how can i replce numbers at the end of rows and coloumns in same metrix?

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rising falcon
rising falcon le 7 Oct 2015
Modifié(e) : rising falcon le 9 Oct 2015
A=zeros(4) and i want to replce numbers at the end of 3rd,4th row and 3rd,4th coloumns. how can i do this?
  1 commentaire
Dennie
Dennie le 7 Oct 2015
A=zeros(4);
%replace 3rd row
A(3,:)=[1 2 3 4];
%replace 3rd column
A(:,3)=[1;2;3;4];

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Réponses (1)

Titus Edelhofer
Titus Edelhofer le 7 Oct 2015
Hi,
replacing is a question of indexing. Try
A(3:4, 3:4)
and you should see a 2x2 Matrix. Replace this by any other 2x2 matrix using =
A(3:4,3:4) = rand(2,2);
Titus

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