下列变量组哪一个构成一个闭回路:( )
A: {x11,x12,x23,x34,x41,x13}
B: {x21,x13,x34,x41,x12}
C: {x12,x32,x33,x23,x21,x11}
D: {x12,x22,x32,x33,x23,x21}
A: {x11,x12,x23,x34,x41,x13}
B: {x21,x13,x34,x41,x12}
C: {x12,x32,x33,x23,x21,x11}
D: {x12,x22,x32,x33,x23,x21}
举一反三
- 下列变量组是一个闭回路<br/>( ) A: {x21,x23,x13,x12,x32,x34,x44,x41} B: {x11,x12,x23,x34,x41,x13} C: {x12,x32,x33,x23,x21,x11} D: {x12,x22,x32,x33,x23,x21}
- 下列变量组是一个闭回路的有( ) A: (x11,x23,x33,x21,x32,x12) B: (x33,x23,x14,x24,x12,x32) C: (x11,x33,x45,x13,x44,x24,x21,x35) D: (x15,x22,x34,x12,x24,x32) E: (x13,x23,x34,x12,x24,x33)
- 用表上作业法求最优方案[img=1033x232]17e447cdd0cc8a4.png[/img]x11=____,x12=_____,x13=_____,x14=_____,x21=_____,x22=_____,x23=_______,x24=______,x31=_____,x32=______,x33=_______,x34=________,σ11=______,σ12=____,σ13=______,σ14=____,σ21=_____,σ22=______,σ23=______,σ24=_____,σ31=______,σ32=______,σ33=______,σ34=______
- 下列变量组是一个闭回路的有()。 A: (x11,x23,x33,x21,x32,x12) B: (x33,x23,x14,x24,x12,x32) C: (x11,x33,x45,x13,x44,x24,x21,x35) D: (x15,x22,x34,x12,x24,x32)
- 下列变量组是一个闭回路的有()。 A: (x11,x22,x34,x12,x24,x33) B: (x11,x22,x24,x12,x31,x34) C: (x21,x23,x12,x11,x32,x33) D: (x11,x35,x42,x12,x43,x25,x23,x31) E: (x33,x32,x12,x11,x21)