how to plot normalized column vs another colomn
must be missing something as you have it right there plot("your other column",i./max(i),'.') then you'd fit a line and e...

3 years ago | 0

How do I create an animation with a coloured sphere changing in time? (for climate modelling)
you can do something like this [x,y,z] = sphere(30); [sx sy]=meshgrid(-1:.01:1,-1:.01:1); I=3*sin(2*pi*2*sx)+cos(2*pi...

3 years ago | 0

How to upload an image to a GUI frame?
so i take it you have an axes frame that you've tagged as imagedisplay. i'm curious why with said function you don't get warnin...

3 years ago | 0

Repeating If statement after variable change
not sure what you mean by repeat first with SS(1)==# as it wouldn't do the first if statement but the lower elseif statement. i...

3 years ago | 0

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How do I piece together a 2-dim image using 3 given images, each representing R, G, B?
you should be using cat(3,red,green,blue) because you want to stack in the 3rd dimension. x = randi(3,3,3) x = ...

3 years ago | 0

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Legend for a graph displaying multiple runs
you can look into specifying which points/lines are plotted in the legend() help documentation. I made a quick example that y...

3 years ago | 1

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I need to create a 3 by 3 window and calculate mean within the window. This window is to move through the image. How can I do it?
I would take a look at the conv() and conv2() function. you would use something like [1 1 1;1 1 1;1 1 1]/9 to get mean. and the...

3 years ago | 0

How to make a 2D graph from text file
I can point out a few things. # if you look at M isn't that what you're trying to plot with A? as it should include both c...

3 years ago | 0

how to replace values of a matrix, if another matrix meet certain conditions?
i may be over simplifying it but doesn't the greater than (>) inequality just do it? A=magic(5) B=A>18

3 years ago | 1

Pulse train with duty cycle variable.
why not try something like this: t=0:per/1000:per-per/1000; %define period normal = zeros(1,numel(t)); normal(t<per*dut...

3 years ago | 0

Is there a way to remove the nested for loops from this segment of code? I'm trying to make the code generic so it can take in n-number of moment arrays.
to make it more generic you could do something like momentind = [1 1 1 1 1 1] cind = 1; while momentind(end)~=3;...

3 years ago | 0

save snapshot image in a variable within a loop!!
from what i see get snapshot returns a NxMx(1 for mono 3 for color) and you're trying to stuff it into a 1x1. what you should t...

3 years ago | 0

Reading within parentheses in MATLAB
since you've got the right idea and cellfun() is troublesome and sometimes confusing, i've coded it for you here: dumdata...

3 years ago | 0

problem in for loop for plotting
do you mean you're missing the first spectrum because you put the figure after the first instance of subplot? you should move f...

3 years ago | 0

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Loop to generate a folder and to join files in .txt format
without generating some dummy files here is how i see your loop and joining of the two files. you'll have to modify it dependin...

3 years ago | 0

Finding a point best representing the centre of density
I don't quite think you need to go that far as Image Analyst suggests. if i get it you have a consumption by time by user matri...

3 years ago | 0

Putting information on a imshow graph
there is a function called title() x=rand(100,100);imshow(x),title('text')

3 years ago | 0

How to Add Linear Trendline that Considers Errorbars
so if you want to take in the span of the error bars why not take into account the error bar points: clf; x = [1 2 3]'; ...

3 years ago | 1

How to prevent overlapping of point values on a matlab plot?
why not put it in a legend if there are so few points points=[1 1.01;1 1]; figure,plot(points(1,1),points(1,2),'x',p...

3 years ago | 1

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How I remove edge lines and add reference lines into contour plot generated with plot(array,'style','contour')?
you would do something like clf load variables plot_data = fit ([X, Y], Z, 'cubicinterp'); contourplot = plot(plot...

3 years ago | 0

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Plot over an image
I would check your points. i see that b and d are swapped, but is there sufficient distances for you to see it with the image b...

3 years ago | 1

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How to plot two matrices of different sizes in the same figure?
I would go with something like this %% gen 8x8 post grid figure(1),clf, surf([1:8],[1:8],zeros(8,8)),view([0 90]), ho...

3 years ago | 0

How to sum up specific pixel intensities in image?
you can use logical ">" to find the values greater than 120 example = magic(10); ind=find(example>50); sumintent = sum(e...

3 years ago | 0

How to count data cursors and assign a fixed number to each?
you can change things around and use something like this: hfig = figure;plot(1:10,[1:10].^2) hcursor = datacursormode(hf...

4 years ago | 0

How to change displayed plot in a GUI with pop-up menu.
Yes.... look at the guide quick start templates. type in guide into the workspace and it'll open the quick start window. Selec...

4 years ago | 0

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Create waitbar without opening new window
so... here is a quick example to create a waitbar that you can do some extra stuff by utilizing java. i'll let you figure out h...

4 years ago | 0

How to close editor from the command line?
you can call com.mathworks.mlservices.MLEditorServices.closeAll you can read up all about this on the <http://undocumentedmat...

4 years ago | 2

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