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Plotting of velocity data points in x-y graph

Have you tried a quiver plot? See the below page for more information: https://uk.mathworks.com/help/matlab/ref/quiver.html

Plotting of velocity data points in x-y graph

Have you tried a quiver plot? See the below page for more information: https://uk.mathworks.com/help/matlab/ref/quiver.html

2年以上 前 | 0

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Printing matrix to display error message, why?

I just copied and pasted your code exactly as it appears above and it runs absolutely fine for me. Can you provide any more det...

Printing matrix to display error message, why?

I just copied and pasted your code exactly as it appears above and it runs absolutely fine for me. Can you provide any more det...

2年以上 前 | 0

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How can i make plot with different length vector?

My guess here is that your two arrays (A and A1) represent your Y data. In that case you could simply create two different sized...

How can i make plot with different length vector?

My guess here is that your two arrays (A and A1) represent your Y data. In that case you could simply create two different sized...

2年以上 前 | 0

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Plotting graph using roots

The roots you have calculated are the x values where y = 0. Therefore to plot these on a graph you can use: p = [1 5.5 3.5 -10]...

Plotting graph using roots

The roots you have calculated are the x values where y = 0. Therefore to plot these on a graph you can use: p = [1 5.5 3.5 -10]...

2年以上 前 | 1

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Array indices must be positive integers or logical values.

I just ran this segment of code and I get the same "Array indices must be positive integers or logical values." error but for th...

Array indices must be positive integers or logical values.

I just ran this segment of code and I get the same "Array indices must be positive integers or logical values." error but for th...

2年以上 前 | 0

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BAR graph not working

Is that the exact piece of code you used? On my computer (and Matlab version R2018a) that runs absolutely fine.

BAR graph not working

Is that the exact piece of code you used? On my computer (and Matlab version R2018a) that runs absolutely fine.

2年以上 前 | 0

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iterate through elements of matrix

Chuguang Pan answer is correct but is in the comments section rather than the answers section. This won't be able to be accepted...

iterate through elements of matrix

Chuguang Pan answer is correct but is in the comments section rather than the answers section. This won't be able to be accepted...

2年以上 前 | 0

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Trying to change colours on the the same plot, but getting error message 'There is no b property on the Line class'

The issue with your plotting command is that matlab is interpreting the 'b',1 part as a pair of commands (i.e. ste the property ...

Trying to change colours on the the same plot, but getting error message 'There is no b property on the Line class'

The issue with your plotting command is that matlab is interpreting the 'b',1 part as a pair of commands (i.e. ste the property ...

2年以上 前 | 0

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Elementwise Matrix multiplication with a Vector to get a higher dimension Matrix

I think this should do the trick. A1 = [1 2 3; 4 5 6; 7 8 9]; Asize = size(A1); V1 = (1:1:3); lengthV1 = length(V1); A2 = z...

Elementwise Matrix multiplication with a Vector to get a higher dimension Matrix

I think this should do the trick. A1 = [1 2 3; 4 5 6; 7 8 9]; Asize = size(A1); V1 = (1:1:3); lengthV1 = length(V1); A2 = z...

2年以上 前 | 1

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200 pixel to mm

There will definitely be a correlation between number of pixels and size/area, however I don't think you can use it for quantita...

200 pixel to mm

There will definitely be a correlation between number of pixels and size/area, however I don't think you can use it for quantita...

2年以上 前 | 0

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Finding a trendline from a scatter plot

MATLAB can do this if you make your scatter plot and then in the figure window go to "Tools -> Basic Fitting". That will then al...

Finding a trendline from a scatter plot

MATLAB can do this if you make your scatter plot and then in the figure window go to "Tools -> Basic Fitting". That will then al...

2年以上 前 | 1

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Problems using parfor due to way variable is used

I think the answer to the below question might be of use to you here. https://uk.mathworks.com/matlabcentral/answers/404809-how...

Problems using parfor due to way variable is used

I think the answer to the below question might be of use to you here. https://uk.mathworks.com/matlabcentral/answers/404809-how...

2年以上 前 | 0

質問

Adjust z-axis location for a pcolor() plot

I am attempting to vertically stack a number of pcolor plots within the same set of axes and then overlay some contour lines ont...

2年以上 前 | 1 件の回答 | 0

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add to a vector by plus 1 and plus 2

I think this should do what you are after X = [1;2;3]; for i=1:3 X(i) = X(i)+i; end Another way would be to do: X = [1;2;3...

add to a vector by plus 1 and plus 2

I think this should do what you are after X = [1;2;3]; for i=1:3 X(i) = X(i)+i; end Another way would be to do: X = [1;2;3...

2年以上 前 | 0

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load .mat files into a loop

You could store the filenames for your arrays into an array (possibly cell array might be better if they aren't all the same num...

load .mat files into a loop

You could store the filenames for your arrays into an array (possibly cell array might be better if they aren't all the same num...

2年以上 前 | 1

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How to plot a matrix with reoccurring values?

Take for example a matrix: vals = [1 1;2 1;2 2; 1 2; 1 3; 2 3; 2 4; 1 4]; which is of the form you describe above. Then do: p...

How to plot a matrix with reoccurring values?

Take for example a matrix: vals = [1 1;2 1;2 2; 1 2; 1 3; 2 3; 2 4; 1 4]; which is of the form you describe above. Then do: p...

2年以上 前 | 1

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Problem finding the index?

The problem is the precision which which your machine is able to store numbers. You are asking MATLAb to find an exact match to ...

Problem finding the index?

The problem is the precision which which your machine is able to store numbers. You are asking MATLAb to find an exact match to ...

2年以上 前 | 0

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Finding index (x value) of noisy data crossing a threshold value

idx = find(SmoothedData > Threshold); Width = Xdata(max(idx)) - Xdata(min(idx)); Here the first line finds all indices of poin...

Finding index (x value) of noisy data crossing a threshold value

idx = find(SmoothedData > Threshold); Width = Xdata(max(idx)) - Xdata(min(idx)); Here the first line finds all indices of poin...

2年以上 前 | 0

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How to change Marker Color in line graph?

Can you try the below and let us know what happens please? I don't have the necessary toolboxes to check it myself. load('MCA_D...

How to change Marker Color in line graph?

Can you try the below and let us know what happens please? I don't have the necessary toolboxes to check it myself. load('MCA_D...

2年以上 前 | 0

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How Change Matrix Shape / Setting

Not necessarily a pretty solution but the below will do what you want for the given table. Should give you enough of an idea of ...

How Change Matrix Shape / Setting

Not necessarily a pretty solution but the below will do what you want for the given table. Should give you enough of an idea of ...

2年以上 前 | 1

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How to rewrite the maximum element of an array by an avarage

So, if I have interpreted your question correctly then you have an array (say A) and you wish to find the maximum valued element...

How to rewrite the maximum element of an array by an avarage

So, if I have interpreted your question correctly then you have an array (say A) and you wish to find the maximum valued element...

2年以上 前 | 0

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Concatenate 8X4 matrix in 16X2 matrix in matlab

This should do it: B = [A(:,1:2); A(:,3:4)]

Concatenate 8X4 matrix in 16X2 matrix in matlab

This should do it: B = [A(:,1:2); A(:,3:4)]

2年以上 前 | 1

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HELP NEEDED_ODE45MATLAB

Your problem here is that you haven't passed your parameters into the function. The line: function dY=ODEfun(t,Y,a,b,c,E,h1,N,D...

HELP NEEDED_ODE45MATLAB

Your problem here is that you haven't passed your parameters into the function. The line: function dY=ODEfun(t,Y,a,b,c,E,h1,N,D...

2年以上 前 | 0

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Why don't you draw the line of vectors on the graph?

I think this is because you are plotting inside your while loop. Here you are telling it to plot one data point each time and so...

Why don't you draw the line of vectors on the graph?

I think this is because you are plotting inside your while loop. Here you are telling it to plot one data point each time and so...

2年以上 前 | 0

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How can I use one matrix to assign values to a second matrix using a for loop?

Based on your definition there is nothing to diffuse. If the values is the same all along your domain then there won't be any ch...

How can I use one matrix to assign values to a second matrix using a for loop?

Based on your definition there is nothing to diffuse. If the values is the same all along your domain then there won't be any ch...

2年以上 前 | 1

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Find zeros of numeric function

You could use fzero for this. Only issue is that it returns the zero closest to a chosen start point, therefore I've put a loop ...

Find zeros of numeric function

You could use fzero for this. Only issue is that it returns the zero closest to a chosen start point, therefore I've put a loop ...

2年以上 前 | 0

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Plotting a matrix in a for loop.

You have a couple of options here. One is that you store all of the steps of the Markov chain during the for loop and then plot ...

Plotting a matrix in a for loop.

You have a couple of options here. One is that you store all of the steps of the Markov chain during the for loop and then plot ...

2年以上 前 | 0

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change scale for colorbar

Have you tried looking at the below link - seems like that might do what you want https://uk.mathworks.com/matlabcentral/answer...

change scale for colorbar

Have you tried looking at the below link - seems like that might do what you want https://uk.mathworks.com/matlabcentral/answer...

2年以上 前 | 0

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problem in maximizing figure window in matlab 2016a

If you are using R2018a or after then you can use f = figure; f.WindowState = 'maximized'; to maximise the figure window. To ...

problem in maximizing figure window in matlab 2016a

If you are using R2018a or after then you can use f = figure; f.WindowState = 'maximized'; to maximise the figure window. To ...

2年以上 前 | 0

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White lines in 2D figure when exporting it

There isn't an accepted answer, but the following question has a lot of potential pointers that might be of use. https://uk.mat...

White lines in 2D figure when exporting it

There isn't an accepted answer, but the following question has a lot of potential pointers that might be of use. https://uk.mat...

2年以上 前 | 0

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