Professional Interests: ocean biogeochemistry, ecosystem modeling

Answered

(mapping toolbox) Map axes xdata, ydata and zdata meaning?

Map axes apply a geographic transform to convert the geographic coordinates to the projection used by the map axis. You can per...

(mapping toolbox) Map axes xdata, ydata and zdata meaning?

Map axes apply a geographic transform to convert the geographic coordinates to the projection used by the map axis. You can per...

19 jours ago | 2

| accepted

Answered

cut out section of x axis

Rather than shifting data and manually overriding tick labels, I prefer to use multiple axes to achieve breaks like this. The a...

cut out section of x axis

Rather than shifting data and manually overriding tick labels, I prefer to use multiple axes to achieve breaks like this. The a...

19 jours ago | 2

Answered

Plotting X, Y cordintions with a line short line that indicates the angle

With quiver, the u and v arguments represent the horizontal and vertical components of the arrow you want to draw. You can calc...

Plotting X, Y cordintions with a line short line that indicates the angle

With quiver, the u and v arguments represent the horizontal and vertical components of the arrow you want to draw. You can calc...

19 jours ago | 1

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Answered

How can I assign several values from cell-array tovariables?

I think you'll need to use a quick intermediate variable so you can convert the numeric array to a comma-separated list: tmp = ...

How can I assign several values from cell-array tovariables?

I think you'll need to use a quick intermediate variable so you can convert the numeric array to a comma-separated list: tmp = ...

19 jours ago | 1

| accepted

Answered

How to use animated line

A couple notes here... First, plotting a graph object creates a GraphPlot object, not a line, so it can't be used (out of the b...

How to use animated line

A couple notes here... First, plotting a graph object creates a GraphPlot object, not a line, so it can't be used (out of the b...

27 jours ago | 1

Answered

Creating a graph with both descending and ascending x-axis and one y-axis

Does this do approximately what you want? ax(1) = axes('position', [0.1 0.1 0.4 0.8], 'box', 'off', 'yaxisloc', 'left', 'xdir',...

Creating a graph with both descending and ascending x-axis and one y-axis

Does this do approximately what you want? ax(1) = axes('position', [0.1 0.1 0.4 0.8], 'box', 'off', 'yaxisloc', 'left', 'xdir',...

3 mois ago | 1

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Answered

Colour range in a surfplot

By default, a surf plot uses faceted shading, which means that each face is a solid color, determined by a single vertex in that...

Colour range in a surfplot

By default, a surf plot uses faceted shading, which means that each face is a solid color, determined by a single vertex in that...

5 mois ago | 5

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Answered

How to change the origin from (0,0) to different coordinates in a plot

You don't need to move the axis; you need to provide x-values for your data. Right now, you're using the ydata-only option for ...

How to change the origin from (0,0) to different coordinates in a plot

You don't need to move the axis; you need to provide x-values for your data. Right now, you're using the ydata-only option for ...

5 mois ago | 0

Answered

I got "The expression to the left of the equals sign is not a valid target for an assignment."

As others have pointed out, i is already assigned the value you want by default. But assuming it weren't, the proper way to ass...

I got "The expression to the left of the equals sign is not a valid target for an assignment."

As others have pointed out, i is already assigned the value you want by default. But assuming it weren't, the proper way to ass...

5 mois ago | 0

Answered

Create a Matrix with Specific Pattern for Changing Values

Create a grid of values, then unwrap: xval = [-3*pi/4 -3*pi/8 0]; [a,b,c] = ndgrid(x,x,x); x = [c(:) b(:) a(:)]

Create a Matrix with Specific Pattern for Changing Values

Create a grid of values, then unwrap: xval = [-3*pi/4 -3*pi/8 0]; [a,b,c] = ndgrid(x,x,x); x = [c(:) b(:) a(:)]

5 mois ago | 0

Answered

How do I insert multiple vectors as diagonals in the same matrix?

You're close... you just need to add the matrices together: A = diag(v,1) + diag(v,-1) + diag(v1,0)

How do I insert multiple vectors as diagonals in the same matrix?

You're close... you just need to add the matrices together: A = diag(v,1) + diag(v,-1) + diag(v1,0)

5 mois ago | 0

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Answered

How to concentrate matrices of different row length (same column length) into one matrix by unfolding each of the matrices to the smallest row length conatining numbers not nan

Do any of your matrices have non-trailing blank/all-NaN lines that you want to preserve? Or are you just trying to strip out th...

How to concentrate matrices of different row length (same column length) into one matrix by unfolding each of the matrices to the smallest row length conatining numbers not nan

Do any of your matrices have non-trailing blank/all-NaN lines that you want to preserve? Or are you just trying to strip out th...

5 mois ago | 2

Answered

find the shortest path

Take a look at graph and digraph objects; the shortestpath function provides several different algorithms to calculate this for ...

find the shortest path

Take a look at graph and digraph objects; the shortestpath function provides several different algorithms to calculate this for ...

6 mois ago | 2

Answered

how to use color sets in maps by defining intervals in matlab (for example: lower than 10 , between 10 and 50 , between 50 and 200, between 200 and 1000, greater than 1000). thanks

What are you trying to do with those color intervals? Create a colorbar? Or perhaps a contour plot? If the latter, you can tr...

how to use color sets in maps by defining intervals in matlab (for example: lower than 10 , between 10 and 50 , between 50 and 200, between 200 and 1000, greater than 1000). thanks

What are you trying to do with those color intervals? Create a colorbar? Or perhaps a contour plot? If the latter, you can tr...

6 mois ago | 1

Answered

Remove data elements of the legend from figure

Technically, you can delete parts of a legend, but I only know how to do it via code, not via to UI. I should mention that us...

Remove data elements of the legend from figure

Technically, you can delete parts of a legend, but I only know how to do it via code, not via to UI. I should mention that us...

6 mois ago | 1

| accepted

Answered

How to plot four subfigures in one figure? Rather than subplot

I think the only slightly difficult part of this would be the modified x-ticks. When I create adjacent axes like this, I prefer...

How to plot four subfigures in one figure? Rather than subplot

I think the only slightly difficult part of this would be the modified x-ticks. When I create adjacent axes like this, I prefer...

6 mois ago | 1

| accepted

Answered

Matrix dimension does not agree when using .*

When you calculate Y = diff(X,n) where X is a vector, Y will have length length(X)-n. So you need to adjust X accordingly wh...

Matrix dimension does not agree when using .*

When you calculate Y = diff(X,n) where X is a vector, Y will have length length(X)-n. So you need to adjust X accordingly wh...

6 mois ago | 0

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Answered

How to display the data points on my graph?

Add a hold after your scatter plot: scatter(rand(10,1), rand(10,1)); hold on fplot(@(x) x, [0 1])

How to display the data points on my graph?

Add a hold after your scatter plot: scatter(rand(10,1), rand(10,1)); hold on fplot(@(x) x, [0 1])

6 mois ago | 0

| accepted

Answered

Plot a drawn, filled shape at each data point

A single multi-faceted patch will render more quickly than lots of individual rectangles. And this option allows your marker to...

Plot a drawn, filled shape at each data point

A single multi-faceted patch will render more quickly than lots of individual rectangles. And this option allows your marker to...

6 mois ago | 0

Answered

Why am I getting the error "Array indices must be positive integers or logical values."?

My guess is you have a variable named eig sitting in your workspace. So when you try to call the eig function, the variable is ...

Why am I getting the error "Array indices must be positive integers or logical values."?

My guess is you have a variable named eig sitting in your workspace. So when you try to call the eig function, the variable is ...

10 mois ago | 2

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Answered

Why does Matlab say my function is undefined?

If you strip out most of the commands, the main structure of your code looks like this: n=input('Enter an integer for two, th...

Why does Matlab say my function is undefined?

If you strip out most of the commands, the main structure of your code looks like this: n=input('Enter an integer for two, th...

10 mois ago | 0

Answered

netcdf reading parameters "Error using double Out of memory. Type HELP MEMORY for your options"

What does the ncdisp command tell you about the variable sizes? Just paste the output of the following: ncdisp('dataset-oc-med...

netcdf reading parameters "Error using double Out of memory. Type HELP MEMORY for your options"

What does the ncdisp command tell you about the variable sizes? Just paste the output of the following: ncdisp('dataset-oc-med...

10 mois ago | 2

| accepted

Answered

Why does this data file cause Matlab to lock-up?

This is just a guess, but... Did you have a script named TrajData.m open in the editor at the time you first made the typo? Mat...

Why does this data file cause Matlab to lock-up?

This is just a guess, but... Did you have a script named TrajData.m open in the editor at the time you first made the typo? Mat...

12 mois ago | 1

Answered

attach a field to a shapefile and plot it

Do you need to actually add a new field to the shapefiles themselves? Or just add it to the read-in structure in Matlab? If ...

attach a field to a shapefile and plot it

Do you need to actually add a new field to the shapefiles themselves? Or just add it to the read-in structure in Matlab? If ...

12 mois ago | 1

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Answered

How can I write an unformated string to file, i.e., without interpreting % and any other special characters

You can pass the string as a parameter to a simple '%s' formatter, rather than using the string itself as a format: >> fpri...

How can I write an unformated string to file, i.e., without interpreting % and any other special characters

You can pass the string as a parameter to a simple '%s' formatter, rather than using the string itself as a format: >> fpri...

12 mois ago | 1

| accepted

Answered

How to use datenum with a date represented as a scaler?

Is your final goal to convert to a datenumber or an year-month-day array? As mentioned in the other answers, if you're using a ...

How to use datenum with a date represented as a scaler?

Is your final goal to convert to a datenumber or an year-month-day array? As mentioned in the other answers, if you're using a ...

12 mois ago | 2

| accepted

Answered

Recreating a figure from its handle after it has been closed

No, the figure handle itself does not contain that information. The graphics objects handles loose their link to the relevant d...

Recreating a figure from its handle after it has been closed

No, the figure handle itself does not contain that information. The graphics objects handles loose their link to the relevant d...

environ un an ago | 0

Answered

Graph Plotting! Which Function Shall I use?

A beeswarm plot might be an option... the <https://www.mathworks.com/matlabcentral/fileexchange/37105-plot-spread-points-beeswar...

Graph Plotting! Which Function Shall I use?

A beeswarm plot might be an option... the <https://www.mathworks.com/matlabcentral/fileexchange/37105-plot-spread-points-beeswar...

environ un an ago | 1

Answered

How do I read, change and write data back into the same txt file, at the same place?

To replace a specific bit of text in a text file, you're going to have to rewrite the entire file. Assuming the files above are...

How do I read, change and write data back into the same txt file, at the same place?

To replace a specific bit of text in a text file, you're going to have to rewrite the entire file. Assuming the files above are...

environ un an ago | 2

| accepted

Answered

Plotting hitmap with different box size

You can create this pretty easily using patches: The test data: c = rand(20,9)*2 - 1; % Color value s = c; ...

Plotting hitmap with different box size

You can create this pretty easily using patches: The test data: c = rand(20,9)*2 - 1; % Color value s = c; ...

environ un an ago | 1

| accepted