row filtering and pre-allocate

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Oday Shahadh
Oday Shahadh 2020-6-10
评论： madhan ravi 2020-6-10
hi all,
here p is (1,3) vector,:
  1. how can I preallocate a.
  2. how can store each filtered rows in a seperate matrix.
Regards
for i=1:length(L);
a=p(p(:,3)==L(i),:);
end

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madhan ravi
madhan ravi 2020-6-10
编辑：madhan ravi 2020-6-10
a = cell(numel(L),1);
for ii = 1:numel(L);
a{ii} = p(p(:,3) == L(ii),:);
end
celldisp(a)
%or
a = num2cell(p(any(p(:,3) == L, 2), :),2)

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