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Chad Greene


Last seen: 4 dagar ago

NASA Jet Propulsion Laboratory

1 215 total contributions since 2012

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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Contributions in
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Answered
Error with plotting a function
Try this: plot(t,(K.^(1 - (exp(t.*r.*-1)))), '-b'); I put a dot (.) before the exponents and multiplication. That turns it in...

16 dagar ago | 0

Answered
How to create a best fit line here?
It looks like the first x value is -Inf. Try eliminating that point from the polynomial fit, like this: p = polyfit(x(2:end),y...

16 dagar ago | 0

| accepted

Answered
How do I set each legend on the curve in multiple plot?
Perhaps the issue isn't the legend, but plotting the desired colors? How about specifying the colors of the plots explicitly, li...

16 dagar ago | 1

Answered
How do I smooth a dataset without built in functions
It's not quite empty--it's just plotting a single point as a tiny dot. That's because you've only solved for a single point. I...

18 dagar ago | 1

Submitted


crameri perceptually uniform scientific colormaps
Perceptually uniform scientific colormaps from Fabio Crameri.

22 dagar ago | 70 downloads |

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Submitted


gif
An easy gif generator

27 dagar ago | 106 downloads |

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Submitted


Climate Data Toolbox for MATLAB
A set of low-level functions and tutorials for analyzing and displaying Earth science data.

27 dagar ago | 228 downloads |

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Submitted


COVID19
Mapping coronavirus cases in the US

ungefär en månad ago | 4 downloads |

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Answered
Mapping a Coastline of the Antarctic showing different boundaries
To make maps of Antarctica, try Antarctic Mapping Tools. For melt data you might cosider my plugin for the Adusumilli ice shelf ...

ungefär en månad ago | 0

Submitted


Antarctic Mapping Tools
A toolbox for analysis and display of Antarctica-related data

2 månader ago | 46 downloads |

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Ice Shelf Melt Rates
Melt rate data from Adusumilli et al., 2020.

4 månader ago | 4 downloads |

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Answered
Plotting different colored line based on condition(s)
What if you create two lines and plot them separately? x = 0:1000; y = sind(x); % duplicate: y_red = y; y_red(y>0) = ...

5 månader ago | 2

| accepted

Answered
How can I regrid a climate data model from lower resolution to higher resolution?
If you have a grid of humidity data H that correspond to the 2.5 degree resolution coordinates lat and lon, then you just need t...

5 månader ago | 1

Answered
Convert large xyz file into grid
Try my xyz2grid function. It's fast, easy to use, and one of the examples in that documentation link shows how to grid up an Ant...

5 månader ago | 0

Answered
Plot netcdf datas through time
The answer depends on exactly what you want to display. Do you want 12 different maps, to show salinity distribution for each mo...

5 månader ago | 0

Submitted


BedMachine
Some tools for working with data from Morlighem et al.'s BedMachine data for Greenland and Antarctica

7 månader ago | 9 downloads |

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Question


Why is MATLAB using my network?
I'm using a wifi hotspot and I want to minimize my data usage. Unfortunately, whenever I have MATLAB R2019b open, it seems to be...

8 månader ago | 1 answer | 1

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answer

Submitted


borders
Simply plot national and US state boundaries, with or without Matlab's Mapping Toolbox.

ungefär ett år ago | 145 downloads |

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Submitted


Arctic Mapping Tools
Or: Antarctic Mapping Tools for Matlab, Greenland Edition

ungefär ett år ago | 25 downloads |

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Question


Disable automatic Data Tips
I've just updated from R2018b to R2019b, and now every time I click on a plot, it prints a new Data Tip without my asking it to....

ungefär ett år ago | 1 answer | 1

1

answer

Submitted


sinefit
Fit an annual sinusoid to data using a least-squares approximation.

ungefär ett år ago | 19 downloads |

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Submitted


Bedmap2 Toolbox for Matlab
Get Bedmap2 data into Matlab. Several tools for data access, interpolation, and plotting.

mer än ett år ago | 13 downloads |

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Answered
How to Regrid the netcdf data in order to achieve smaller/greater spatial resolution?
Hey Behzad, This is pretty straightforward: Just use interp2. When reading the data from the NetCDF file you might need to ro...

mer än ett år ago | 2

Answered
how to obtain data of long years included NetCDF file for a " small-time range"?
You can load only the time range of interest by specifying the start indices when you call ncread. Start by using ncdateread t...

mer än ett år ago | 0

| accepted

Submitted


ITS_LIVE Antarctic ice velocity data
Matlab utilities for loading, analyzing, and plotting ITS_LIVE ice velocity data.

mer än ett år ago | 1 download |

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Answered
How to plot geographical values against a parameter in a color map graph
Parivash, The first step is importing the data into Matlab. Unfortunately the lat and lon data are in degrees-minutes-decimal-...

mer än ett år ago | 1

Submitted


checker
Make a simple logical checkerboard pattern.

mer än ett år ago | 1 download |

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Question


Should this logical indexing throw an error?
I ran into an issue today whereby Matlab did NOT throw an error, but I wish it had. I had a 1D array, and I wanted to get just t...

mer än ett år ago | 1 answer | 0

1

answer

Answered
How to index every field of a structure and reassign to a structure with a single element in each field
Alternatively, you could stick with the approach you were using, but include the 'uniformoutput',false option. a = structfun(@...

mer än ett år ago | 1

Answered
How to calculate standard precipitation index (SPI)
Use the spei function in the Climate Data Toolbox for Matlab.

mer än ett år ago | 0

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