Respondida
how to create a .mat file
Use *imread* function to load images, then you can save you variables in MAT file using *save* function. MAT-files can be loaded...

más de 11 años hace | 0

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save the results of who function
You have to use quotation marks, because an argument of *who* should be string: List = who('B*')

más de 11 años hace | 0

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Getting value from a listbox. Error: Cell contents reference from a non-cell array object.
I suppose that your listbox contains only one string. Compare two codes: 1: lb = uicontrol('Style','listbox','Position',...

más de 11 años hace | 0

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Calculate daily average out of many files per day
Let suppose that all file names are stored in *filename* variable: d = zeros(495,595,35); for k=1:35 d(:,:,k) = imp...

más de 11 años hace | 0

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How to delete a frame after use?
<http://www.mathworks.com/help/matlab/ref/delete.html> <http://www.mathworks.com/help/matlab/ref/recycle.html>

más de 11 años hace | 0

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what does this simulink command mean ?
* [0 100] is the time span, * [] - here you can put a option structure, which can modify simulation settings. You can change si...

más de 11 años hace | 1

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reading files and data into matlab
Enter to subfolders: *<http://www.mathworks.com/help/matlab/ref/cd.html cd>* Exit from subfolders *cd ..* Read files: *<ht...

más de 11 años hace | 0

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How can I output intermediate vaviables when using ode45 funcion?
You can use *OutputFcn* to do this. Just add options to ode45 in this way: options = odeset('OutputFcn',@myfun); [T,Y]=o...

más de 11 años hace | 0

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How to determine the position of an integer
If the values are in the cell format use *cell2mat* function: pos = find(cell2mat(d)==3)

más de 11 años hace | 0

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unique values in array
Simply idea is to use loop: f = [1 , timing(1)]; for k=2:numel(timing) if timing(k)~=timing(k-1) ...

más de 11 años hace | 0

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I am doing a project using structured light, I need image to be showed in 'full screen mode', how?
Have you tried this function: <http://www.mathworks.com/matlabcentral/fileexchange/23404-fullscreen-1-1> ?

más de 11 años hace | 0

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How can I change the x-axis to log scale using boxplot?
First question: Can you write small example? Because I don't understand fully your problem. Second question: Instead of...

más de 11 años hace | 0

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Is there an implementation of Tarjan's algorithm for triconnected components of a graph in MATLAB?
<http://www.mathworks.com/help/toolbox/bioinfo/ref/graphconncomp.html GRAPHCONNCOMP> - Find strongly or weakly connected compone...

casi 12 años hace | 0

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How to open a .m file by a double-click, on Ubuntu 12.04
This might help: http://www.walkingrandomly.com/?p=300

casi 12 años hace | 0

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Adjusting the colorbar to zero value
I'm not sure if I good understand your problem, but maybe *caxis* function will be helpful: contourf(peaks+10) cmap = je...

casi 12 años hace | 0

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How can I update data for quiver plot?
I think that this is impossible for quiver plot. Try this code: [X,Y] = meshgrid(-2:.2:2); Z = X.*exp(-X.^2 - Y.^2); ...

alrededor de 12 años hace | 2

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I have generated a large dataset. Now I need to draw random samples from it. How can I do this?
For example: data = exp(-(-10:0.1:10).^2); idx = randperm(numel(data)); N = 20; idx = idx(1:N); plot(id...

alrededor de 12 años hace | 0

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plotting several quadratic functions
Yes, I think that it is good idea: figure hold all x = linspace(0,1); for a=-1:1:2 plot(x,a*x.^2+1) ...

alrededor de 12 años hace | 0

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How to display 3D image in each layer?
Just clear unnecessary channels: I = imread('http://www.3drealms.com/zerohour/images/zhbackground.bmp'); figure r = I...

alrededor de 12 años hace | 1

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How can i reset axes and edittext?
So add a button and in its callback fucntion write code which clear axis and edittext field. i.e. cla(handles.axis1) ...

alrededor de 12 años hace | 1

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editing inside cells array
You can try this code: for i=1:size(POT1,1) for j=2:size(POT1,2) if ~isempty(POT1{i,j}) PO...

alrededor de 12 años hace | 1

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i want to find out area under the curve using quad command ,the curve is generated after running the programme
If you draw yourself Bode plot (see code), you receive vectors 'x' and 'y', which can be numerically integrate. [HMag, HPha...

alrededor de 12 años hace | 0

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plot 2d color graph
In my opinion you should use the imagesc function. x = 1:10;% 10 stimulus y = 1:8;% 8 subparts z = randi(5,8,10)-1;% ...

alrededor de 12 años hace | 0

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how can i make the isotherm plot from excel data using MATLAB
Try function *contour* or *imagesc*.

más de 12 años hace | 0

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contourlines in time format
It may be helpful to Analyze this code: Z = 5+abs(peaks)/10; [C,h] = contour(interp2(Z,4)); th = clabel(C,h); set(...

más de 12 años hace | 0

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How to create non-repetitive random integers
Try this code: N = 100; x = randperm(N); x = x(1:70)

más de 12 años hace | 0

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calculate the distance between 2 points
The common use distance formula is the second one: d = sqrt((x(p1)-x(p2))^2+(y(p1)-y(p2))^2); <http://en.wikipedia.org/wik...

más de 12 años hace | 0

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how to skip from one line to another?
I recommend to use *if* statement for this purpose: x = 1:10; y = x.^2; if 0 y = sqrt(y); end plot(x,y) ...

más de 12 años hace | 0

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including subject_name in variable with a loop
eval(['final_subject_' num2str(i) '= [mean1 mean2 mean3 mean4]'])

más de 12 años hace | 0

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replacing the value
samples = [ .6 .1 .8 .2 .98 .96 .45 .4 .87 ]; genes = [1;2;10]; %A=(<=.4) A = genes(any...

más de 12 años hace | 0

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