Chad Greene
NASA Jet Propulsion Laboratory
I am interested in the floating ice shelves that fringe East Antarctica. My current work is toward building a better understanding of how climatology influences glaciology via oceanography. I also have some experience with the acoustics of gas hydrates and oceanic methane bubbles. Homepage: www.chadagreene.com Professional Interests: Antarctic ice shelf dynamics, sea level rise, underwater acoustics, methane hydrates Note: I will not do your homework for you and I will not respond to emails directing me to a question posed on the Answers forum.
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Answer 50 questions that were unanswered for more than 30 days
Awarded to Chad Greene on 20 Sep 2021
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Awarded to Chad Greene on 02 Mar 2021
Top ten contributors with the most downloaded submissions in 2022
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Content Feed
Pregunta
How to download multiple files from a website
This question has been asked many times in various ways on this forum, but I've never found a simple answer to this very simple ...
10 días hace | 1 respuesta | 0
1
respuestaHow to plot locations on a polar stereographic map?
With Antarctic Mapping Tools, use plotps. Use plotpsn in the Arctic Mapping toolbox for northern hemisphere.
2 meses hace | 3
| aceptada
Enviada
Tide Model Driver (TMD) version 3.0
Tide Model Driver for MATLAB, version 3.0
4 meses hace | 64 descargas |
Pregunta
R2022b does not start after Update 3
Today I opened R2022b on my Mac OS 12.6.1, and after working for a few minutes I noticed that Update 3 is available for this MAT...
11 meses hace | 2 respuestas | 0
2
respuestasEnviada
Lambert azimuthal equal-area projections
MATLAB functions for LAEA projections.
alrededor de 1 año hace | 4 descargas |
Pregunta
Opening multiple instances of MATLAB causes endless folder access errors
Whenever I try to open two instances of MATLAB, I run into an endless loop of error windows. For example, if I'm running 2022b a...
alrededor de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Text in editor window suddenly vanishes in R2022b.
I've run into lots of strange behavior using R2022a and R2022b on my MacOS Monterey 12.6.1, and until now it's been mostly just ...
alrededor de 1 año hace | 1 respuesta | 0
1
respuestaEnviada
crameri perceptually uniform scientific colormaps
Perceptually uniform scientific colormaps from Fabio Crameri.
alrededor de 1 año hace | 85 descargas |
Pregunta
Missing text objects when exporting graphics in R2022b
Since upgrading to R2022b, I've repeatedly run into an inssue in which text objects, legends, titles, etc do not get printed, or...
alrededor de 1 año hace | 1 respuesta | 1
1
respuestaChanging the orientation Arctic Projection maps
I typically bypass the Matlab Mapping Toolbox for stereographic projections, because the functions are kind of clunky and slow. ...
alrededor de 1 año hace | 0
Extract coordinates from a geopolyshape
@Sergey Kostrukov I think I found a working solution. The m_shaperead function in M_Map can handle PolygonZ and PolyLineZ data. ...
alrededor de 1 año hace | 0
Duplicating an entire vector
You almost got it. Try repmat(A,[1 3])
alrededor de 1 año hace | 0
| aceptada
Pregunta
How to read modern shapefile data
It seems increasingly common these days that data providers are saving shapefile data as PolygonZ or PolyLineZ data, rather than...
alrededor de 1 año hace | 2 respuestas | 1
2
respuestasPregunta
Glitchy Command Window behavior in R2022a and R2022b
I've got a MacOS 12.6.1, and I've noticed since I upgraded to R2022a that the cursor in the Command Window no longer behaves pre...
alrededor de 1 año hace | 0 respuestas | 2
0
respuestasPregunta
parpool failed to start
I'm trying to start a parallel pool in Matlab 2020b, but the pool repeatedly fails to start. Can anyone offer any guidance? Here...
alrededor de 1 año hace | 0 respuestas | 0
0
respuestasPregunta
calling a built-in private function
I'm using stream2 for a big problem that takes about a week to run on a high-performance computer. The profiler tells me that mo...
más de 1 año hace | 1 respuesta | 0
1
respuestaMapshow : attribute colors to polygons according to ID
Try this. Define a list of colors, and plot each gridcode region seperately. climate = shaperead('c1976_2000.shp'); % List...
más de 1 año hace | 0
| aceptada
Is it possible to define colormap ranges or merge colormaps?
Try concatenating colormaps, like this. Below I'm using my cmocean colormaps, which are available on File Exchange, but you can ...
más de 1 año hace | 1
| aceptada
Pregunta
stream2 fails if coordinates are single precision?
I've encountered a strange behavior with stream2 which fails silently if any input coordinates are single precision. It looks li...
más de 1 año hace | 1 respuesta | 0
1
respuestaBoundary/polygon around coastline of Greenland
I've just added a 'gl' option to plot Greenland's grounding line using BedMachine's mask. https://github.com/chadagreene/BedMach...
más de 1 año hace | 1
Pregunta
Unfamiliar .D0 number syntax
I've inherited some Matlab code that was previously adapted from Fortran, and the Matlab code has a syntax I'm not familiar with...
más de 1 año hace | 1 respuesta | 0
1
respuestaEnviada
Arctic Mapping Tools
Or: Antarctic Mapping Tools for Matlab, Greenland Edition
casi 2 años hace | 17 descargas |
Pregunta
XData and YData from area chart
I'm using the area function to create a stacked area chart of hundreds of time series. After plotting my data via h = area(t,Y...
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaCan anyone help me with the a tentative guide on how to average across the two dimensions of a 3d array, and loop it across 86 timesteps?
If you have a temperature data cube T whose dimensions correspond to lat x lon x time, the simplest way to get an 86x1 array of ...
alrededor de 2 años hace | 1
| aceptada
Better “centerpoint” than centroid of a concave polygon
I added a polycenter function to do exactly what you need in the Climate Data Toolbox for Matlab. If you have a shapefile, the...
alrededor de 2 años hace | 0
What should go in a next-generation MATLAB X?
If I could design Matlab from scratch I'd get rid of semicolons to suppress output, and make element-wise operations the def...
alrededor de 2 años hace | 0
What should go in a next-generation MATLAB X?
I'd like to define ranges using square brackets for inclusive and rounded brackets for exclusive. So insead of if x>=20 & x<30...
alrededor de 2 años hace | 0
How can I convert a shapefile boundaries to lat and lon?
If it's a standard map projection, use projinv.
alrededor de 2 años hace | 0
| aceptada
How to find a figure's centroid inside a polyshape?
Also answered here, but reposting my answer in case anyone stumbles upon this thread. I just ran into this problem when trying...
alrededor de 2 años hace | 0
Better “centerpoint” than centroid of a concave polygon
I just ran into this problem when trying to place a text label in the middle of a crescent-shaped ice shelf. The centroid or the...
alrededor de 2 años hace | 1
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