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How to Extract ROI on a signal with additional rows before and after threshold
Revised to match the figure and new understanding of intent to isolate one transient and select ROI around it -- the second trac...

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Reading a set of numeric values from 100s of .txt files inside a folder
Alternatively, just as an experiment, wonder how it would work using some of the more recently introduced features -- foldernam...

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How to build up linear functions in MATLAB and plot the?
% the lookup table/interpolant function... y=[0 0.25 0.30 0.55 0.6 1]; x=[0 0.05-eps(0.05) 0.05 0.25-eps(0.25) 0.25 0.6]; %...

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How to insert both value and percentage in pie chart?
That's another terrible user interface/oversight to go along with bar -- hadn't ever used it in MATLAB before; pie charts just a...

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combine two cell into one string
opt=detectImportOptions('SummaryResult - Copy.xlsx'); opt.VariableTypes(1:2)={'char'}; tG=readtable('SummaryResult - Copy.xlsx...

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How to import multiple variable starting the same from excel?
Guessing from the above code snippet, try something like W1_data= readtable(waffer1); isDrainVar=startsWith(W1_data.Properties...

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Set one common Xaxis for a sublot with rows = 1 and columns = 2
I overlooked the labels in the original Q? body and thought was to have a combination axis itself of some sort based on title --...

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regstats The design matrix has more predictor variables than observations.
The problem is NOT that there are NaN or Inf in the data (although that could also be a cause since they're treated as missing v...

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how to plot using surf function?
osmotisk_data = readtable("tester_tabeller.xlsx"); x = osmotisk_data{:,3}; y = osmotisk_data{:,1}; z = osmotisk_data{:,2}...

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How do I change the tick label rotation on my colorbar?
They've hidden some of the ruler properties -- you have to use/access the underlying numeric ruler properties -- cb.Ruler.TickL...

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Output argument 'ENA' is not assigned on some execution paths
1, You don't have an else clause so it is possible to select a set of inputs the combination of which will not satisfy any of t...

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How to ensure that MATLAB reads the first column as a column in a table?
rownames are table metadata; they are NOT a variable which is why the column variable heading doesn't show up for them -- the ta...

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dividing a distance double by a duration time to get rate
A datenum is a double; you must mean a datetime -- subtracting them does create a duration type/class, yes. There are some wart...

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How to detect and manage occurrencies in a large .csv file?
Start perhaps with something like >> tAst=readtable('table.csv'); tAst.S_C=categorical(tAst.S_C); tAst.Sol_inters=categorical...

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How to map one array elements to another array elements?
>> awardCoef=[-10,50]; >> conc=polyval(awardCoef,feederNum) conc = 40 30 30 10 20 40 >> More genericall...

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Append and add lines in text/dat file
"..., and the easiest way to do this would be (if appending itself is impossible) to rewrite the line in its entirety by simply ...

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How do I create a beeswarm plot and boxplot together?
The basic starting point isn't difficult; some tedium in setting all the conditional fixups of symbols, colors, etc, etc., ... b...

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Multiply only certain columns in a matrix with a constant
M(:,end-5:end)=c*M(:,end-5:end);

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Extract the Transport names from the list of adapter names
I was going after @chrisw23's mode as I have a terrible time with regexp -- I can find both the start and the end of the string,...

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converting .txt file to .csv file with mixed delimiter
Using the import tool manually, just go to the section on 'delimiters' and check the comma as well as the identified blank -- it...

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Problem concatenating two strings
I hate struct, but if I understand the Q?, then try something like -- d=dir(fullfile(pwd,'test-*.txt')); fn=strcat('loc_',extr...

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bar graph with 3 axes
p=10*abs(randn(7,6)); % some dummy data -- 7 periods by 6 systems d=[72 142 225 275 975 2475 5975]; % the retur...

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converting .txt file to .csv file with mixed delimiter
filename='/Users/gulfcarbon2/Downloads/Modis Data/7da2190bbf_NSF_Rapid_HPLC_2018_AC.txt'; data=readlines(filename); data=strre...

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Convert vector to matrix
Given the above problems regarding the number of elements in the vector vis a vis the number of channels (and it can't be there'...

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Verify if a given argument is a probability distribution
Interesting puzzle...I dunno, but let's see what we can find... The class is the fully-qualified distribution name; in your abo...

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Select positive samples in a matrice
One more time, yet again, it's one of the most fundamental of MATLAB idioms/syntaxes that makes MATALB what it is -- <MatrixInde...

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Hide/remove bubbles of size = 0 in polarbubblechart
tbl.countA(tbl.CountA==0)=nan; tbl.countB(tbl.CountB==0)=nan; ... tbl.countG(tbl.CountG==0)=nan; polarbubblechart(tbl,{'a','...

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How to create 3D arrray from text file?
OK, had a little time -- XZ=zeros(50,50,50); % preallocate the output array fmt=['%fnm' re...

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Extract annualized returns from daily stock returns timetable
As per retime first syntax and its example, ttAnnRet=retime(MCStest,'yearly',@geomean);

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How to index txt file
datalength = length(data); datalength2 = datalength - 1 ; A = time(1:datalength2,1); % time data excluding last point B = t...

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