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...

11 mesi 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' ...

12 mesi 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...

circa un anno 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: ...

circa un anno 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...

circa un anno 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...

circa un anno ago | 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 ...

circa un anno ago | 1

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Submitted

ecopath_matlab: A Matlab implementation of Ecopath
Reproduces the main mass-balance algorithm from the popular ecosystem modeling tool, Ecopath

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...

circa un anno ago | 2

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...

circa un anno ago | 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...

circa un anno ago | 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(....

oltre un anno ago | 1

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...

oltre un anno ago | 2

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 ...

oltre un anno ago | 2

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...

oltre un anno ago | 3

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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...

oltre un anno ago | 1

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...

oltre un anno ago | 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. ...

oltre un anno ago | 0

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...

oltre un anno ago | 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...

oltre un anno ago | 0

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 ...

oltre un anno ago | 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...

oltre un anno ago | 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...

oltre un anno ago | 1

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...

oltre un anno 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 ...

oltre un anno ago | 2

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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; ...

circa 2 anni 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 ...

circa 2 anni ago | 0

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Submitted

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