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Plotting A Large Number Of Patches
Creating a single multi-faceted patch is much, much more efficient than plotting lots of single-face patches. In the figure you...

presque 4 ans il y a | 3

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i have a syntax error in u(3)-u(4)(​exp((u(2)u​(1)+u(6)))​)/(u(5))-1​) what the error ?
A few missing multiplication symbols: u(2)*u(1) and u(4)*(exp...)

environ 4 ans il y a | 1

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Specify location of clabel
I've used the FEX function gclabel in the past to do this sort of thing, though I haven't tested it in any recent versions of Ma...

environ 4 ans il y a | 0

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Extracting Numbers from a mixed string
Assuming numbers only appear as properly-formatted combos, you can simply look for all number-decimal groups: b = regexp(str, '...

environ 4 ans il y a | 2

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Adjusting my time axis(x axis) accordingly
t = (0:(n-1))*(1/fs); plot(t,y1)

environ 4 ans il y a | 0

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plotting 2gb worth of data
You're trying to show about 10x more data than could possibly be visualized, even on a 4K monitor. Even if you didn't run out o...

environ 4 ans il y a | 0

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How to make a circular graph (node connections)?
The short answer is that you can indeed make these in Matlab, but it's not simple. You basically need to recreate the calcula...

environ 4 ans il y a | 0

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Daily average of several years data
You might also take a look at reshapetimeseries.m (part of the Climate Data Toolbox). Setting the 'bin' option to 'date' will r...

environ 4 ans il y a | 0

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error bars continue at other border of figure
I think the easiest way to do this would just be to plot the data, plus the data shifted one modulo to each side; the replicates...

environ 4 ans il y a | 1

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Plot curve becomes jagged after 1000 data points (seems to plot one point and stretch it the length of 10)
It's difficult to say without actually seeing the underlying data... but at first glance this looks like a change in precision i...

environ 4 ans il y a | 0

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Heat (or color coded Map) in Matlab
In my opinion, the easiest way to do this is to alter the colors of the patches after plotting with mapshow/geoshow. An example...

environ 4 ans il y a | 1

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Can the vertical exaggeration of geographic axes be reduced so plots don't warp as much as they do now?
If you don't have the Mapping Toolbox, I recommend using m_map. Basically, you're asking to reinvent map projections, and that'...

environ 4 ans il y a | 0

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What happened to the ESRI file in the mapping toolbox projection files in 2020b PR?
I'm not sure if this will work for your use case, but I wrote my shapeprjread function to parse certain projected shapefiles. I...

environ 4 ans il y a | 0

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Colour plot vs Time on a circle
It's not clear to me whether you've already created the circle plots in Matlab, or if you just sketched out your desire outcome....

plus de 4 ans il y a | 1

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Contourf is plotting weird lines. How to remove them?
When you let contour choose contour levels automatically, it doesn't always choose the levels you really want. In this case, it...

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How can I make following part of code without for loop?
I'm having a hard time finding a solution that's faster than the original loop... % Build test data n_values = 10000; nc =...

plus de 4 ans il y a | 0

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how to get the value in julian date and time
Can you explain what you're defining as "Julian date"? While the 4714 BCE reference date is the proper one for a real Julian da...

plus de 4 ans il y a | 1

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change y values in figure to names
You need to calculate where each month falls, in terms of hours: ttk = datetime(2019,1:13,1); set(gca, 'xtick', hours(ttk-da...

plus de 4 ans il y a | 3

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Is it possible to bring "grid on" to the front of a figure?
By default, all plotted objects are rendered on top of the axis (including axis lines, grid lines, etc). You can reverse that b...

plus de 4 ans il y a | 4

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How to remove border line of a circle graph
set(gca, 'visible', 'off'); or axis off;

plus de 4 ans il y a | 1

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preserving the absolute location of an annotation after changing axis limits, or typing 'axis square'
You might want to try my line2arrow function; it allows you to an an arrowhead to a line (plotted with normal axis coordinates),...

plus de 4 ans il y a | 0

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World coordinates XY scale
The imshow function automatically sets the DataAspectRatio to be [1 1 1], i.e. the same effect as axis equal. To undo this, set...

plus de 4 ans il y a | 1

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Counting how many times a number occured after a specific number
This is a good use case for accumarray: S = [ 3 2 2 4 3 1]; [seq, ~, g] = unique([S(1:end-1)' S(2:end)'], 'rows'); n = ...

plus de 4 ans il y a | 2

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How do I extract the HH:MM:SS.FFF portion of a julian day time stamp?
An alternative method that avoids regular expressions would be to let datetime to the parsing for you: Data_Time_Stamp_Cells = ...

plus de 4 ans il y a | 1

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Unstack - How to break a table into equal chunks of data?
I usually just use splitapply for this sort of thing. (And the kron trick is a nice one for generating repeating blocks of numb...

plus de 4 ans il y a | 1

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Plotting with four y-axes in the same figure, with multiple datasets against one of the y-axes
While there are a lot of FEX options out there, I really think it's easier to manually control things once you start playing aro...

plus de 4 ans il y a | 6

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How do I create a 2d surface plot for a function of x and y?
Change fxy = sin(x).*cos(y) to fxy = sin(xm).*cos(ym)

plus de 4 ans il y a | 1

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Plotting contourf with discrete x axis
The contour function always assumes your input data are points on a surface that can be linearly interpolated between. To get a...

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what does the string #ok<NASGU> mean in the code editior
That code disables the Code Analyzer from suggesting changes to the syntax. Specifically, <NASGU> refers the the ID associated ...

presque 5 ans il y a | 1

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How to combine all columns of an array into one column?
Are the values in A always going to be less than 10? If not, what answer do you want? I see two possibilities; treat each valu...

presque 5 ans il y a | 0