Create a matrix from some given matrices

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Tanvir Hossain
Tanvir Hossain il 22 Set 2019
Risposto: Stephen23 il 23 Set 2019
I have this matrix to implement. Where user would define the value of dimensions ( p and N).
Annotatnjhion.png
what would be the most efficient way to doing this in matlab.

Risposte (2)

David Hill
David Hill il 23 Set 2019
As long as the size of matrices A,B,and C are the same, creating new matrix as listed above is as simple as the following.
newMatrix = [A,B,zeros(size(A));C,A,B;zeros(size(A)),C,A];

Stephen23
Stephen23 il 23 Set 2019
>> p = 2;
>> N = 3;
>> A = randi(9,p,p)
A =
6 7
2 1
>> B = randi(9,p,p)
B =
3 1
1 8
>> C = randi(9,p,p)
C =
7 9
3 1
>> D = {zeros(p,p),C,A,B};
>> V = ones(1,N-2);
>> X = toeplitz([3,2,V],[3,4,V]);
>> M = cell2mat(D(X))
M =
6 7 3 1 0 0
2 1 1 8 0 0
7 9 6 7 3 1
3 1 2 1 1 8
0 0 7 9 6 7
0 0 3 1 2 1

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