auto split matrix into other matrices (up to n)

2 vues (au cours des 30 derniers jours)
JL
JL le 28 Mai 2020
Commenté : JL le 28 Mai 2020
Matrix A
A = [1 55 14 1 1 1
2 55 14 1 1 1
5 35 13 1 1 2
6 35 12 1 1 2
7 35 11 2 2 3
8 35 11 2 2 3;
auto split into other matrices B,C,D (potentially all the way to N) based on the last column
B = [1 55 14 1 1 1
2 55 14 1 1 1];
C = [5 35 13 1 1 2
6 35 12 1 1 2];
D = [7 35 11 2 2 3
8 35 11 2 2 3];

Réponse acceptée

KSSV
KSSV le 28 Mai 2020
A = [1 55 14 1 1 1
2 55 14 1 1 1
5 35 13 1 1 2
6 35 12 1 1 2
7 35 11 2 2 3
8 35 11 2 2 3];
C = A(:,end) ;
[c,ia,ib] = unique(A(:,end)) ;
N = length(c) ;
iwant = cell(N,1) ;
for i = 1:N
iwant{i} = A(ib==i,:) ;
end
  3 commentaires
KSSV
KSSV le 28 Mai 2020
You have what you want....iwant{1}, iwant{2}, iwant{3}
JL
JL le 28 Mai 2020
thats true! thanks :)

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