how to use color sets in maps by defining intervals in matlab (for example: lower than 10 , between 10 and 50 , between 50 and 200, between 200 and 1000, greater than 1000). thanks
What are you trying to do with those color intervals? Create a colorbar? Or perhaps a contour plot? If the latter, you can tr...

1 year ago | 1

Remove data elements of the legend from figure
Technically, you can delete parts of a legend, but I only know how to do it via code, not via to UI. I should mention that us...

1 year ago | 1

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How to plot four subfigures in one figure? Rather than subplot
I think the only slightly difficult part of this would be the modified x-ticks. When I create adjacent axes like this, I prefer...

1 year ago | 1

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Matrix dimension does not agree when using .*
When you calculate Y = diff(X,n) where X is a vector, Y will have length length(X)-n. So you need to adjust X accordingly wh...

1 year ago | 0

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How to display the data points on my graph?
Add a hold after your scatter plot: scatter(rand(10,1), rand(10,1)); hold on fplot(@(x) x, [0 1])

1 year ago | 0

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Plot a drawn, filled shape at each data point
A single multi-faceted patch will render more quickly than lots of individual rectangles. And this option allows your marker to...

1 year ago | 0

Why am I getting the error "Array indices must be positive integers or logical values."?
My guess is you have a variable named eig sitting in your workspace. So when you try to call the eig function, the variable is ...

1 year ago | 4

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Why does Matlab say my function is undefined?
If you strip out most of the commands, the main structure of your code looks like this: n=input('Enter an integer for two, th...

1 year ago | 0

netcdf reading parameters "Error using double Out of memory. Type HELP MEMORY for your options"
What does the ncdisp command tell you about the variable sizes? Just paste the output of the following: ncdisp('dataset-oc-med...

1 year ago | 2

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Why does this data file cause Matlab to lock-up?
This is just a guess, but... Did you have a script named TrajData.m open in the editor at the time you first made the typo? Mat...

1 year ago | 1

attach a field to a shapefile and plot it
Do you need to actually add a new field to the shapefiles themselves? Or just add it to the read-in structure in Matlab? If ...

1 year ago | 2

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How can I write an unformated string to file, i.e., without interpreting % and any other special characters
You can pass the string as a parameter to a simple '%s' formatter, rather than using the string itself as a format: >> fpri...

1 year ago | 1

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How to use datenum with a date represented as a scaler?
Is your final goal to convert to a datenumber or an year-month-day array? As mentioned in the other answers, if you're using a ...

1 year ago | 2

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Recreating a figure from its handle after it has been closed
No, the figure handle itself does not contain that information. The graphics objects handles loose their link to the relevant d...

1 year ago | 0

Graph Plotting! Which Function Shall I use?
A beeswarm plot might be an option... the <https://www.mathworks.com/matlabcentral/fileexchange/37105-plot-spread-points-beeswar...

2 years ago | 1

How do I read, change and write data back into the same txt file, at the same place?
To replace a specific bit of text in a text file, you're going to have to rewrite the entire file. Assuming the files above are...

2 years ago | 2

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Plotting hitmap with different box size
You can create this pretty easily using patches: The test data: c = rand(20,9)*2 - 1; % Color value s = c; ...

2 years ago | 1

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How can i crop a figure
Just to clarify, when you say "like a map", you don't mean it's a map axis (Mapping Toolbox), do you? Cropping a map axis is mu...

2 years ago | 0

How can I display elements of a 2D matrix as blue, green and red squares?
You just need to set the color limits: set(gca, 'clim', [0 10]);

2 years ago | 0

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How to Draw a Line Between Two Points on Different Axes
I suggest using annotations paired with the very handy <https://www.mathworks.com/matlabcentral/fileexchange/13634-axescoord2fig...

2 years ago | 1

Calculate number of hours below a threshold temperature
I think you should be able to accomplish this by retiming twice; once to fill in any gaps with whatever method you prefer, and t...

2 years ago | 2

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My circular_prime function only works well for two_digit input
I'd suggest looking at the |circshift| function.

2 years ago | 1

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How can I polar plot in decibels?
If you have a recent version of Matlab (R2016a or later), you can use polaraxes/polarplot to get much more flexibility in settin...

2 years ago | 1

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How to get the order indices in a character array?
c = {... 'x_air' 'v_air' 'p_headspace' 'p_environment' ...

2 years ago | 4

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What is this stack trace and what can I do to avoid it?
This isn't really an answer to the why of the question, but I can agree that this is a common problem (in my experience, at leas...

2 years ago | 0

How to plot temporal changes in batches of data?
Assuming your file is read into a table array, I think the quickest way to do this is to unstack the SSID data and then plot: ...

2 years ago | 1

Is the upper limit of a color bar the true maximum value of the data in the color map, or is it larger ?
The color limits are usually set to match the plotted data for most standard functions (pcolor, surf, imagesc, etc), although th...

2 years ago | 0

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Submitted

Divided edge bundling in Matlab
Calculate and plot graph divided edge bundle pathways for directional network graphs

Is there a function to identify whether polylines are located inside a polygonal region?
You can try out my <https://github.com/kakearney/lineinpolygon-pkg lineinpolygon.m> function. (Sorry, the GitHub repo doesn't h...

2 years ago | 1

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