407 total contributions since 2018

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Answered

How to make a graph that shows evolution of a variable in time through different depths in a lake.

Just create a surface object. d = is your depth (1x38) t = is your time (1x3705) Te = is your temperature (3705...

How to make a graph that shows evolution of a variable in time through different depths in a lake.

Just create a surface object. d = is your depth (1x38) t = is your time (1x3705) Te = is your temperature (3705...

19 hours ago | 0

Answered

How can make arrows into the line step by step?

What you see on the figure is a quiver3 plot, where the arrows describe velocity. You did not provide any velocity data, but you...

How can make arrows into the line step by step?

What you see on the figure is a quiver3 plot, where the arrows describe velocity. You did not provide any velocity data, but you...

20 hours ago | 0

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Answered

how to handle variable time stamped long time series data?

# Load data # Put data in two timetables # Use synchronize # Step 1-3 did not work? Upload the data.

how to handle variable time stamped long time series data?

# Load data # Put data in two timetables # Use synchronize # Step 1-3 did not work? Upload the data.

20 hours ago | 0

Answered

colour map scatter with multiple groups / variables

I would probably just create a new axes for each new scatter object. Each object then scales automatically and the same method w...

colour map scatter with multiple groups / variables

I would probably just create a new axes for each new scatter object. Each object then scales automatically and the same method w...

1 day ago | 0

Answered

Interpolate gridded matrix row-wise

Normally you could achieve this easily by interpolating over rows with a function that does not extrapolate by default. I believ...

Interpolate gridded matrix row-wise

Normally you could achieve this easily by interpolating over rows with a function that does not extrapolate by default. I believ...

2 days ago | 0

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Answered

Overlaying a contourf plot on a grayscale image

You can use two linked axes with different colormaps. Example: % Axes ax(1)=axes('color','none','xcolor','none','ycolor'...

Overlaying a contourf plot on a grayscale image

You can use two linked axes with different colormaps. Example: % Axes ax(1)=axes('color','none','xcolor','none','ycolor'...

3 days ago | 0

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Answered

How could I change the Linewidth of XTick or YTick without changing the Box or Edge lineWidth?

You have to dig through the undocumented properties, but its possible ax.XAxis.MajorTickChild.LineWidth = 2

How could I change the Linewidth of XTick or YTick without changing the Box or Edge lineWidth?

You have to dig through the undocumented properties, but its possible ax.XAxis.MajorTickChild.LineWidth = 2

4 days ago | 0

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Answered

Interpolate multiple data for a plot

Normally I'm not a big fan of fraction years, but here we go: % Common time vector tc = 1850:.1:2020; % interpola...

Interpolate multiple data for a plot

Normally I'm not a big fan of fraction years, but here we go: % Common time vector tc = 1850:.1:2020; % interpola...

4 days ago | 0

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Answered

How to number rows of a table by group

Can try something like this: PATID = [1 1 3 3 3 5 9 9 12]' T = table(PATID) out = varfun(@(x)1:length(x),T,'InputVari...

How to number rows of a table by group

Can try something like this: PATID = [1 1 3 3 3 5 9 9 12]' T = table(PATID) out = varfun(@(x)1:length(x),T,'InputVari...

4 days ago | 1

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Answered

Calculate distance between a point and a contour line

Here is my code so far. The units of the output is not entirely correct, but should be quite easy to fix. % Trajectory...

Calculate distance between a point and a contour line

Here is my code so far. The units of the output is not entirely correct, but should be quite easy to fix. % Trajectory...

5 days ago | 0

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Answered

Grouping time stamp data into intervals

I'm a little bit confused as of what you want to do with those segments, but this code should find them for you. I'm not entirel...

Grouping time stamp data into intervals

I'm a little bit confused as of what you want to do with those segments, but this code should find them for you. I'm not entirel...

5 days ago | 0

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Answered

Plotting 3 differing intervals of time in a bar style to show when an interval is occuring

I'll admit that I misunderstood the question the last time it was posted. However, the general approach still works the same. ...

Plotting 3 differing intervals of time in a bar style to show when an interval is occuring

I'll admit that I misunderstood the question the last time it was posted. However, the general approach still works the same. ...

5 days ago | 0

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Answered

Interpolate and synchronize two time series

# Create two timetables using table2timetable (you have to converted the time to duration or datetime format) # Use synch...

Interpolate and synchronize two time series

# Create two timetables using table2timetable (you have to converted the time to duration or datetime format) # Use synch...

5 days ago | 1

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Answered

How can i sum over seconds ?

t = datetime(testclick{:,1}); ts = dateshift(t, 'start', 'second') N = histcounts(ts,'binmethod','second') This wil...

How can i sum over seconds ?

t = datetime(testclick{:,1}); ts = dateshift(t, 'start', 'second') N = histcounts(ts,'binmethod','second') This wil...

5 days ago | 1

Answered

manipulating plot legend, assigning colours

*Always* output the plot handle. h = plot(...) If you are plotting in a loop, then save all handles. h(i) = plot(....

manipulating plot legend, assigning colours

*Always* output the plot handle. h = plot(...) If you are plotting in a loop, then save all handles. h(i) = plot(....

5 days ago | 0

Answered

Matlab code for generating some shapes using signed distance

I had to read a bit about _"signed distance fields"_ and came across this blogpost *<https://blogs.mathworks.com/graphics/201...

Matlab code for generating some shapes using signed distance

I had to read a bit about _"signed distance fields"_ and came across this blogpost *<https://blogs.mathworks.com/graphics/201...

7 days ago | 0

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Answered

fprintf linspace and variable IN THE RIGHT ORDER

Some problems with your loop. clc clear m = input('Slope: '); c = input('Intercepts: '); p = input('How many e...

fprintf linspace and variable IN THE RIGHT ORDER

Some problems with your loop. clc clear m = input('Slope: '); c = input('Intercepts: '); p = input('How many e...

8 days ago | 0

Answered

How can I make this type of array.

horzcat(yk,[0;yk(1:end-1)]) ans = 0 0 0.019530000000000 0 ...

How can I make this type of array.

horzcat(yk,[0;yk(1:end-1)]) ans = 0 0 0.019530000000000 0 ...

8 days ago | 0

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Answered

How can I add standard error bars from standard deviation to individual points on a scatter plot ??

I do not have your dataset so cannot run your code. Here's an example of how to use the build-in function errorbar. Should be ea...

How can I add standard error bars from standard deviation to individual points on a scatter plot ??

I do not have your dataset so cannot run your code. Here's an example of how to use the build-in function errorbar. Should be ea...

8 days ago | 0

Answered

I'm trying to organize data so it can easily be averaged by date

_"...something like H(1,2,:), it would return all the data from the second day of January."_ Not very good in my opinion. How...

I'm trying to organize data so it can easily be averaged by date

_"...something like H(1,2,:), it would return all the data from the second day of January."_ Not very good in my opinion. How...

8 days ago | 1

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Answered

Reading text file word by word

Try this minor change short_word = fscanf(fileID, '%s+'); ↑ Edit: After further testi...

Reading text file word by word

Try this minor change short_word = fscanf(fileID, '%s+'); ↑ Edit: After further testi...

8 days ago | 2

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Answered

How to plot latitude and longitude on the shape-file i used in MATLAB ?

Have you tried <https://se.mathworks.com/help/map/ref/geoshow.html *geoshow(lat,lon)*>

How to plot latitude and longitude on the shape-file i used in MATLAB ?

Have you tried <https://se.mathworks.com/help/map/ref/geoshow.html *geoshow(lat,lon)*>

9 days ago | 0

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Answered

file handling with coordinates

I would approach this roughly as follows: * Read all coordinates and group them by state * Use a grouping function ( *findro...

file handling with coordinates

I would approach this roughly as follows: * Read all coordinates and group them by state * Use a grouping function ( *findro...

9 days ago | 0

Answered

MATLAB Timeseries Resample Error: Quality vector must be initialized.

I suggest that you use a <https://se.mathworks.com/help/matlab/timetables.html *timetable*> and <https://se.mathworks.com/help/m...

MATLAB Timeseries Resample Error: Quality vector must be initialized.

I suggest that you use a <https://se.mathworks.com/help/matlab/timetables.html *timetable*> and <https://se.mathworks.com/help/m...

9 days ago | 0

Answered

How to find the slope of phase data (between two points) which is uneven

I would suggest using either <https://se.mathworks.com/help/signal/ref/findpeaks.html *findpeaks*> to determine points a and b a...

How to find the slope of phase data (between two points) which is uneven

I would suggest using either <https://se.mathworks.com/help/signal/ref/findpeaks.html *findpeaks*> to determine points a and b a...

9 days ago | 0

Answered

Plot Specific Info from a data file?

2nd and onward is written as 2:end What you wrote is interpreted as 'each row, 2nd column and last value in the 3rd dime...

Plot Specific Info from a data file?

2nd and onward is written as 2:end What you wrote is interpreted as 'each row, 2nd column and last value in the 3rd dime...

10 days ago | 0

Answered

computing number of days between a matrix of dates

Put all dates in datetime format T = datetime(Tvec) then Tdiff = T - T(1) will output a duration vector

computing number of days between a matrix of dates

Put all dates in datetime format T = datetime(Tvec) then Tdiff = T - T(1) will output a duration vector

10 days ago | 0

Answered

How to set same scale for contourf subplots?

Use the same <https://se.mathworks.com/help/matlab/ref/caxis.html *caxis*> caxis([min max]) And yes, you may also want t...

How to set same scale for contourf subplots?

Use the same <https://se.mathworks.com/help/matlab/ref/caxis.html *caxis*> caxis([min max]) And yes, you may also want t...

10 days ago | 0

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Answered

How can i get the same text from another function

Store their handles in a variable and pass it as output from the first function and input to the second. Alternatively you could...

How can i get the same text from another function

Store their handles in a variable and pass it as output from the first function and input to the second. Alternatively you could...

10 days ago | 0

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Answered

How to plot a shape away from the x and y axis?

Just adjust the axes limits h=input('What shape do you want?:','s'); a=input('The length of a side is (m):'); if st...

How to plot a shape away from the x and y axis?

Just adjust the axes limits h=input('What shape do you want?:','s'); a=input('The length of a side is (m):'); if st...

11 days ago | 0

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