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jonas


Last seen: Today
505 total contributions since 2018

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Answered
Cell arrays difference operation
First of all I would use cell2mat() to concatenate your cell array tempTOT_hot into a 261x285 array (double) Then everything is...

circa 18 ore ago | 0

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Answered
How could I plot geobubble and geoplot in the same figure?
This is not a very good solution, but its something. It seems you cannot use plotm() etc. from the mapping toolbox in the same a...

1 giorno ago | 1

Answered
How to enable the colorbar to only show the vertical scale with values ?
Not sure if this answers your question, but it's an alternative to using a colorbar for scale. Also did not use the "outside" ar...

1 giorno ago | 0

Answered
Is it possible to identify data in a for loop?
I would probably collect the data in the loop instead and then call plot outside of the loop. Could use something like this: d=...

13 giorni ago | 0

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Answered
Display data ONLY inside closed polygons
Super simple if you have X,Y,Z with Z being elevation as well as a closed polygon defined by xp and yp %some sample data [X,Y]...

14 giorni ago | 0

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Answered
Merge .txt files with specific suffix
Could do something like this if you have a small number of "groups". For a large number of groups, I would suggest just extracti...

14 giorni ago | 0

Answered
RGB Image re-interlacing missing output colors.
I'm guessing your input image is uint8 (0 = black, 255 = saturated) and that your output image is class double (0 = black, 1 = ...

17 giorni ago | 0

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Answered
How to check if my time series has a repeated hour in a matrix of 10200 rows?
Convert everything to datetime and then check the difference %some data, note that 2000-1-1 10:00:00 is repeated t = datetime(...

17 giorni ago | 0

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Answered
Saving gray scale image
Using a single color channel to convert your image to grayscale is not optimal. The gray tone is usually a combination of red, b...

17 giorni ago | 1

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Answered
How can I georeference this grid/matrix?
With the mapping toolbox you can just replace your plot functions with the corresponding map axes function. load coastlines a...

20 giorni ago | 0

Answered
how to load an ASCII file
Based on the sample given in the comments A = readmatrix('Trial 1.txt') or better yet, opts = detectImportOptions('Trial 1.tx...

20 giorni ago | 0

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Answered
replacing Nan with 0
The line does not work because the left part just returns a logical. isnan(auPoints(r,c)) = 0 It is similar to writing isnan...

20 giorni ago | 0

Answered
Axes labeling and over-plotting two graph having different data size
Problem is that you're using the outdated date format. Most of your issues will probably go away if you change to datetime forma...

26 giorni ago | 1

Answered
How to shift data in a 3D plot?
You just need to pass x and y data to surf. surf(1:256, 0:255, Z)

26 giorni ago | 0

Answered
How to plot 2d & 3d contour with xy coordinates with corresponding z values?
If you had the geometry saved, e.g. as .stl file, then you could just pass some constraints to the delunayTriangulation. However...

26 giorni ago | 0

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Answered
4 x 4 Mask to Identify Regions on Map with Highest Value
Using imresize from the image processing TB %non-overlapping (use conv2 method 'valid' for overlapping) A = imresize(Z,0.5,'b...

27 giorni ago | 1

Answered
Plotting multiple axes that are adjacent to each other
Use this FEX function https://se.mathworks.com/matlabcentral/fileexchange/27991-tight_subplot-nh-nw-gap-marg_h-marg_w

27 giorni ago | 1

Answered
How can I shade the background of a timeseries plot based on another value.
You could do something like this, %some data days = 100:199; PA = repmat([0 0 0 0 1 1 1 1 1 1],1,10); %PA = 1 -> blue ba...

28 giorni ago | 0

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Answered
Extracting Numbers from a mixed string
out=regexp(b,'\d*\.?\d+','match') Your expression will fail when there are more than 1 digits before the decimal sign, as ? is ...

29 giorni ago | 0

Answered
Removing the first row in data with multiple headers
As per isakson said, use detectimportoptions to fine-tune your table import. fname = 's03_lab_base.c3d.txt'; opts = detectImp...

29 giorni ago | 0

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Answered
How can I create a variable number of arrays and plot in the same image?
Something like this? data = readmatrix('example.txt') x = data(:,1); v = data(:,2); id = find(x == 0); im = reshape(v,id(2)...

29 giorni ago | 2

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Answered
Remove leading zeros from dates strings
You can use histogram() to count occurences, either with datetime or categoricals as input. dates = datetime(2010,1,12) + rand...

29 giorni ago | 0

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Answered
Cannot get mod to return correct value
You could try this FEX TB by John D'Errico. https://se.mathworks.com/matlabcentral/fileexchange/22725-variable-precision-intege...

29 giorni ago | 0

Answered
Changing the value of a spinner from another spinner
I'll just put it here for future reference :) Like most other objects, the slider is adjusted by changing the value field ...

circa un mese ago | 1

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Answered
How to plot 3d from scattered dataset captured from xlsx file?
You need gridded data to use surf. You have scattered data. xyz = readmatrix('sample.xlsx'); [x,y,z] = deal(xyz(:,1),xyz(:,2)...

circa un mese ago | 1

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Answered
Animating a complicated 3d graph
I just made some changes to your code to show you a different way of getting a similar result. Basically, just update the ydata ...

circa un mese ago | 0

Answered
Drawing line segments in a 3d plot
Something like this? A = rand(6,5); startv = [A(:,1),A(:,2),A(:,5)]; endv = [A(:,3),A(:,4),A(:,5)]; figure;hold on scatter3...

circa un mese ago | 1

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Answered
How to use the same .mat files in different activities AppDesigner
You could put the content of the .mat file in a public property. Go to code view > select properties > add a public property. ...

circa un mese ago | 0

Answered
Time plotting in MATLAB
You can delete the secondary label (undocumented property), delete(ax.XAxis.SecondaryLabel) ...but I would just plot the data ...

circa un mese ago | 0

Answered
Daily average of several years data
This will probably work [~,~,G] = unique([SST(:,1),SST(:,2)],'rows') out = splitapply(@mean,SST(:,4),G); You should end up wi...

circa un mese ago | 0

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