Stephen

University of Florida

Last seen: 8 meses hace | Con actividad desde 2012

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Estadística

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

8 meses hace

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

8 meses hace

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

casi 11 años hace

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

casi 11 años hace

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

casi 11 años hace

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

casi 11 años hace

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Steepness of a Histogram
if he had an exponential distribution vs. a normal, there's different 'steepness' in each one depending on what you examine, but...

más de 12 años hace | 0

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Plotting data labels with the mapping toolbox
could you just refresh the original background image and only plot the updated city info? Completely erase the pre-existing map,...

más de 12 años hace | 0

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Want to create a 3d graph of chi^2 for a 2d data set /w 3 parameters
it looks like X and Y are not a single value, but the result of meshgrid, and when you perform the .* operations with the 1001 e...

más de 12 años hace | 0

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Creating an infinite loop until an event occurs?
go = true; while go step1 step2 step3 if step3==stopcriteria go=false end ...

más de 12 años hace | 1

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image deblurring or noise removal
try doing the same process to a matrix of ones and using ./ to get rid of the vignetting effect. Probably, whatever you're doing...

más de 12 años hace | 0

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Making multiple matrices at once?
make a structured variable for t=1:n^2 V(t).matrix=zeros(n); end Call them by V(t).matrix and get spec...

más de 12 años hace | 0

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plots - graphics quality poor
save them as jpegs or something... you can make lines thicker with the set() command and change the default font and stuff. b...

más de 12 años hace | 0

Pregunta

soundsc
So, I noticed that you can't cntr + c out of the sound playback from soundsc. Is there a way to kill the horrible noises I'm mak...

más de 12 años hace | 1 respuesta | 0

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Dynamic color for a plot
if you want to change a bunch of stuff with plot, you could do it like this: mark=['^';'s','o','.','x'] for t=1:5 h...

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Unknown Error
if the function usually outputs 1 thing and you ask for more, it will give you that error. for example, function ans = myfu...

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gaussian and rayleigh distribution MRI Late Enhancement
[c1, c2] = hist(I(:), 50); f=fit(c2', c1', 'gauss1'); or for the rayleigh, you'd have to specify it in fittype where 'g...

más de 12 años hace | 0

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Video capture
that's not really a matlab question, but why can't you just save video to your camera's storage device and import it later throu...

más de 12 años hace | 0

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bwlabel changing connectivity of image
I agree with Image Analyst. Is your image a jpg or has it been compressed? If so, there are little ghosts that lurk as low inten...

más de 12 años hace | 1

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storing data from function
So, you have: function something [sound, freq] = wavread(file); end ? If so, you need to output those valu...

más de 12 años hace | 0

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just a question
let's say i have the image: img = [1 0 -1; 0 -1 0; 1 1 -1]; and I'd like to get the values on the 8-connected...

más de 12 años hace | 1 respuesta | 0

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Detect a human figure in a live video
if the camera is static, take a blank image and subtract it from the live feed to get a rough idea of what pixel values have cha...

más de 12 años hace | 2

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composite function
plot(C,A) you can plot anything against anything else. If A and C correspond to the same values of B then the above code sh...

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colorbar: cdata and colors
imagesc automatically scales your image to 'fit' to the colorbar. It can be a huge pain sometimes. If you can get away with it, ...

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manual segmentation of image
imfreehand methods imfreehand

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how to select certain shape from different images?
haha, Walter :) You can use the rucklidge algorithm. It relies on the haussdorf distance of a set of points, say the 10 point...

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Re-Asking a Question: Creating a Connection Matrix from an indexed point set
after looking at it for a while I think I understand. let me use N=3 to try and restate what you've asked... from points, ...

más de 12 años hace | 0

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How to save/access an axes's properties using the handles structure?
I used to know how to answer this better, and maybe a bit of reading will answer based on my advice. In each function of the GUI...

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determine the angle of image
show the image somehow and use: pos = ginput(3); it will give you the option to chose three points on your image. click ...

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converting a image
im2col(a,[64 64],'distinct') will give you your blocks as columns that you just need to reshape into squares again. I can't h...

más de 12 años hace | 0

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Stephen

University of Florida

Estadística

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