Professional Interests: ocean biogeochemistry, ecosystem modeling

Answered

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(....

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(....

25 days ago | 1

Answered

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...

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...

27 days ago | 2

Submitted

boundedline.m

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

1 month ago | 317 downloads |

Answered

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 ...

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 ...

1 month ago | 1

Answered

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...

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...

1 month ago | 3

| accepted

Answered

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...

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...

1 month ago | 1

Answered

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...

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...

2 months ago | 0

| accepted

Answered

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. ...

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. ...

3 months ago | 0

Answered

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...

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...

3 months ago | 1

| accepted

Answered

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...

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...

4 months ago | 0

Answered

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 ...

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 ...

4 months ago | 1

| accepted

Answered

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...

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...

4 months ago | 1

| accepted

Answered

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...

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...

5 months ago | 1

Answered

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...

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...

5 months ago | 1

| accepted

Answered

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 ...

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 ...

5 months ago | 0

Answered

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; ...

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; ...

6 months ago | 1

| accepted

Answered

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 ...

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 ...

7 months ago | 0

| accepted

Submitted

legendflex.m: a more flexible, customizable legend

Create a legend with more flexible positioning and labeling capabilities

7 months ago | 139 downloads |

Submitted

ecopath_matlab: A Matlab implementation of Ecopath

Reproduces the main mass-balance algorithm from the popular ecosystem modeling tool, Ecopath

7 months ago | 0 downloads |

Answered

Function to read a 16bit color composite image to matlab

Many years ago, I had to work with some 16-bit color avi files. Those files stored the RGB color data using 16 bits per pixel: 5...

Function to read a 16bit color composite image to matlab

Many years ago, I had to work with some 16-bit color avi files. Those files stored the RGB color data using 16 bits per pixel: 5...

8 months ago | 0

Answered

Plotting vectors with different lengths due to missing values

Can you give a small sample of your data? Is it manually entered in a script, or are you reading it in from a file? In gener...

Plotting vectors with different lengths due to missing values

Can you give a small sample of your data? Is it manually entered in a script, or are you reading it in from a file? In gener...

8 months ago | 1

Answered

For loop: max iterations exceeded

That message typically comes from optimization routines, and it indicates that it wasn't able to meet the optimization criteria ...

For loop: max iterations exceeded

That message typically comes from optimization routines, and it indicates that it wasn't able to meet the optimization criteria ...

9 months ago | 1

Submitted

contourfcmap: filled contour plot with precise colormap

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

9 months ago | 25 downloads |

Answered

Why my code doesn't work?

I haven't given any thought to the algorithm you show, though a quick test does seem to indicate it converges to cosh for small ...

Why my code doesn't work?

I haven't given any thought to the algorithm you show, though a quick test does seem to indicate it converges to cosh for small ...

10 months ago | 1

Answered

How can I speed up these for loops?

You're calling |interp2| 800 times with a single point each. Just moving that outside the loop should be able to speed things u...

How can I speed up these for loops?

You're calling |interp2| 800 times with a single point each. Just moving that outside the loop should be able to speed things u...

10 months ago | 0

| accepted

Answered

Change default behavior of cellfun to 'UniformOuput' = false

I really wish this was an option too! I use cellfun all the time, and almost always with cell outputs required. This is one of...

Change default behavior of cellfun to 'UniformOuput' = false

I really wish this was an option too! I use cellfun all the time, and almost always with cell outputs required. This is one of...

10 months ago | 1

| accepted

Answered

Generating 50 Random locations inside geo map data

Do you want the points to be specifically located in the named land mass? Or anywhere on land within the designated map limits?...

Generating 50 Random locations inside geo map data

Do you want the points to be specifically located in the named land mass? Or anywhere on land within the designated map limits?...

10 months ago | 0

Answered

How can I take the cosine argument with regexp

Perhaps I'm misunderstanding what you're looking for, but does the following match the pattern you want? str = 'cos(-2/3*pi...

How can I take the cosine argument with regexp

Perhaps I'm misunderstanding what you're looking for, but does the following match the pattern you want? str = 'cos(-2/3*pi...

10 months ago | 0

| accepted