adding coloum
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how to add a column on a matrix ??
2 个评论
Jan
2011-11-24
This question is exhaustively answers by the Getting Started chapters of the documentation. It is strongly recommended to read these chapters, if you want to use such a powerful language as Matlab.
Andrei Bobrov
2011-11-24
I totally agree with Jan!
回答（2 个）
Andrei Bobrov
2011-11-24
A = [1 2 3;4 5 6]
B = [7;8]
C = [A,B]
or
C = A;
C(:,end+1) = B
Image Analyst
2011-11-24
Try this little demo. It should be rather self explanatory and fairly robust:
% Generate some sample data
rows = 4;
M = magic(rows)
columnToInsert = ones(rows,1)
% Append the column.
appendedM = [M columnToInsert]
% Prepend the column.
prependedM = [columnToInsert M]
% Insert the column in the middle somewhere.
newColNumber = 3;
insertedM = [M(:, 1:newColNumber-1), columnToInsert, M(:, newColNumber:end)]
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