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DEVANAND


The Institute of Mathematical Sciences, Chennai

Last seen: 2 years 前 |  自 2012 起处于活动状态

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统计学

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Visualizing an aggregation pattern properly?
So my program is giving me an aggregation pattern output whose video is available <https://www.youtube.com/watch?v=qujmGZCtj6k&f...

9 years 前 | 0 个回答 | 0

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提问


Lagrange interpolation for 2D inputs like images?
Hi everyone. Do any one has code or link for lagrange interpolator in matlab for 2D data ( like for image interpolation etc ). T...

9 years 前 | 0 个回答 | 1

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提问


Can someone help vectorize this loop?
Hi, Can this code be vectorized. If so, can someone help me to do so. Thanks in advance. C is a 201*201 2D matrix. ...

9 years 前 | 1 个回答 | 0

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提问


How to generate a second order markov chain?
I have 27 symbols (numbers 1 to 27) and a probability transition matrix of size 729*27 for generating a second order markov chai...

10 years 前 | 0 个回答 | 1

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提问


How to make this long if-else chain compact?
I am trying to generate a markov chain based text generator of 2nd order. As a first step, I did a zeroth order Markov chain.But...

10 years 前 | 1 个回答 | 0

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已回答
How to query for all the nitrogen coordinates in pdb file?
pdb1 ='/home/devanandt/Documents/VMD/1UBQ.pdb'; x=pdbread(pdb1); atom={x.Model.Atom.AtomName}; n_i=find(strcmp(at...

10 years 前 | 1

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提问


How to query for all the nitrogen coordinates in pdb file?
0 down vote favorite I was trying to extract Nitrogen coordinates from ubiquitin protein. I have the 1UBQ.pdb file from h...

10 years 前 | 1 个回答 | 0

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提问


How to modify my 1D random walk sequence to a reflecting type random walk?
I have a sequence 'x' generated as below (for simulating 1D random walk): r=rand(1,1000); r(r>.5)=1; r(r<=.5)=-1; ...

10 years 前 | 1 个回答 | 0

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提问


How to extract the vein pattern from an IR image of finger?
I am trying to isolate (or segment to be precise) the vein pattern from Infra red image of a finger (using MATLAB) like shown ...

10 years 前 | 2 个回答 | 0

2

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已回答
How to write this cell to a csvfile?
OK I did it. This is how I did: fid = fopen('junk.csv','w'); fprintf(fid,'%s,%s\n',xx{1,:}); % cell name xx with 4*2 ele...

10 years 前 | 0

提问


How to write this cell to a csvfile?
Hi all, If I have a cell with contents like {'X','Y'; 1,'a'; 2,'c'; 3,'c'} Now I want to convert this cell to...

10 years 前 | 1 个回答 | 0

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提问


How to efficiently write an alternate code for the below given code?
I have a piece of code, which reads 100000 images, convert it to grayscale and find the histogram of each and finally concatenat...

10 years 前 | 1 个回答 | 0

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提问


How can I read huge amount of image files and take the corresponding histogram data to a matrix in order?
Hi all, Suppose I have a database of 100000 image files (the names of files are numbers 1.jpg to 100000.jpg) . I want to compute...

10 years 前 | 3 个回答 | 0

3

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已回答
Doubt on Covariance matrix of 3 vectors in MATLAB
ok I got it..... Thanks

11 years 前 | 0

提问


Doubt on Covariance matrix of 3 vectors in MATLAB
Hi all, The covariance matrix of 3 vectors x y and z is defined by cov_matrix(x,y,z) =[var(x) cov(x,y) cov(x,z); ...

11 years 前 | 2 个回答 | 0

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提问


How to realize this vector operation ?
I have a vector X and 5 states (each state is a vector like A B C D E as below). A = [10 11 12]; B = [20 25]; C = [37 ...

11 years 前 | 2 个回答 | 0

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已解决


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:...

12 years 前

提问


I have a n symbols and a conditional probability matrix, how do I generate an output sequence from this n symbols using their respective conditional probability?
Hi all, I have a n symbols and a conditional probability matrix, how do I generate an output sequence from this n symbols usi...

12 years 前 | 0 个回答 | 0

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