- but it takes quite a long tim...

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How do I plot lines/points on top of a heatmap?
More About section for heatmap includes the following disclaimer -- Standalone Visualization A standalone visualization is a...

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How to use timetable function to insert it into data cleaner app ?
load(websave('a.mat','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1178268/a.mat')) Fs=1; % assume ...

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How can I add animation on the existing subplots?
I've got more going on at the moment than have time to deal with the synchronization issue, but the animated line in an existing...

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for loop on all the lines of text
fidI=fopen('TARGETOLD.txt'); % Input file fidO=fopen('_modified.txt','w'); % Output file fid=fopen('HeadScri...

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for loop on all the lines of text
No loop needed, at least initially... C=readlines('TARGETOLD.txt'); idx=contains(C,';TIME_ELAPSED:'); E=C(idx); Now, what do...

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AppDesigner Packaging Data Files Location
OK, in the end I did as the above suggestion from @Mario Malic -- used %LOCALAPPDATA% root and the app creates a subfolder for i...

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AppDesigner Packaging Data Files Location
Packaged an EXE with MATLAB Compiler -- on install, accepted default location and let it put a shortcut on the desktop. That we...

plus de 3 ans il y a | 1 réponse | 0

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Format ToolTip strings in AppDesigner
Just got to this point myself after seeing Yair's example for GUIDE controls -- another step backwards in abilities; in R2020b i...

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Question


UIPUTFILE Documentation Innaccurate/Change Warning Dialog?
The doc for returned file argument for uiputfile says in part... If the user specifies an existing file name, then a warning di...

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How to Search a struct array?
With the ID field being a string, probably the easiest syntax is simply ID=="864475047572713"; idx=find(matches([alldata.ID],I...

plus de 3 ans il y a | 0

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How can I fix this?
Don't alias the builtin sqrt function by assign a value to it and thereby turning the reference to sqrt into a variable. sqrt =...

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How to split the table selectively and create another table by giving new column names?
Well, I had a full, long executing example that ran but then the forum page crashed -- I'm too lazy to try to redo that whole th...

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How to check trend in two dataset?
Try corr for starters...

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Error using pwelch - Expected x to be finite.
x=load('\\fs01.hpc.unipr.it\bonini01\WIRELESS_Wifi_Router_Impianti2021\Acquisizioni Deuteron\ProvaHyper_20220915_M1\LFP1.mat'); ...

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Sum of columns in a mxn Matrix on matlab
s=column_sum(A,cl+1); Will crash if pass cl > size(A,1) as there's no error checking for cl being out of range. As for the...

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Save a stream of bytes into a zip file
PKZip was/is shareware, it should be possible to turn the code for it into a callable mex file that works from memory; it's quit...

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How to extrapolate an x value from a fitting curve?
xvalues = [10; 12; 22; 28]; yvalues = [1; 2; 3; 4]; % Fit model to data. [fitresult, gof] = fit( xvalues, yvalues, 'linearint...

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Data in multiple separate .xlsx sheets and move to only one .xlsx sheet
%fn=websave('cpc_global_precip_precip.2020.xlsx','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1166433/cpc_glo...

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plotting an array in frequency domain
L=numel(t); % how long is t vector??? f = Fs*(0:L-1); % zero-based frequency of same number elements NOTA BENE:: T...

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How to run an external Matlab(.m) files and call its functions from an application code-view file?
See <class-definition-and-organization> area in the docs -- you package your classes so your application can import them and the...

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