Answered
How to add error bars as a region about the data?
Very crude but with some data at hand illustrates one way... X=1:numel(c); hL=plot(X,c,'kx-'); % plot orig...

3 years ago | 0

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Answered
Error writing a cell to a text file having numerical value separated by space
OK revisitng with the previous comments -- as thought, using the MATLAB fixed-width import object makes things much simpler to d...

3 years ago | 1

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Answered
Extracting extremum X,Y coordinates from plot
findpeaks in the Signal Processing TB can be very helpful for such -- remember a minimum is the maximum of a negated signal. Pe...

3 years ago | 1

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Answered
Problem using retime for timetables
Your issue is the input time sampling isn't actually on precisely a one-minute interval; the recorded timestamps include fractio...

3 years ago | 0

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How to replace the values of a vector from desired location to its end?
The log scale plot was helpful to visualize the situation...good idea, but then you're far more aware of what the data are than ...

3 years ago | 0

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Answered
Error writing a cell to a text file having numerical value separated by space
I'd do the conversion first, then make whatever mods are desired...I'm assuming the file has been corrupted by the display artif...

3 years ago | 1

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How to present randomly 70 different images on 70 different trials from a set of 161 images which is stored in a particular folder ?
Your code works except you're not doing anything inside the loop with each image in turn; you're just reading in and overwriting...

3 years ago | 0

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Answered
Have code check if file exists and if not, continue
... dL = dir(fullfile(directory,'*HLF*BX NOM.txt')); dH = dir(fullfile(directory,'*HHF*BX NOM.txt')); for i = 1:numel(inf) ...

3 years ago | 0

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A quick way to make sure the columns in each row are decreasing for matrix A
That'll take iterating over the columns...and could be necessary to be recursive depending upon the input data. But, for the on...

3 years ago | 0

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add 'dd-MMM-yyyy' data to datetime array in form 'HH:mm:ss:SSS' with rollover
Let's try a little mod on @Star Strider's idea... Times = ['23:59:59:873' '23:59:59:893' '23:59:59:933' '23:59:5...

3 years ago | 1

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When converting datenum to datetime, days are off by 1 and years are incorrect
Per documentation, Excel uses funky time conventions; use the conversion from Excel and all will be well...I saved only about 25...

3 years ago | 0

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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

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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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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

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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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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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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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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