Radu Mihail

Last seen: circa 2 mesi fa | Attivo dal 2016

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Program to Change the least number of a given Matrix Elements to get a condition on the sum of the numbers from collated row digits of the Matrix
I have a given Matrix A=k x n (k rows and n columns), with all elements digits in base 4,(can be only {0,1,2,3}). I want to writ...

6 mesi fa | 0 risposte | 0

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Find back lost values from an original matrix of derived incomplete column vectors
I have a matrix M and I am extracting a submatrix A of selected column vectors from M , without keeping the values of the third...

oltre 2 anni fa | 1 risposta | 0

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Sort column vectors of a matrix and extract a new vector from a maximal criterion
I do have a huge nx4 matrix M in which its column vectors are listed according to given categories. All column vectors from the ...

oltre 2 anni fa | 1 risposta | 0

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Domanda

How to count the frequency of each type of column vector present in a matrix
I have a matrix R(21,3) R=[1,1,1,2,2,2,1,2,2,1,4,2,2,2,2,1,2,1,3,1,1;1,1,2,2,2,1,2,2,1,4,2,2,2,2,1,2,1,3,1,1,1;1,2,2,2,1,2,2,...

circa 3 anni fa | 1 risposta | 0

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Loop does not save intermediary steps
I have a huge matrix A(1540,1540) I am trying to get all its diagonals under the main one at 3n+1 steps in separate vectors x ...

oltre 3 anni fa | 1 risposta | 0

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Domanda

Define new operations for a matrix
I have 2 vectors x=[0 1 2 0 1 0 3 1 0] and its transposed column vector y=x' I need to define a new operation , let's say * fo...

oltre 3 anni fa | 2 risposte | 0

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Domanda

How to calculate the total number of incidences of a kj part in all compositions of a natural number N
A composition of natural number N is a partition in ki summands(parts) of N=k1+k2+k3+k4...+ki , with ki >or =1 and ki<N, where t...

oltre 5 anni fa | 1 risposta | 0

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Domanda

I need to partition an input vector v into smaller series of subvectors each containing the whole array of a periodic pattern given by a local sum of successive elements in the array.
I need to partition an input vector v into smaller series of subvectors each containing the whole array of a periodic pattern g...

circa 8 anni fa | 1 risposta | 0

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Radu Mihail

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