(用matlab画相平面图)x'=2x+3y,y'=2x+y,x(0)=-2.7,y(0)=2.8 0

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(用matlab画相平面图)x'=2x+3y,y'=2x+y,x(0)=-2.7,y(0)=2.8 0

(用matlab画相平面图)x'=2x+3y,y'=2x+y,x(0)=-2.7,y(0)=2.8 0
(用matlab画相平面图)x'=2x+3y,y'=2x+y,x(0)=-2.7,y(0)=2.8 0

(用matlab画相平面图)x'=2x+3y,y'=2x+y,x(0)=-2.7,y(0)=2.8 0
做得很辛苦哦……楼主记得给分~~
  (2) x’=2x+3y, y’=2x+y, x(0)=-2.7,y(0)=2.8, 0