Answered
Fraction in Matlab label axis without using latex interpreter?
Can't always have what we want, unfortunately. It's been a frustration "for since forever" that there's inconsistent and limite...

3 years ago | 0

Answered
clear distinction between positive and negative values in plot
Try mymap=[0 0 1;1 1 0]; mesh(peaks) colormap(mymap) If the mean of your surface isn't zero, you might want to plot sign(Zpl...

3 years ago | 0

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Answered
How to reset the label range for a heatmap?
Sure. Use the alternate form for pcolor with the requested X, Y coordinates... C=I2disp([1:end,end],[1:end,end]; % a tem...

3 years ago | 0

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Answered
How to index a specific column in a Cell
Dereference the cell, then index into the resulting array... c=[{[[0:3].' rand(4,1)]} {[10+[0:3].' rand(4,1)]}] c{2}(:,1) ...

3 years ago | 0

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Answered
Why is pause function so inaccurate on Windows?
pause uses the Windows default system timer which is 15 msec unless a high resolution timer has been user-created/set. So, you...

3 years ago | 2

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Answered
What is missing from MATLAB #2 - the next decade edition
Maybe there's a way I've not found, but I wish arrayfun and cellfun would have automagic argument expansion so one could pass ot...

3 years ago | 1

Question

Preventing Early User Closing of Application
If the application is busy doing its thing, before it goes off and starts can disable the various buttons to prevent trying to s...

3 years ago | 1 answer | 0

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I have 24 hours data for one day. How to merge 3 hours into one bar plot?
Try the following for starters... data=repmat(randi(10,50,1),1,3).'; data=data(:); % data similar to yours with 3 repeat...

3 years ago | 0

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Answered
How can I increase x-axis ticks by 5 while the limit is auto?
Don't remember otomh whether it will affect the auto-range setting or not, but to solve the above issue about range, use somethi...

3 years ago | 0

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Answered
AppDesigner How do you load a .mat table and refer to its variables
The problem is in the form of load you used with a LHS assignment variable -- that creates a struct containing the data in the ....

3 years ago | 0

Answered
how to sort within the cell array
>> [~,ix]=sort(cell2mat(tmp(:,1))); >> tmp=tmp(ix,:) tmp = 3×2 cell array {[ 0]} {'b'} {[ 0]} {'b'} ...

3 years ago | 0

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Answered
How to check all same numbers in any row.
Just how you write can depend on whether you're changing elements within a given row and want to stop that iteration over the ro...

3 years ago | 0

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Answered
Storing a matrix in a file.
array(i)=finalLSF; tries to stuff the RHS into a single array location where finalLSF was defined as whatever the result of ...

3 years ago | 0

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How to read text data for a given pattern?
Always much better if you'll attach a section of the file for folks to work with...but try something like file=readlines('yourf...

3 years ago | 0

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Answered
Different output for find(X) and find(X<5)
find returns the values of the input argument referenced by the returned indices into the (temporary) array. In the second case...

3 years ago | 1

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Question

Struct dynamic addressing syntax
Will provide the example to illustrate -- have two field names, say 'Income' and 'Expense' which are subaccounts of many parent ...

3 years ago | 0 answers | 0

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Answered
What is missing from MATLAB #2 - the next decade edition
read/writetable from/to Excel workbooks should be able to return/write the comment (now called something else, I forget what) fi...

3 years ago | 1

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Merge parts that make up the string
S=string(['A':'E'].'); % an arbitrary array of strings join(S,"_") % join with underscore charac...

3 years ago | 0

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Answered
How can I find numeric values (stored as strings) in table of strings and convert them to double?
Well, against better judgement, if are adamant about not fixing the problem at its core, then given the previously stated condit...

3 years ago | 0

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Extracting data into different variables
"...could I extract each data of a specific country into a variable?" You could do that, but don't -- use grouping variables or...

3 years ago | 0

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creating a look up table to compare datetime stamps
Read all about <MATLAB timetable> here. It has all the tools ready-built for you...

3 years ago | 0

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Match the entries ?
Look at categorical for your name variable and then either use "==" or the string matching functions such as matches for multipl...

3 years ago | 1

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

3 years ago | 0

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

3 years ago | 0

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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'...

3 years ago | 0

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

3 years ago | 0

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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...

3 years ago | 0

Answered
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)...

3 years ago | 0

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

3 years ago | 1

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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...

3 years ago | 0