matlab-figure Questions

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I'm plotting a confusion matrix as the following with colorbar in it: What I would like to do now is keep everything exactly the same, but inverse the colors. I have tried the following code (wh...
Odessa asked 25/7, 2013 at 7:54

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Apologies in advance for bringing a non-programming question to SO, but the powers-that-be have determined that all MATLAB-related questions belong here. I've been doing some Kalman Filters and pl...
Toweling asked 22/7, 2013 at 14:57

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Matlab is displaying a black border around a plot and I would like to remove it. I think i should be using something like: set(Figure#,'PropertyName',PropertyValue); But I'm not sure what Proper...
Lessor asked 6/2, 2012 at 20:26

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I'm trying to produce some computer generated holograms by using MATLAB. I used equally spaced mesh grid to initialize the spatial grid, and I got the following image This pattern is sort of wha...
Midiron asked 2/4, 2013 at 4:36

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I am trying to overlay a colour image on a grey level image. However, when I try to plot the 'colorbar' and set the 'clim'. Matlab always produce a colorbar according to the underneath grey level i...
Swoosh asked 27/6, 2013 at 13:45

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I'm having problems with rendering Greek characters in my labels and legends, so I thought maybe switching fonts would help. Thus, I discovered an even bigger problem - Matlab doesn't seem to honor...
Literary asked 25/4, 2013 at 15:35

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It is generally very easy to call mex files (written in c/c++) in Matlab to speed up certain calculations. In my experience however, the true bottleneck in Matlab is data plotting. Creating handles...
Conformal asked 20/1, 2012 at 18:59

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My current code : a=7 f=10 T=1/f; v=40 wl=v/f; x1=1; x2=30 step=0.01 t=x1:step:x2; x=x1:step:x2; y=a*sind(2*pi*f*(t+(x*T)/wl)); h=plot3(x,y,t); set(h,'EraseMode','xor','MarkerSize',20) xlabel('d...
Brubeck asked 7/5, 2013 at 18:48

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axis off Not working. function displayResults(filename,hObject, eventdata, handles) % Open 'filename' file... for reading... fid = fopen(filename); for N=6:1:10 imagename = fgetl(fid); if ~isch...
Rutan asked 6/5, 2013 at 13:7

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This works as I expected: for i=1:100 hold on; plot(i,i^2); drawnow; end Ploting the points as they come in the same figure. This on the other hand, doesn't: for i=1:100 hold on; plot3...
Thread asked 30/4, 2013 at 1:12

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I am trying to run a MATLAB GUI I have created. If I open the .fig file using GUIDE and press the run button there, it runs perfectly. However, when I double-click the .fig file in the 'Current Fo...
Mord asked 28/3, 2013 at 9:55

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I'm trying to change the image axis labels with some latitude/longitude but I can't find how to do it. I tried some basic commands like: imagesc(data) axis(meshgrid([-180:20:180],[-90:20:90])) col...
Marcenemarcescent asked 25/2, 2013 at 16:2

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In Matlab, if we do not rotate the y-label that contains several letters, the label may overlap with the tick numbers or even the y-axis. We can increase the distance between the y-label and the y-...
Oppression asked 30/1, 2013 at 18:35

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Consider the following example code: load sumsin; s = sumsin+10; % example data series time = linspace(0,5*24,1000); figure(1); subplot(311); plot(time,s,'k'); subplot(312); plot(time,s,'k'); h...
Hixson asked 24/1, 2013 at 12:13

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I would like to create a plot of the 3D surface that spans over all points from an [X,Y,Z] point cloud. For example this is a scatter plot of my point cloud: scatter3(X,Y,Z,5,C) As you can see ...
Knighten asked 13/9, 2012 at 11:57

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I have 3D data plotted using the 'plot3' function. I would like to constrain the Y and Z axes such that they are equal in scale. The X axis should be automatically scaled as usual. I know from here...
Unexacting asked 10/8, 2012 at 12:0

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I cannot seem to get my image to display the coordinates of my mouse cursor, and also use ginput to store points at the same time. I currently am trying the following: MriHotrod = imread('Image.b...

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In MATLAB, I plot many different vectors to a figure. Now, what I would like to do is simply undo the last vector that I plotted to that figure, without clearing everything else. How can this be ac...
Garnes asked 10/7, 2012 at 18:2

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Here's the setup: I've got a graphical plot of data, and I'm trying to find if it's feasible to try to put a box on the figure that can be moved and changed in width and return some values like pe...
Arteaga asked 12/6, 2012 at 14:26

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I have a figure that I want his name to be Step 2 of 3: Simulation Plot Window, but its name is: figure 2: Step 2 of 3: Simulation Plot Window. How can I change his name to the name I want? I do...
Dutra asked 7/6, 2012 at 9:20

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Drawing bifurcation diagram for 1D system is clear but if I have 2D system on the following form dx/dt=f(x,y,r), dy/dt=g(x,y,r) And I want to generate a bifurcation diagram in MATLAB for x versu...
Pravit asked 21/5, 2012 at 22:31

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How can I change the base value on the following barchart from 0 to another value (eg 0.001)? Right now it looks plain silly: Code: h=bar(matrix); set(gca,'YScale','log') Bonus points / good ...
Binominal asked 4/3, 2012 at 10:27

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Has anyone come up with a way to make thumbnail type previews for matlab figures in windows? I'm getting tired of saving a .png along with the .fig file just so I know what was in it. A useful h...
Ingulf asked 17/2, 2012 at 0:52

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Is there a way to know how many figures are opened in matlab?
Polley asked 9/1, 2012 at 14:37

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I have the following code and I want to combine phase space plots into one single figure. I have coded the functions, but I don't know how to make MATLAB put them into one figure. As you see, it i...
Aruba asked 7/1, 2012 at 20:39

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