Pleaaaase help me !!!! i didn't got a result with this code.
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Af=diag([-10 -10])
Da=[4.3970 33.4300;
-0.4182 -1.1780]
Ba=[0 0;6.8060 9.2750;
-1.7700 -0.7986;
0 0;0 0;
6.1130 -42.0300;
0 0;
-20.2700 -13.2900]
B=[Ba -Af*Da]
Af =
-10 0
0 -10
Da =
4.3970 33.4300
-0.4182 -1.1780
Ba =
0 0
6.8060 9.2750
-1.7700 -0.7986
0 0
0 0
6.1130 -42.0300
0 0
-20.2700 -13.2900
Error using horzcat
Dimensions of matrices being concatenated are not consistent.
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采纳的回答
Walter Roberson
2018-5-2
Your Ba is 8 x 2.
Your Af and Da are 2 x 2, and when you matrix-multiply a 2 x 2 with a 2 x 2 you get a 2 x 2, so -Af*Da is 2 x 2.
You are trying to create a matrix in which the first two columns have 8 rows, but the last two columns contain only 2 rows.
What size of output were you expecting?
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