Answered
Extracting data from matrix
To only plot the ocean data, try masking out the land data by setting those values in A to NaN. like this: A(B==1) = NaN; % se...

7 months ago | 0

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Answered
Equal Sized random assortment, using randi?
This would be one way to define how many ones and how many twos in each column before randomizing them: N_cols = 8; % number o...

7 months ago | 0

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PCA Graph of Data Comes Up Blank
I think you're mixing and matching different ways of defining filenames. As a result, dir is unable to find the files you're loo...

7 months ago | 0

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datestr generating different string
How about myy = 2014; mym = 1; myd = 20; datestr(datenum(myy,mym,myd),'dd/mm/yyyy')

7 months ago | 0

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Answered
Three column table into matrix
I think table2array is the function you're looking for.

7 months ago | 1

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How to find data points within 2% tolerance of curve
Sounds like a nice homework problem. You'll probably want to use logical indexing to find the indices of the Y data that are w...

7 months ago | 0

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Answered
Plotting multiple graphs from multiple ranges in excel
The easiest way is probably to read the full range of data all at once, then loop through the different ranges you want to plot....

7 months ago | 0

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Getting a filter error today when yesterday didn't?
I suspect that yesterday you weren't including x in the filter. Yesterday you were filtering the d signal, which is just [1 0 0 ...

7 months ago | 0

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How do I fix my display of the x and y values? They should be x = 1.15 and y = 3.85.
The double equals is defining x and y as a boolean. It's saying x = 1 if minimum_voltage equals acosd(B/2*A)*5/180. Let's find o...

7 months ago | 0

Answered
How can i create these three images in one figure?
If you're question is about how to make subplots, here's how. figure subplot(3,1,1) plot(sind(1:1e4)) subplot(3,1,2) plot...

7 months ago | 0

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How can I compute the mean value over a time interval?
Hi Anna, welcome to the forum. With these types of questions it always helps if you can provide a minimal working example. But...

8 months ago | 0

Answered
What MATLAB functions are underappreciated?
One of the most powerful functions I know of took me years from hearing about its existence to using it regularly, because it's ...

8 months ago | 3

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What MATLAB functions are underappreciated?
I rarely see anyone use the lighting functions, but they're incredibly powerful and can make data come to life. They're provide ...

8 months ago | 1

Question


What MATLAB functions are underappreciated?
Open question: What MATLAB function(s) do you wish you had discovered sooner? Are there any functions that no one talks about, b...

8 months ago | 8 answers | 4

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answers

Submitted


MODIS Mosaic of Antarctica
Plot satellite images, grounding lines, and coast lines of Antarctica

8 months ago | 4 downloads |

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Answered
How to plot the point where two complicated graphs cross?
Does this do it for ya? https://www.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections

8 months ago | 0

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Array indices must be positive integers or logical values.
I think this is the error t(2*pi*j/(2*d)) The first time through the loop, j=3, which means 2*pi*j/(2*d) = 0.02 It's tryin...

8 months ago | 1

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Answered
How to create a bubble plot with Antarctic Mapping Tool
Hey @Raffaello Nardin, First off, excellent job on creating a minimal working example. That really helps me understand where y...

8 months ago | 4

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Submitted


cmocean perceptually-uniform colormaps
Perceptually-uniform colormaps inspired by oceanography

8 months ago | 126 downloads |

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Antarctic boundaries, grounding line, and masks from InSAR
A complete MEaSUREs grounding line, coast line, and mask dataset from Mouginot et al.

8 months ago | 15 downloads |

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

8 months ago | 48 downloads |

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Answered
Multi Surface Plotting & Color Control of each surface
Try setting the facecolor option using the RGB values. Here are a red [1 0 0] and a blue [0 0 1] surface, using built-in example...

8 months ago | 0

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How to make variable matrix?
In Matlab, the first index of any variable is 1, so T(0) will produce an error. Try T(1) to T(n+1).

8 months ago | 0

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Answered
Ackley Function 3D plot
It looks like the code stops at the line that says return. Try putting the function at the bottom of the script and ending it wi...

8 months ago | 0

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Submitted


anomaly
shaded line plots for anomalies

8 months ago | 10 downloads |

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

8 months ago | 13 downloads |

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Answered
Uniformly distributed random variables
Ah, this is a fun question, because the concept it's getting at is quite common across science and engineering. The process of...

8 months ago | 1

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Answered
How to select the starting point of a curve and tare all x, y plot data to this point
Perhaps you could find the index of the location where the chage in Y exceeds some critical threshold. You'll have to manually t...

8 months ago | 0

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Answered
Contour plot of spatial distribution of temperature
The regular quarter-degree spacing of the data suggests that no interpolation is necessary for this dataset--it just needs to be...

8 months ago | 0

Answered
Calculate mean of gray Value
Try this. Below I'm creating an example matrix M, and calculate the mean of only the values that exceed zero: M = peaks(100); ...

8 months ago | 1

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