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Vasilis Chasiotis


Last seen: 4 years ago |  Active since 2020

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How to explore off diagonal elements in matrices without avoiding the for loop?
A = randn(n,n); % a n-by-n matrix of random numbers idx = eye(n,n); % the identity matrix of order n if all( A(~idx) > K ) % c...

4 years ago | 0

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Take specific elements from each cell of a cell array
Hello! Let A be a 1x10 cell array. Each of the 10 cells of A are nxm matrices. Also, let an 1x10 vector x, that is, x=[ x1 x2 ....

4 years ago | 1 answer | 0

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Different number of for loops
I want my input to be a number at least 9 or 10, say n, and I need a code to create n number of for loops. I need to change the ...

4 years ago | 2 answers | 0

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Restricted integer compositions with fixed number of parts and different bounds for each part
There are functions from which restricted integer compositions with fixed number of parts can be obtained, like *colex*, *jdoric...

4 years ago | 0 answers | 0

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How to create permutations of multisets?
I have a vector with N=6 elements and q=3 elements symboled as 0, 1, 2. I want to create all vectors consisted of N=6 elements ...

4 years ago | 1 answer | 0

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Change a variable's value wherever exists
I have the following code: syms a x = a+1; a = 2; However, the value of x is equal to a+1. Because I put a=2, how can I ta...

4 years ago | 1 answer | 0

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Swap all the values in a vector
I have the vector x=[1 2 3 4 5 6 7 8] and I want to create another one in which I have swaped the elements as (17)(24)(38)(56), ...

4 years ago | 1 answer | 0

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