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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...

7年以上前 | 0

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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...

8年弱前 | 1

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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...

8年弱前 | 6

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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; ...

8年弱前 | 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...

8年弱前 | 0

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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]);

8年弱前 | 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...

8年弱前 | 1

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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...

8年弱前 | 2

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

8年弱前 | 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...

8年弱前 | 1

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

8年弱前 | 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...

8年弱前 | 0

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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: ...

8年弱前 | 1

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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...

8年弱前 | 0

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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...

約8年前 | 1

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seimlogx not working in an iteration
The |hold on| command is the culprit... you're issuing it before you plot, so the linear axis is being held throughout. If you ...

約8年前 | 1

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How to avoid white patch in contourf ?
Matlab's |contourf| function doesn't actually plot contour faces for lower-than-lowest-clevel regions when are unenclosed. (And...

約8年前 | 2

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How can I quickly find the intersections between many individual line segments and a polygon?
Is your polygon always convex? If so, you can do the ray extension from each polygon vertex in all directions at once, and assu...

約8年前 | 1

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Insert specific number of rows of zeroes(5) after every 56 rows in my n*m matrix. I am able to create matrices but can I do the insertion without loop given I know the size of matrix? Thanks for help
Another approach, which works even if your data doesn't divide evenly: x = rand(21,6); nrow = 5; % number of ro...

約8年前 | 0

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gscatter: connecting groups by lines through this function
The |gscatter| function already plots the data as line objects... you just need to add a visible line style: h = gscatter(....

約8年前 | 3

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Legend not showing markers
I've found that legends can sometimes benefit from taking a deep breath. Not sure exactly why, but it seems that since the intr...

約8年前 | 7

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Why is an empty string not empty? isempty('') returns true, but isempty("") returns false
I think string arrays function more like cell arrays in this context... the first element of the string itself isn't empty, but ...

8年以上前 | 4

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Given the location (coordinates) of a point in a gridmesh, how can I extract the number of the grid that the point is located in?
You can use the |discretize| function to bin points: nx = 2; ny = 2; xedge = linspace(0,1,nx+1); yedge = lin...

8年以上前 | 4

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Stretch parts of axis (non uniform axis)
You could scale the data appropriately and then overwrite the tick labels, but assuming you only have a few scaling blocks, I of...

8年以上前 | 2

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How to index a matrix using the ITERATION values of a valArray with non-consecutive numbers?
There are two ways you could do this. One is to use an index value corresponding to the length of your |s| values: s = [12...

8年以上前 | 0

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Finding corresponding x value for second graph
Best guess, seeing that I can't see what your myode45function returns... It looks like your |y| matrix has at least 2 columns. ...

8年以上前 | 0

8年以上前 | 1

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I'm trying to sort one vector based on another vector of seemingly the same size, but i keep getting the index exceeds matrix dimensions error. What's the issue?
I'm pretty sure there a couple things in here that aren't working like you'd like them to. First, in you capital function, t...

8年以上前 | 0

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Lines of longitude. How to merge points?
Assuming this is a first step in mapping something a bit more complicated, I'd suggest using an existing mapping toolbox rather ...

8年以上前 | 1

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search through an array for patterns and put into cell arrays.
This sort of problem can usually be solved by using a various combinations of |diff|: A = [ 1 2 3 78 28 92 1 76 89 90 23 87...

8年以上前 | 1

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