Amith Kamath
U Minnesota
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What is the function to plot a rotating 3-D ellipsoid
function [] = visualizeDTrot(C,M,speed,Dir,time) %% C: the covariance matrix. %% Dir: direction of the estimate, to be p...
oltre 12 anni fa | 1
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Hi i need help in file conversion .txt to mat file
Although this may not be the best way to do this, but you can use IMPORTDATA to import all the data from the '.txt' file as a st...
quasi 13 anni fa | 0
How to change colorbar's color (in some particular value interval)?
You can manually change the colormap, using COLORMAPEDITOR: <http://www.mathworks.com/help/matlab/ref/colormapeditor.html> ...
quasi 13 anni fa | 0
how to draw a temperature distribution on (x,y,z)?
<http://www.mathworks.com/help/matlab/visualize/representing-a-matrix-as-a-surface.html> should help. The image you have att...
quasi 13 anni fa | 0
how i can implement lowpass filter on image using matlab
I am assuming you need to smooth (low pass) an image. These two functions are what you need to use: <http://www.mathworks.com...
quasi 13 anni fa | 0
How do I obtain video (.avi) from a webcam (in real time) and store the video frames somewhere for further processing?
This will be instructive: <http://www.mathworks.com/help/imaq/examples/logging-data-to-disk.html?prodcode=IA&language=en>
quasi 13 anni fa | 0
| accettato
Confusion with adding to cell array
This should work: a = {[0 0], [0 0]} b = [1 2 3 4] a{1} = b(1:2) %choose the first two elements from b and assign to fir...
quasi 13 anni fa | 0
how to plot scattered points on 2D graph
Does <http://www.mathworks.com/help/matlab/ref/scatter.html> work? I am assuming your data is a collection of (x,y) pairs, and y...
quasi 13 anni fa | 0
how to find area,eccentricity,mean median ,mode ,variance of a white blood cell
<http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial-blobsdemo> would be a good place to start...
oltre 13 anni fa | 0
Display gray color only from grayscale image
For most tasks of analysing pixel values and thresholding, I've found <http://www.mathworks.com/matlabcentral/fileexchange/6770>...
oltre 13 anni fa | 0
Displaying Images after feature extraction
If you have four images in I, J, K and L, you could do this, figure subplot(2,2,1); imshow(I) subplot(2,2,2); imshow(...
oltre 13 anni fa | 0
What are the advantages/disadvantages to using the ball compared to the disk structuring element?
<http://blogs.mathworks.com/steve/2006/10/23/nonflat-grayscale-dilation-and-erosion/> has some details about the non-flat struct...
oltre 13 anni fa | 0
| accettato
Using Matlab for Iphone or Ipad
<http://www.mathworks.com/matlabcentral/answers/12036#comment_26682> at <http://www.mathworks.com/matlabcentral/answers/12036-ho...
oltre 13 anni fa | 1
| accettato
Delete rows in a matrix that contain ONLY a negative number
I'm quite positive that this does the trick. There would probably be more optimal ways to do it! X = 100.*rand(12,5); %for ...
oltre 13 anni fa | 1
histograms of crossing count
Thanks for the interesting question! I'm guessing you're trying something like this. The I = (rand(500,500) >= 0.5); %i...
oltre 13 anni fa | 0
how to load a picture in Matlab? can a video is uploaded in Matlab ?
<http://www.mathworks.com/products/imaq/examples.html> and <http://www.mathworks.com/help/imaq/examples/acquiring-a-single-image...
oltre 13 anni fa | 0
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Using fgetl() to read lines
<http://www.mathworks.com/matlabcentral/newsreader/view_thread/297814> may be of some help. Unless you are constrained to using ...
oltre 13 anni fa | 0
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I have a matrix, there are zeros values in that and i just want to remove the zero values from the array
if A is the array in question, you could do: A = A(A ~= 0);
oltre 13 anni fa | 1
| accettato
Which toolboxes are needed for object detection from video over MATLAB 2009 platform?
You may want to look at: <http://www.mathworks.com/products/computer-vision/index.html> (this is not available for 2009 thoug...
oltre 13 anni fa | 0
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Measuring indentation in an object
<http://blogs.mathworks.com/steve/2011/10/04/binary-image-convex-hull-algorithm-notes/> and the convex hull concept would help. ...
oltre 13 anni fa | 0
I wanna replacing 2nd and 3rd column to each other. How can I write a command?
Assuming I understand the question right, here is an example of how it could be done: x = magic(5); % a random matrix fo...
oltre 13 anni fa | 0
Mesh for 3D plot
Going from the error, it seems that you are trying to use mesh for a 1D array (Z in your case). Mesh expects the 'Z' to be a 2D ...
oltre 13 anni fa | 0
background noise and nearst point
For either case, I would imagine you will need a mask for the brain regions. This can be done either manually using <http://www....
oltre 13 anni fa | 0
convert 3d matrix to dicom image
I suppose for the time being, this happens to be the best available solution: <http://www.mathworks.com/matlabcentral/fileexch...
oltre 13 anni fa | 0
what is the code to apply filters (lowpass and highpass) for signals read?
Assuming you have the Signal Processing Toolbox installed, you could use the FDA Tool to specify the parameters for your filter....
oltre 13 anni fa | 0
Printing GUI figures
<http://www.mathworks.com/help/techdoc/ref/print.html> may help, although I've not tried it myself yet!
oltre 14 anni fa | 0
NaN in deconvolution
Since your data has zeros in them, deconvolution may return NaNs because you are dividing by zeros. What you could do is either ...
oltre 14 anni fa | 1
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showing the error out of memory
How to avoid out-of-memory cases: <http://www.mathworks.com/support/tech-notes/1100/1107.html>
oltre 14 anni fa | 0
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clarification of the use 'switch case'
from <http://www.mathworks.com/help/techdoc/ref/switch.html>, In MATLAB switch blocks, only the first matching case executes...
oltre 14 anni fa | 0
Convolution in MATLAB Simulink
<http://www.mathworks.com/support/solutions/attachment.html?resid=1-13ZSQN&solution=1-13ZSPM> may be of help, assuming you have ...
oltre 14 anni fa | 0
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