已知非线性系统的微分方程为:[img=208x83]1803bc4b5a48a78.png[/img],利用近似线性化方法得到系统的局部线性化状态空间表达式是( )。
A: [img=189x51]1803bc4b6208fa1.png[/img];[img=103x25]1803bc4b6a0f52f.png[/img]
B: [img=189x51]1803bc4b724f68d.png[/img];[img=103x25]1803bc4b7ad031f.png[/img]
C: [img=189x51]1803bc4b82c44e7.png[/img];[img=103x25]1803bc4b8aa61aa.png[/img]
D: [img=189x51]1803bc4b92f2afc.png[/img];[img=103x25]1803bc4b9bc2227.png[/img]
A: [img=189x51]1803bc4b6208fa1.png[/img];[img=103x25]1803bc4b6a0f52f.png[/img]
B: [img=189x51]1803bc4b724f68d.png[/img];[img=103x25]1803bc4b7ad031f.png[/img]
C: [img=189x51]1803bc4b82c44e7.png[/img];[img=103x25]1803bc4b8aa61aa.png[/img]
D: [img=189x51]1803bc4b92f2afc.png[/img];[img=103x25]1803bc4b9bc2227.png[/img]
举一反三
- 已知:如图,四边形ABCD,AB=1,BC=3/4,CD=13/4,AD=3,且AB⊥BC。求四边形ABCD的面积。[img=102x96]181806d4bc8488e.png[/img]
- 用力矩分配法计算图示结构时,BC杆的分配系数[img=30x18]1803d1970bfb12e.png[/img]是:[img=182x177]1803d1971731be4.png[/img] A: 4/7 B: 16/29 C: 16/25 D: 9/25
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 设[img=127x53]17f1b3d6db98b83.jpg[/img],f(x)=arctanΧ,则[img=56x55]17f1b3d82842941.jpg[/img]=()。 A: π B: 3π/4 C: -3π/4 D: 2π
- 设正态分布N(0, 4)的分布函数为F(x),则F’(x) = ( ). A: [img=73x63]1802f2c47707b95.png[/img] B: [img=86x65]1802f2c47feb07a.png[/img] C: [img=75x58]1802f2c4884644b.png[/img] D: [img=87x58]1802f2c48fffbbf.png[/img]