The values of the "a" and "c" properties must be matrices with the same number of columns.

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othman Bawazir
othman Bawazir 2020-10-3
编辑： KALYAN ACHARJYA 2020-10-3
Error using ss (line 345)
The values of the "a" and "c" properties must be matrices with the same number of columns.
A=[-0.0895 -0.286 0;-0.0439 -0.272 0;0 1 0]
A =
-0.0895 -0.2860 0
-0.0439 -0.2720 0
0 1.0000 0
>> b=[0.0145;-0.0122;0]
b =
0.0145
-0.0122
0
>> c=[0;0;1]
c =
0
0
1
>> d=[0]
d =
0
sys=ss(A,b,c,d)
Error using ss (line 345)
The values of the "a" and "c" properties must be matrices with the same number of columns.

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回答（1 个）

KALYAN ACHARJYA
KALYAN ACHARJYA 2020-10-3
编辑：KALYAN ACHARJYA 2020-10-3
Error clearly stated that A and c state-space matrices to be same number of columns to avoid this error.
A=[-0.0895 -0.286 0;-0.0439 -0.272 0;0 1 0]
b=[0.0145;-0.0122;0]
c=randi(5,[2,3]); % Changed here for test
d=[0]
sys=ss(A,b,c,d)

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