how to collect the numerical values of marginal areas in an array????(help immediately)

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Talat
Talat 2011-4-9
i have matrix of (n * m) i need to collect its numerical values located at its margin(1st row, `1st column, last row and last column). em not geting how to give its size
{
for i = 1:1:n
for j= 1:1:m
----------
-----------
end
end}
it takes all rows and columns of that perticular matrix. plz make its correction.

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采纳的回答

Paulo Silva
Paulo Silva 2011-4-9
m is your array
FirstRow=m(1,:);
LastRow=m(end,:);
FirstColumn=m(:,1);
LastColumn=m(:,end);

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