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auto split matrix with text and numbers into other matrices (up to n)

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JL
JL 2020-6-3
评论： JL 2020-6-3
Matrix A
A = [Aaa Bbb Ccc 1 1 1
Ddd Eee Fee 1 1 1
Ggg Hhh Iii 1 1 2
Jjj Kkk Lll 1 1 2
Mmm Nnn Ooo 2 2 3
Ppp Qqq Rrr 2 2 3];
auto split into other matrices B,C,D (potentially all the way to N) based on the last column
B = [Aaa Bbb Ccc 1 1 1
Ddd Eee Fee 1 1 1];
C = [Ggg Hhh Iii 1 1 2
Jjj Kkk Lll 1 1 2];
D = [Mmm Nnn Ooo 2 2 3
Ppp Qqq Rrr 2 2 3];

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回答（1 个）

KSSV
KSSV 2020-6-3
C = A(:,end) ;
[c,ia,ib] = unique(C) ;
N = length(c) ;
iwant = cell(N,1) ;
for i = 1:N
iwant{i} = A(ib==i,:) ;
end
iwant
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KSSV
KSSV 2020-6-3
The how do you think strings and numbers will form a matrix? You need to save them either in table or cells.

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