Answered
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...

2 years ago | 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...

2 years ago | 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 ...

2 years ago | 3

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Answered
How to make pcolor plot from three vector
You can calculate the bin averages pretty quickly using |discretize| and |accumarray|: Some sample data: npt = 10000; ...

2 years ago | 1

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How to take an average over one month during different years ?
A bit hard to tell from your screenshot whether your time array is an array of datetimes or an array of date strings. Assuming ...

2 years ago | 0

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Submitted


boundedline.m
Plot one or more lines with a shaded boundary (can represent error, confidence intervals, etc).

2 years ago | 156 downloads |

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Answered
Function to read a 16bit color composite image to matlab
Many years ago, I had to work with some 16-bit color avi files. Those files stored the RGB color data using 16 bits per pixel: 5...

2 years ago | 0

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Plotting vectors with different lengths due to missing values
Can you give a small sample of your data? Is it manually entered in a script, or are you reading it in from a file? In gener...

2 years ago | 1

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For loop: max iterations exceeded
That message typically comes from optimization routines, and it indicates that it wasn't able to meet the optimization criteria ...

2 years ago | 1

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Why my code doesn't work?
I haven't given any thought to the algorithm you show, though a quick test does seem to indicate it converges to cosh for small ...

2 years ago | 1

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How can I speed up these for loops?
You're calling |interp2| 800 times with a single point each. Just moving that outside the loop should be able to speed things u...

2 years ago | 0

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Change default behavior of cellfun to 'UniformOuput' = false
I really wish this was an option too! I use cellfun all the time, and almost always with cell outputs required. This is one of...

2 years ago | 1

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Answered
Generating 50 Random locations inside geo map data
Do you want the points to be specifically located in the named land mass? Or anywhere on land within the designated map limits?...

2 years ago | 0

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How can I take the cosine argument with regexp
Perhaps I'm misunderstanding what you're looking for, but does the following match the pattern you want? str = 'cos(-2/3*pi...

2 years ago | 0

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Trying to plot a point on m_map but it does not appear.
Like |plot|, the default marker for |m_plot| is none... good for plotting lines, but not single points. Add a marker and you sh...

2 years ago | 0

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Mapping Toolbox: Eigenvector specifies Color of shape file
The easiest way to do this with complex polygons (multi-face polygons or polygons with holes, as is often the case with borders)...

2 years ago | 2

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How do I get a "tabular" legend?
You can hack your way to a solution with my <https://www.mathworks.com/matlabcentral/fileexchange/31092-legendflex-m--a-more-fle...

2 years ago | 2

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Answered
Freqz plotting warning when use latex as default interpreter
The Latex interpreter assumes text is written in Latex text mode, and requires typical Latex markup ($ or $$) to switch the stri...

2 years ago | 2

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Finding normals to contours on contour plot
Take a look at the various streamline functions ( |stream2|, |streamline|, etc). Depending on your surface, you may need to do ...

2 years ago | 4

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Answered
plot multiple time plots
What version of Matlab are you running? Zooming and panning with a time axis is much easier with datetimes than datenumbers, bu...

2 years ago | 0

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Merging Table with Duplicate Dates
The |accumarray| function is designed for this sort of problem: % Your data data = {... 736561 'USA' 2752 251 7...

3 years ago | 2

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Submitted


findclump
Locate clumps of points in space

3 years ago | 2 downloads |

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Answered
HOW TO UPDATE NEWREADER FILES ?
I'll confirm that I'm seeing the same thing when viewing the newsreader through the MatlabCentral viewer. I assume this is a pr...

3 years ago | 0

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Setting a title for a legend
As a workaround, <https://www.mathworks.com/matlabcentral/fileexchange/31092-legendflex-m--a-more-flexible--customizable-legend ...

3 years ago | 4

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Plotting image over map
You'll need to georeference the image. You might be able to do this automatically on import if the image already has that info ...

3 years ago | 1

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How do I take average of specific portions of data with overlap?
First comment: don't store values in variables with numbered names like that. It just makes a mess, and that's why arrays were ...

3 years ago | 2

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MATLAB won't let me change the value of a string
Note that your initial code *doesn't* declare a 91x1 matrix of the word "base value", as you claim it does. TOTAL_VIEWPOINT...

3 years ago | 1

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How do I plot value ranges in polar or spider
Given all your specifics, I think it would be much easier to just build the plot manually, rather than try to use any FEX entrie...

3 years ago | 3

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Answered
Remove duplicate locations and replace by a single one
If you simply want to isolate the points, perhaps my <http://www.mathworks.com/matlabcentral/fileexchange/61085-findclump findcl...

3 years ago | 0

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Explicitly specifying line colors when plotting a matrix
An alternative method would be to save the handles of the plotted data and set the colors via the array option of |set|. I find...

3 years ago | 20

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