A=[100 230 11; 22 10 15; 2 3 90;]
A =
100 230 11
22 10 15
2 3 90
To add a row at the beginning:
A=[[10 20 30]; A]
A =
10 20 30
100 230 11
22 10 15
2 3 90
To add a row at the end:
A=[A; [10 20 30];]
A =
100 230 11
22 10 15
2 3 90
10 20 30
To add a column at the beginning:
A=[[10; 20 ;30] A]
A =
10 100 230 11
20 22 10 15
30 2 3 90
To add a column at the end:
A=[A [10; 20 ;30]]
A =
100 230 11 10
22 10 15 20
2 3 90 30
To add a row in the middle:
A=[10 12 14 16; 3 6 9 12; 4 8 12 16; 5 10 15 20;]
A =
10 12 14 16
3 6 9 12
4 8 12 16
5 10 15 20
A=[A(1:2,:); [8 16 24 32]; A(3:4,:);]
A =
10 12 14 16
3 6 9 12
8 16 24 32
4 8 12 16
5 10 15 20
To add a column in the middle:
A=[A(:,1:2) [100; 200; 300; 400;] A(:,3:4)]
A =
10 12 100 14 16
3 6 200 9 12
4 8 300 12 16
5 10 400 15 20
To add a row in the middle:
A=[10 12 14 16; 3 6 9 12; 4 8 12 16; 5 10 15 20;]
A =
10 12 14 16
3 6 9 12
4 8 12 16
5 10 15 20
A=[A(1:2,:); [8 16 24 32]; A(3:4,:);]
A =
10 12 14 16
3 6 9 12
8 16 24 32
4 8 12 16
5 10 15 20
To add a column in the middle:
A=[A(:,1:2) [100; 200; 300; 400;] A(:,3:4)]
A =
10 12 100 14 16
3 6 200 9 12
4 8 300 12 16
5 10 400 15 20
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