Submitted

contourfcmap: filled contour plot with precise colormap
Creates a filled contour plot, with more precise control over colors than contourf.

2 years ago | 6 downloads |

Submitted

line2arrow.m
Combines line plotting with annotation arrows.

2 years ago | 30 downloads |

How to reduce data irregularly?
It sounds like you're looking for a line simplification algorithm. These algorithms try to preserve the shape of a polygon or p...

2 years ago | 0

How to set plot color for N curves to be a gradient of N color shades between light blue and dark blue (or any other color)?
I suggest reformatting the color-generating function so that instead of returning the entire gradient colormap, it returns only ...

3 years ago | 3

| accepted

Separating 1D data into clusters and counting the amount of elements in each
If the cluster tolerance defines how close points need to be to their nearest neighbor in order to be called a cluster, then you...

3 years ago | 1

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How to load .mat data from another folder?
The dir command returns the path to each file in the folder field, so you need to append that to recreate the full path names fo...

3 years ago | 2

| accepted

Submitted

offsetaxis
Offsets an x- or y-axis from the plotted axis area

3 years ago | 14 downloads |

Plotting three axis with one y axis
I like to do this sort of thing the manual way, using my offsetaxis function. It requires a little more manual coding than func...

3 years ago | 0

cutline of a triangular meshed graph
The simplest way to do this is to simply interpolate z for a set of points defined by x = 0 and y = the range of your y-data. F...

3 years ago | 0

How interp2 deal with edges on bicubic interpolation?
interp2 does not extrapolate. By default, it sets any points outside the data bounds to NaN; you can alternatively choose a dif...

3 years ago | 1

Plotting a point in Matlab
If you just want a single point with an arbitrary size, try plot, and play around with the 'markersize' property. Be sure to sp...

3 years ago | 0

How to find graph density in MATLAB for a given graph G?
You can simply calculate the number of non-zero elements relative to total elements in the adjacency matrix: nnz(adjacency(G))....

3 years ago | 0

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How to Create Plot of Weights at Spatial Locations (Connectivity Map)
There aren't any pre-packaged functions to do this, but it should be pretty straightforward to create a function the calculates ...

3 years ago | 0

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What should be dimension of surf(X,Y,Z) 3D?
You just need to transpose Z: surf(hw, rw, Z')

3 years ago | 0

How to extract -3 dB diameter from Matrix?
The coordinates of the contour line are saved in the c matrix, albeit in a less than user friendly format. I like using the con...

3 years ago | 0

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Monthly maximum in data
While you could do this with find, using the second output of max is a bit quicker. % Some fake data similar to yours t ...

3 years ago | 0

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Is it possible to convert a heatmap to a Matrix ?
Unlike most Matlab plotting functions, heatmap is annoyingly heavy-handed. It really wants to be used as a quick browsing tool,...

3 years ago | 0

How to create isolate nodes in graph?
The easiest way would be to simply add the isolated node to the existing graph: G = graph({'a', 'b', 'c'},{'c', 'a', 'd'}); G ...

3 years ago | 1

Changing order of legend entries when lslines are included
The easiest way to be certain your legend labels match up is to pass handles specifically: figure; p = plot([1 2;2 1;3 1;1 4...

3 years ago | 1

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How to label the x axis of a polar plot?
You can label polar axes with text objects. I find the following positioning works well as a default... you may need to play ar...

3 years ago | 0

Outputting how far down a set of data a set of numbers are in a large data set
If you supply 2 outputs to find, it will return the row and column indices corresponding to each true element: [rowidx, colidx]...

3 years ago | 0

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Legends not matching colors
Are you certain that those are the only plotting commands? Did you perhaps test plot once with hold on, then call your commands...

3 years ago | 0

Can't seem to get the functions to graph properlly
You've chosen a pretty coarse resolution for t. If you change it to something like t = linspace(0,5,100); do you get what yo...

3 years ago | 0

Diagonal Node Labels for Bipartite Graph?? (Undirected Graph Formatting Help)
The node labels in a plotted graph are difficult to alter. You can get to them by digging into undocumented properties. For ex...

3 years ago | 0

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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...

3 years ago | 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...)

4 years ago | 1

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...

4 years ago | 0

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, '...

4 years ago | 2

| accepted