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Convert 1 min average data to hourly average data
If you can get time into datenum format, <https://www.mathworks.com/matlabcentral/fileexchange/48361-downsample-ts/content/downs...

8 years 前 | 0

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How to create a map of UK with circles plotted at certain locations?
Here's how you can do it with my <https://www.mathworks.com/matlabcentral/fileexchange/48122-circlem/content/circlem/html/circle...

8 years 前 | 1

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已回答
How to read the RGB value from a grayscale image (just like the data cursor does)
Alternatively, I wrote a function for this a while back. It's been a while since I wrote it, so no guarantees regarding how wel...

8 years 前 | 0

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How to graph irrational functions
You can fix that error by including the |.| when you multiply or compute the exponent: k = (s-2)./(-s.^2-s+6); But noth...

8 years 前 | 0

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Inner loop not working
Perhaps you need to move the |b=0| after |i=1:1001|: for i=1:1001 b=0; for k=0:n

8 years 前 | 1

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How to Plot and graph
You'll have to create data arrays containing theta and V values. To get you started, theta = [0 20 45]; V = [12.7 15 ...

8 years 前 | 1

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已回答
Is there a command or function to "autocorrect" words in a sentence? Such as correcting the sentence "Teh cow jumped over the mono." to "The" and "moon".
You could create a list of commonly misspelled words and corresponding correct spellings. For example, str = 'Teh cow...

8 years 前 | 0

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comments line change automatically
Does my <https://www.mathworks.com/matlabcentral/fileexchange/53176-wraptext/content/wraptext/html/wraptext_documentation.html |...

8 years 前 | 1

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Overlap two pcolor with different color and set up transparency
What about this? % Some sample data: [X,Y,Z1] = peaks; Z2 = flipud(Z1); % Blue layer: p1 = surf(X,Y,z...

8 years 前 | 1

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已回答
second order finite difference scheme
There's no need for the (t) when you define y(t). Same with dfdx. Also, make sure you change dfdx(1) in the loop to dfdx(i). ...

8 years 前 | 0

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Trimimg a geotiff by a shapefile
You can use <https://www.mathworks.com/matlabcentral/fileexchange/46904-geoimread/content/html/geoimread_documentation.html |geo...

8 years 前 | 1

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已回答
Need to get the pixel values based on the directions(North, South,East,West) in to four arrays
Your question is not very clear. If I am interpreting your question correctly, Awest = A(3:8,4); Anorth = A(3,5:8); ...

8 years 前 | 1

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Concatenante struture contents into a new one
This'll do it: in.ID = [1,2,3,4,5]; in.names={'John','Peter','Rick','Mick','Pat'}; for k = 1:length(in.ID) ...

8 years 前 | 0

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Linear regression : estimate the parameters
Use <https://www.mathworks.com/help/matlab/ref/polyfit.html |polyfit|>. p = polyfit(x,y,1); beta1 = p(2); beta2 = ...

8 years 前 | 0

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已回答
how to stop while loop by right mouse button click
From an <https://www.mathworks.com/matlabcentral/answers/51943-returning-which-button-was-pressed old answer by Jose-Luis>, ...

8 years 前 | 0

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I have a problem with fillm command using stereographic projection near boundary of longitude=0.
Ah, yes, I've encountered this problem before. This is a workaround: % Convert to map coordinates after calling axesm: ...

8 years 前 | 0

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How can i amelirate the smooth of this curve ?
% Your data: rload=[100;1e3;10e3;100e3;1e6;10e6]; power_hs=[1.570642571; 15.23486212; 1.12E+02; 1.37E+02; 81.69126068; ...

8 years 前 | 0

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已回答
Loops to determine what is in certain ranges from data
Renae: Given that you're new to Matlab, perhaps an explanation of Stephen's solution will help. First he created |X| as a rando...

8 years 前 | 0

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已回答
Formatting the x-axis of a scatter plot
Indeed, the x values were left out, so it was plotting you ones and zeros on an x scale of 1 to 23, because you have 23 data poi...

8 years 前 | 0

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hi, i'm trying to flip an image without any built in commands that is using for loops.
If you want to flip it vertically (equivalent to <https://www.mathworks.com/help/matlab/ref/flipud.html |flipud|>), you'd only n...

8 years 前 | 5

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Plot a 3D matrix for a three-dimensional object
Hi Yuzhen, Are the x and y values evenly spaced, or are they randomly scattered about? If the x and y values are evenly spac...

8 years 前 | 1

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which one will be for x_direction and y_direction
It is probable that the first column corresponds to x and the second column corresponds to y.

8 years 前 | 0

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已回答
How do I enter the theta symbol?
Your question is unclear. Do you mean you want it in a title or a label? Try xlabel(' this is a theta \theta ')

8 years 前 | 1

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已回答
How can I adjust the data aspect ratio in a plot with two y axes?
I'd set the limits of each axis individually, something like this: % some data: t = 1:12; T = 20*sin(pi*t/12); ...

8 years 前 | 1

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已回答
mapprofile used on a projected map
If you have a 2D projected map and its corresponding x,y coordinates, you can use |interp2| to interpolate along any path you wi...

8 years 前 | 0

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Make figure without white border
<https://www.mathworks.com/matlabcentral/fileexchange/23629-export-fig |export_fig|> removes the border by default.

8 years 前 | 2

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已回答
How can I change values in my matrix according to conditions.
Try a <https://www.mathworks.com/help/matlab/ref/switch.html |switch|>. switch SupportType case 'PinnedPinned' ...

8 years 前 | 0

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已回答
Problem with decimal to binary conversion
Fiona, The output makes sense: 87 = 0*128 + 1*64 + 0*32 + 1*16 + 0*8 + 1*4 + 1*2 + 1*1

8 years 前 | 0

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Plotting a unit step function without heaviside.
Hi Hannah, Your |unitstep| contains only zeros and ones. So when you plot plot(t,unitstep) it's a Heaviside funct...

8 years 前 | 4

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已回答
Writing a function to group locations
I would convert the distance and azimuth vectors to cartesian coordinates by <https://www.mathworks.com/help/matlab/ref/pol2cart...

8 years 前 | 0