A=[0−51−2],B=[01]인 상태방정식 dtdx=Ax+Br에서 상태 천이 행렬 ϕ(t)는?
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1
⎣⎡e−t(cos2t+21sin2t)−25e−tsin2t21e−tsin2te−t(cos2t+21sin2t)⎦⎤
2
⎣⎡e−t(cos2t−21sin2t)21e−tsin2t−25e−tsin2te−t(cos2t+21sin2t)⎦⎤
3
⎣⎡e−t(cos2t+21sin2t)21e−tsin2t−25e−tsin2te−t(cos2t−21sin2t)⎦⎤
4
⎣⎡e−t(cos2t+21sin2t)−25e−tsin2t21e−tsin2te−t(cos2t−21sin2t)⎦⎤
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