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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; ...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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]);

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 2

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

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 1

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

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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: ...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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 ...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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(....

plus de 6 ans il y a | 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...

plus de 6 ans il y a | 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 ...

presque 7 ans il y a | 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...

presque 7 ans il y a | 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...

presque 7 ans il y a | 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...

presque 7 ans il y a | 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. ...

presque 7 ans il y a | 0

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Find unique in matrix of x,y coordinates
To find unique rows, you can use |unique| with the |'rows'| option. (The |'stable'| option preserves the input order, if that's...

presque 7 ans il y a | 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...

presque 7 ans il y a | 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 ...

presque 7 ans il y a | 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...

presque 7 ans il y a | 1

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Using Worldmap function to develop maps
When you say "shape of the map", do you mean you want higher resolution coastlines? If so, there are many places to download hi...

environ 7 ans il y a | 1

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Kriging codes in matlab
Walter's answer links to the best toolbox that I know of for kriging in Matlab. However, if you really want to use the gstat me...

environ 7 ans il y a | 2

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How to create array of linearly spaced values from starting and ending points
This method is faster than looping over linspace: x = linspace(0,1,nPoints); A2 = go + x.*(st - go); Here's a timing ...

environ 7 ans il y a | 7

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