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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
nästan 4 år ago
Question
Matlab exponent bug?
Hello MatLabers I have encountered a problem when calculating a non integer exponent/power of a variable. example: ...
ungefär 13 år ago | 3 answers | 1
3
answerseigen faces
Eigenfaces are eigenvectors. When performing principal component analysis (PCA) on a set of images showing human faces, the pri...
ungefär 13 år ago | 0
| accepted
when using copyobj() with a contour, changing properties of the copy has no effect
mathworks technical support confirmed that this is a misbehaviour and that it will be resolved in a future version.
ungefär 13 år ago | 0
| accepted
Calling another program
you might be looking for system('command') [status, result] = system('command') [status,result] = system('command','-...
ungefär 13 år ago | 0
Assigning data to variable names in a vector during a for loop.
yes this is possible. you could use the command "eval" that comes with matlab. have a look at the documentation. for your c...
ungefär 13 år ago | 1
| accepted
how to use fread function?
have a look at the documentation of fread: http://www.mathworks.ch/help/techdoc/ref/fread.html you might be looking for: ...
ungefär 13 år ago | 0
How to save an image displayed ?
have a look at the solution I provided in your second question. it should answer both: http://www.mathworks.com/matlabcentral/a...
ungefär 13 år ago | 0
How to recostruct ROI on an image and diaplay it?
after having read your first question ( <http://www.mathworks.com/matlabcentral/answers/18789-how-to-save-an-image-displayed>) I...
ungefär 13 år ago | 1
Update to R2011b breaks call to addlistener
does the event exist on the "figureHandle"? get(get(classhandle(handle(figureHandle)),'Events'),'Name') what if you tr...
ungefär 13 år ago | 0
size of image
how did you store your images? is it a 2d matrix? did you store it like: (N images of size 3 by 4) 1 1 1 1 1 1 1 1 1 1 1 1...
ungefär 13 år ago | 0
Question
when using copyobj() with a contour, changing properties of the copy has no effect
Hello MatLabers I'm using a contour plot on several axes. Since I have quite an amount of points, the calculation of the cont...
ungefär 13 år ago | 1 answer | 0
1
answerQuestion
Multiple Callback Functions
Hello MatLabers I'm trying to have multiple callback functions executed on a uicontrol callback function. Usually I go so...
mer än 13 år ago | 5 answers | 1
5
answersCompeting algorithms for SNR of a image. Which is better?
I would go for method 2 (3 is the same?) but wouln't one calculate SNR = mean2(im)/std(im(:))?
mer än 13 år ago | 0
2D projection in a 3D plot
something similar has just recently been asked: http://www.mathworks.com/matlabcentral/answers/8752-get-projection-image-witho...
mer än 13 år ago | 1
manipulate pixels in an image
if you don't have it you could take a look at e.g. http://www.mathworks.com/matlabcentral/fileexchange/4658-updownsample
mer än 13 år ago | 0
Data sets from image
does it help if I provide you the following code as an example...? %% Two Dimensional DFT Example % 1.Load the sample ...
mer än 13 år ago | 1
| accepted
RGB to HSV image
does the rgb2hsv function not work? I do it that way..., hsvimg = rgb2hsv(rgbimg); ... do something ... (like saturat...
mer än 13 år ago | 0
Image Processing: Remove double edges
you could take another derivative (2nd) and only keep the positive values 1 0 1 => 0 -1 1 (depenting on the direction you are...
mer än 13 år ago | 0
subscript mismatch
maybe this one answers your question: http://www.mathworks.com/support/tech-notes/1200/1207.html#5 you try to assign/access...
mer än 13 år ago | 0
Question
iptPointerManager significantly slows program down
Hello MatLabers As recently I was looking for a method to have a mouse over (mouse hover) effect on my graphics objects (drag...
mer än 13 år ago | 1 answer | 0
1
answerCode's improvement (plots animation)
the problem is that getframe as used by you gets the current figure as it is. If you maximize the window and "record" the movie ...
mer än 13 år ago | 1
| accepted
get projection image without rendering to screen
you could calculate the perspective projection of your model yourself as you have all the information on camera position, look a...
mer än 13 år ago | 2
| accepted
Trouble with ButtonDownFcn and Hittest in GUIDE
this looks reasonable to me. have you tried ThePlot = plot(xvalues, yvalues, 'Parent', handles.TheAxes, 'Tag', 'ThePlotTag'...
mer än 13 år ago | 1
| accepted
I can not use libsvm!!!
I used libsvm myself in matlab. * download it from ( <http://www.csie.ntu.edu.tw/~cjlin/libsvm/#download>) * add the svmtrain,...
mer än 13 år ago | 5
Creating an inline-function in dependence of a parameter
maybe str2func is what you are looking for?
mer än 13 år ago | 0
Question
Contextmenu Callback to set class variable
Hello MatLabers I am looking for a better/smoother way to implement the setting of a class variable in a callback. I'm sure t...
mer än 13 år ago | 1 answer | 0
1
answerSeeded Region Growing Method
what about the FE submission: http://www.mathworks.com/matlabcentral/fileexchange/19084 ?
mer än 13 år ago | 1
detecting circular Objects
have you had a look at: http://www.mathworks.com/matlabcentral/fileexchange/9833-hough-transform-for-circle-detection
mer än 13 år ago | 0
Submitted
Multi ROI/Mask Editor Class
This Class allows you to easily define multiple regions of interest (binary masks) with a nice UI.
mer än 13 år ago | 11 downloads |