1、555555yyy?.?555yyy?.?Mathematic ModelingI?E?III?EEE?555555yyy?.?555yyy?.1oI?SN?0?55y?.?5y?.III?EEE?555555yyy?.?555yyy?.1oI?SN?0?55y?.?5y?.III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?!?.?55yflK?C?53?5?e?55yflK?/“?minz=nXj=1cjxjs.t.nXj=1aijxj6 bii=1,2,.,mx1,x2,.,xn 0III?EEE?555
2、555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?!?.?55yflK?C?53?5?e?55yflK?/“?minz=nXj=1cjxjs.t.nXj=1aijxj6 bii=1,2,.,mx1,x2,.,xn 0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?55yflK?IO/“?minz=nXj=1cjxjs.t.nXj=1aijxj=bi(0)i=1,2,.,mx1,x2,.,xn 0III?EEE?555555yyy?.?555yyy?
3、555555yyyflflflKKK)?555yyy0-1555yyy?55yflK?z?IO/“?NXe?1.8IIOz maxz=min(z)2.?IOzb?k?“?ai1x1+ai2x2+ainxn6 biai1x1+ai2x2+ainxn bi?#C?xn+1,xn+2?t?C?K?“?due?“?ai1x1+ai2x2+ainxn+xn+1=bixn+1 0ai1x1+ai2x2+ainxn xn+2=bixn+2 0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy3.gdC?IOzeC?xj
4、C?x0j,x00j-xj=x0j x00j,x0j,x00j 0.?e?IO/“?/“L?minz=c0 xs.t.Ax=bx 0?rk(Amn)=m,m 4 Z?3?F?E?B zIu 5 5 Z?10?Ffi?E?A?B zO|7000?12000?yT?ku 360 200 Z?F 300?|flAB?A)?U|?”III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy)x1,x2OL AB?Oy)?f L|d?Z?Kf=7x1+12x2?u?9x1+5x2,?4x1+5x2,?F 3x1+10 x2,u
5、5y?.?maxf=7x1+12x2s.t.9x1+5x26 3604x1+5x26 2003x1+10 x26 300 x1,x2 0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy)x1,x2OL AB?Oy)?f L|d?Z?Kf=7x1+12x2?u?9x1+5x2,?4x1+5x2,?F 3x1+10 x2,u?5y?.?maxf=7x1+12x2s.t.9x1+5x26 3604x1+5x26 2003x1+10 x26 300 x1,x2 0III?EEE?555555yyy?.?555yyy?
6、555555yyyflflflKKK)?555yyy0-1555yyy 2?,?k!fl!Z!o?m)?A!B!C!D!E!F 8?5U?c?)?)?z?I?m?!z?m3?G?9?d?XeL?ABCDEFz?mzG?0.010.010.010.030.030.03850fl0.020.05700Z0.020.051000.030.08900?d(?)0.400.280.320.720.640.60fl?z?zG?A)?U?zG?)?o?”III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy)x1 x6OL
7、zG?)?A!B!C!D!E!F?u?I?v0.010.010.010.030.030.030.020.050.020.050.030.08x1x2x3x4x5x6850700100900 x1,x2,.,x6 08I?maxf=0.40 x1+0.28x2+0.32x3+0.72x4+0.64x5+0.60 x6III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?t?C?x7,x8,x9,x10zIO.ming=0.40 x1 0.28x2 0.32x3 0.72x4 0.64x5 0.60 x6s.t.0.0
8、10.010.010.030.030.0310.020.0510.020.0510.030.081x1.x10=850700100900 xj 0,j=1,2,.,10III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?!?55yflK)1.?1?A?A?v?)?1)k?1)?8?1?v8I“?1)?)n 1i?55yflK?1?/ii?55yflKXJ?3?)K?)73?1?”:?1?”:?1)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-
9、1555yyy?!?55yflK)1.?1?A?A?v?)?1)k?1)?8?1?v8I“?1)?)n 1i?55yflK?1?/ii?55yflKXJ?3?)K?)73?1?”:?1?”:?1)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?!?55yflK)1.?1?A?A?v?)?1)k?1)?8?1?v8I“?1)?)n 1i?55yflK?1?/ii?55yflKXJ?3?)K?)73?1?”:?1?”:?1)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflf
10、lKKK)?555yyy0-1555yyy?!?55yflK)1.?1?A?A?v?)?1)k?1)?8?1?v8I“?1)?)n 1i?55yflK?1?/ii?55yflKXJ?3?)K?)73?1?”:?1?”:?1)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2.?X/?g?l?1?”:?1)?u=?,?”:?8I?k?)?X?A L?A=(a1,a2,an)?aj m?A?1 j?du rk(A)=m?A k m?5?Ac m?5=a1,a2,.,am?5III?EEE?555555yyy?.?5
11、55yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2.?X/?g?l?1?”:?1)?u=?,?”:?8I?k?)?X?A L?A=(a1,a2,an)?aj m?A?1 j?du rk(A)=m?A k m?5?Ac m?5=a1,a2,.,am?5III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2.?X/?g?l?1?”:?1)?u=?,?”:?8I?k?)?X?A L?A=(a1,a2,an)?aj m?A?1 j?du rk(A)=m?A k m?5?Ac m?5
12、a1,a2,.,am?5III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyPA=(E,F),E?:)?XE=(x1,x2,.,xm)0,XF=(xm+1,.,xn)0,CE=(c1,cm)0,CF=(cm+1,.,cn)0,K5yflK?minz=C0EXE+C0FXFs.t.EXE+FXF=bXE 0,XF 0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyPA=(E,F),E?:)?XE=(x1,x2,.,xm)0,XF=(
13、xm+1,.,xn)0,CE=(c1,cm)0,CF=(cm+1,.,cn)0,K5yflK?minz=C0EXE+C0FXFs.t.EXE+FXF=bXE 0,XF 0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?(E,F,b)?C?E z?=(E,F,b)(Im,E1F,E1b)P b=E1b=(b1,.,bm)0,G=E1F=(gij),L=C0F C0EG=(l1,.,lnm)0minz=C0EE1b+L0XFs.t.XE+GXF=bXE 0,XF 0III?EEE?555555yyy?.?555y
14、yy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?(E,F,b)?C?E z?=(E,F,b)(Im,E1F,E1b)P b=E1b=(b1,.,bm)0,G=E1F=(gij),L=C0F C0EG=(l1,.,lnm)0minz=C0EE1b+L0XFs.t.XE+GXF=bXE 0,XF 0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?w?e b 0K XE=E1b=b,XF=0?1)qe L 0K?)e?3 lk 0 u X=(XE,XF)?1)?z=C0EE1b
15、lkxm+k du lk 0K XE=E1b=b,XF=0?1)qe L 0K?)e?3 lk 0 u X=(XE,XF)?1)?z=C0EE1b+lkxm+k du lk 0?z e.=d?vk?)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyE?3 lk 0u?1C?=?5?C?C?8I?e?gS?k?g?S?B?)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?X/?1?A=(E,F).1?O?b=E1b,G=E1F
16、L=C0F C0EG.1n?e L 0KXE=b,XF=0?)STOPek lk 0?Q=min1im?bigik|gik 0?=bigik?A?1 m+k?F?1 k?A?1 i?E?1 i?p?#?:)?E,?1?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?X/?1?A=(E,F).1?O?b=E1b,G=E1F,L=C0F C0EG.1n?e L 0KXE=b,XF=0?)STOPek lk 0?Q=min1im?bigik|gik 0?=bigik?A?1 m+k?F?1 k?A?1 i?E?1
17、 i?p?#?:)?E,?1?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?X/?1?A=(E,F).1?O?b=E1b,G=E1F,L=C0F C0EG.1n?e L 0KXE=b,XF=0?)STOPek lk 0?Q=min1im?bigik|gik 0?=bigik?A?1 m+k?F?1 k?A?1 i?E?1 i?p?#?:)?E,?1?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?X/?1?A=(E,F).
18、1?O?b=E1b,G=E1F,L=C0F C0EG.1n?e L 0KXE=b,XF=0?)STOPek lk 0?Q=min1im?bigik|gik 0?=bigik?A?1 m+k?F?1 k?A?1 i?E?1 i?p?#?:)?E,?1?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?X/?1?A=(E,F).1?O?b=E1b,G=E1F,L=C0F C0EG.1n?e L 0KXE=b,XF=0?)STOPek lk 0?Q=min1im?bigik|gik 0?=bigik?A?1 m+k?
19、F?1 k?A?1 i?E?1 i?p?#?:)?E,?1?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyydu?X/U?yz?S?8I?e?yEy?k?S?7?)III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy 3)?55yflKminz=0.40 x1 0.28x2 0.32x3 0.72x4 0.64x5 0.60 x6s.t.0.010.010.010.030.030.0310.020.0510.020.0510.030
20、081x1.x10=850700100900 xj 0,j=1,2,.,10III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy)w,k?:)?E=(a7,a8,a9,a10)=I4u F=(a1,.,a6)C0E=(0,0,0,0)C0F=(0.40,0.28,0.32,0.72,0.64,0.60)b0=(850,700,100,900),O?b=E1b=bG=E1F=F L=C0F C0EG=C0FIII?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555y
21、yy0-1555yyy)w,k?:)?E=(a7,a8,a9,a10)=I4u F=(a1,.,a6)C0E=(0,0,0,0)C0F=(0.40,0.28,0.32,0.72,0.64,0.60)b0=(850,700,100,900),O?b=E1b=bG=E1F=F L=C0F C0EG=C0FIII?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyydu?k lk 0?=min?b1g11,b2g21?=min?8500.01,7000.02?=7000.02III?EEE?555555yyy?.?555yyy?
22、555555yyyflflflKKK)?555yyy0-1555yyydu?k lk 0?=min?b1g11,b2g21?=min?8500.01,7000.02?=7000.02III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?C?x8.#?C?x7,x1,x9,x10:)?E=10.010.0211E1=10.55011?A/F=0.010.010.030.030.0310.050.020.050.030.08III?EEE?555555yyy?.?555yyy?.?.?555555yyyflfl
23、flKKK)?555yyy0-1555yyy?C?x8.#?C?x7,x1,x9,x10:)?E=10.010.0211E1=10.55011?A/F=0.010.010.030.030.0310.050.020.050.030.08III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyG=E1F=0.50.010.010.0050.030.03502.50.020.050.030.08b=E1b=(500,35000,100,900)0C0E=(0,0.4,0,0)C0F=(0,0.28,0.32,0.72,0.6
24、4,0.60)L=C0F C0EG=C0F(20,0,0,1,0,0)=(20,0.28,0.32,0.28,0.64,0.60)0III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?C?x2,x3,x5,x6?x2?C?O?Q=min1im?bigi2|gi2 0?=min?b1g12,b3g32?=min?5000.01,1000.02?=1000.02?x9?C?#?C?x7,x1,x2,x10.eS?L?2L?gS?)?x1=35000,x2=5000,x3=3000III?EEE?555555yyy?.
25、555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyn!?5y?|.gIII?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyo!0-15y 4AMCM-88B?r?5?C?C?c?C?!p?tf?w6?eL?C?!?9?C1C2C3C4C5C6C7?t48.752.061.372.048.752.064.0?w200030001000500400020001000?n8796648z?k 10.2?/?5C?C?1 40 du?/?$?c5,c6,c7a?C?ok?AO?Ta
26、fo?L 302.7f?r?C?C?L?m?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyo!0-15y 4AMCM-88B?r?5?C?C?c?C?!p?tf?w6?eL?C?!?9?C1C2C3C4C5C6C7?t48.752.061.372.048.752.064.0?w200030001000500400020001000?n8796648z?k 10.2?/?5C?C?1 40 du?/?$?c5,c6,c7a?C?ok?AO?Ta?fo?L 302.7f?r?C?C?L?m?III?EEE?55
27、5555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy1!flK?Kk?C?89?U1 80d?U?CeflKC=?f?m?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy1!flK?Kk?C?89?U1 80d?U?CeflKC=?f?m?III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2!?.?xij=1 i?C Cja?f?i=1,2;j=1,2,.,7g,?xij
28、 Z+?x1j+x2j6 njj=1,2,.7?2xi1+3xi2+xi3+0.5xi4+4xi5+2xi6+xi76 40,i=1,2III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2!?.?xij=1 i?C Cja?f?i=1,2;j=1,2,.,7g,?xij Z+?x1j+x2j6 njj=1,2,.7?2xi1+3xi2+xi3+0.5xi4+4xi5+2xi6+xi76 40,i=1,2III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yy
29、y0-1555yyy2!?.?xij=1 i?C Cja?f?i=1,2;j=1,2,.,7g,?xij Z+?x1j+x2j6 njj=1,2,.7?2xi1+3xi2+xi3+0.5xi4+4xi5+2xi6+xi76 40,i=1,2III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2!?.?xij=1 i?C Cja?f?i=1,2;j=1,2,.,7g,?xij Z+?x1j+x2j6 njj=1,2,.7?2xi1+3xi2+xi3+0.5xi4+4xi5+2xi6+xi76 40,i=1,2III?
30、EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy2!?.?xij=1 i?C Cja?f?i=1,2;j=1,2,.,7g,?xij Z+?x1j+x2j6 njj=1,2,.7?2xi1+3xi2+xi3+0.5xi4+4xi5+2xi6+xi76 40,i=1,2III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?0.487xi1+0.520 xi2+0.613xi3+0.720 xi4+0.487xi5+0.520 xi6+0.64
31、0 xi76 10.2,i=1,2AO?0.487xi5+0.520 xi6+0.64xi76 3.027i=1,28Imaxz=2Xi=10.487xi1+0.520 xi2+0.613xi3+0.720 xi4+0.487xi5+0.520 xi6+0.640 xi7III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?0.487xi1+0.520 xi2+0.613xi3+0.720 xi4+0.487xi5+0.520 xi6+0.640 xi76 10.2,i=1,2AO?0.487xi5+0.520 x
32、i6+0.64xi76 3.027i=1,28Imaxz=2Xi=10.487xi1+0.520 xi2+0.613xi3+0.720 xi4+0.487xi5+0.520 xi6+0.640 xi7III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?0.487xi1+0.520 xi2+0.613xi3+0.720 xi4+0.487xi5+0.520 xi6+0.640 xi76 10.2,i=1,2AO?0.487xi5+0.520 xi6+0.64xi76 3.027i=1,28Imaxz=2Xi=10.
33、487xi1+0.520 xi2+0.613xi3+0.720 xi4+0.487xi5+0.520 xi6+0.640 xi7III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?K)?C1flKIII?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy 5)?flK,?mko?I?yfi?o?L?o?z?)?LXe?12341571032368434362414210bz?U?F?o?)?pAX?”III?EEE?555555yyy?.?
34、555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?4?-xij=?1,?1 i?1 j?0KK8Iz=5x11+7x12+10 x13+3x14+3x21+6x22+8x23+4x24+4x31+3x32+6x33+2x34+x41+4x42+2x43+10 x44 maxIII?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyy?4?-xij=?1,?1 i?1 j?0KK8Iz=5x11+7x12+10 x13+3x14+3x21+6x22+8x23+4x24+4x31+3
35、x32+6x33+2x34+x41+4x42+2x43+10 x44 maxIII?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyz?4Xj=1xij=1i=1,2,3,4z?k?4Xi=1xij=1j=1,2,3,4III?EEE?555555yyy?.?555yyy?.?.?555555yyyflflflKKK)?555yyy0-1555yyyz?4Xj=1xij=1i=1,2,3,4z?k?4Xi=1xij=1j=1,2,3,4III?EEE?555555yyy?.?555yyy?.?5y?.?5y)?L?z?
36、flK?flK?eZ?z?I?K?e?3?X?Z?JLe?;.fX?5y?.III?EEE?555555yyy?.?555yyy?.?5y?.?5y)?L?z?flK?flK?eZ?z?I?K?e?3?X?Z?JLe?;.fX?5y?.III?EEE?555555yyy?.?555yyy?.1?flKAB1B2C1C2C3C4D1D2D3E5313687668353384322III?EEE?555555yyy?.?555yyy?.k?A?VgG?z?:?d?G?C?,?G?Jxk1 k?G?G?C?uk(xk)l xk?u?C?Dk(xk)1 k?k#N?8?G?=?xk+1=Tk(xk,u
37、k(xk)dk(xk,uk)lG?xk?u?uk=?G?xk+1?fk(xk)lG?xk?u?“:?III?EEE?555555yyy?.?555yyy?.k?A?VgG?z?:?d?G?C?,?G?Jxk1 k?G?G?C?uk(xk)l xk?u?C?Dk(xk)1 k?k#N?8?G?=?xk+1=Tk(xk,uk(xk)dk(xk,uk)lG?xk?u?uk=?G?xk+1?fk(xk)lG?xk?u?“:?III?EEE?555555yyy?.?555yyy?.?flK?5y?z?nb?LG?xko?l xk?“:?l xk?u?“:?k?III?EEE?555555yyy?.?55
38、5yyy?.?flK?5y?z?nb?LG?xko?l xk?“:?l xk?u?“:?k?III?EEE?555555yyy?.?555yyy?._S?l?c?:?“:?Z?d?:?“:?flK?5y?.8B?e4?“?(f5(x5)=0fk(xk)=minukdk(xk,uk(xk)+fk+1(uk(xk),k=4,3,2,1III?EEE?555555yyy?.?555yyy?._S?l?c?:?“:?Z?d?:?“:?flK?5y?.8B?e4?“?(f5(x5)=0fk(xk)=minukdk(xk,uk(xk)+fk+1(uk(xk),k=4,3,2,1III?EEE?555555
39、yyy?.?555yyy?.?l?mk=4f4(D1)=3,f4(D2)=2,f4(D3)=2?k=3k 4?G?Ci i=1,2,3,4.O?G?u?“:?f3(Ci)?f3(C1)=min?d(C1,D1)+f4(D1)d(C1,D2)+f4(D2)?=min?6+38+2?=9u3(C1)=D1?C1 D1 EIII?EEE?555555yyy?.?555yyy?.?l?mk=4f4(D1)=3,f4(D2)=2,f4(D3)=2?k=3k 4?G?Ci i=1,2,3,4.O?G?u?“:?f3(Ci)?f3(C1)=min?d(C1,D1)+f4(D1)d(C1,D2)+f4(D2)
40、min?6+38+2?=9u3(C1)=D1?C1 D1 EIII?EEE?555555yyy?.?555yyy?.f3(C2)=min?d(C2,D1)+f4(D1)d(C2,D2)+f4(D2)?=min?3+35+2?=6u3(C2)=D1?C2 D1 Ef3(C3)=min?d(C3,D2)+f4(D2)d(C3,D3)+f4(D3)?=min?3+23+2?=5u3(C3)=D2D3?C3 D2D3 EIII?EEE?555555yyy?.?555yyy?.f3(C4)=min?d(C4,D2)+f4(D2)d(C4,D3)+f4(D3)?=min?8+24+2?=6u3(C4)
41、D3?C4 D3 EIII?EEE?555555yyy?.?555yyy?.?k=2?k?G?z?G?k3?f2(B1)=mind(B1,C1)+f3(C1)d(B1,C2)+f3(C2)d(B1,C3)+f3(C3)=min1+93+66+5=9u2(B1)=C2?B1 C2 D1 EIII?EEE?555555yyy?.?555yyy?.f2(B2)=mind(B2,C2)+f3(C2)d(B2,C3)+f3(C3)d(B2,C4)+f3(C4)=min8+67+56+6=12u2(B2)=C3C4?B2 C3 D2D3 E?B2 C4 D3 EIII?EEE?555555yyy?.?5
42、55yyy?.?k=1?f1(A)=min?d(A,B1)+f2(B1)d(A,B2)+f2(B2)?=min?5+93+12?=14u1(A)=B1?A B1 C2 D1 E?14III?EEE?555555yyy?.?555yyy?.Bellman?5y?z?n?L?A?k5?L?G?X?cG?e?7L?III?EEE?555555yyy?.?555yyy?.Bellman?5y?z?n?L?A?k5?L?G?X?cG?e?7L?III?EEE?555555yyy?.?555yyy?.2w?5y?)?5yflK?f 2?C1flK?1?20?k?kn?$?9d?L?FT?gC1?d?AX?
43、C1”?d?134245356III?EEE?555555yyy?.?555yyy?.2w?5y?)?5yflK?f 2?C1flK?1?20?k?kn?$?9d?L?FT?gC1?d?AX?C1”?d?134245356III?EEE?555555yyy?.?555yyy?.?n?C1?O?x1,x2,x3?5y?.?maxG=4x1+5x2+6x3s.t.3x1+4x2+5x3 20 x1,x2,x3?.III?EEE?555555yyy?.?555yyy?.?n?C1?O?x1,x2,x3?5y?.?maxG=4x1+5x2+6x3s.t.3x1+4x2+5x3 20 x1,x2,x3?
44、III?EEE?555555yyy?.?555yyy?.A?5y?)?-G1=4x1 3x1 G2=4x1+5x2,3x1+4x2 G3=4x1+5x2+6x33x1+4x2+5x3?gk()=maxxkGk()K?g3(20)III?EEE?555555yyy?.?555yyy?.A?5y?)?-G1=4x1 3x1 G2=4x1+5x2,3x1+4x2 G3=4x1+5x2+6x33x1+4x2+5x3?gk()=maxxkGk()K?g3(20)III?EEE?555555yyy?.?555yyy?.k=3?e x3?Kd?C$?d?6x3+g2(20 5x3)?g3(20)=max0
45、 x3620/56x3+g2(20 5x3)=max0+g2(20),6+g2(15),12+g2(10),18+g2(5),24+g2(0)III?EEE?555555yyy?.?555yyy?.k=2?3 x3fi(?ee x2?Kd?C$?d?5x2+g1(4x2)?g2(0)=0g2(5)=max0 x25/45x2+g1(5 4x2)=max0+g1(5)4,5+g1(1)5III?EEE?555555yyy?.?555yyy?.g2(10)=max0 x210/45x2+g1(10 4x2)=max0+g1(10)12,5+g1(6)13,10+g1(2)10g2(15)=max0
46、g1(15)20,5+g1(11)17,10+g1(7)18,15+g1(3)19g2(20)=max0+g1(20)24,5+g1(16)25,10+g1(12)26,15+g1(8)23,20+g1(4)21,25+g1(0)25III?EEE?555555yyy?.?555yyy?.k=1?g1()=max0 x1/34x1=43=0,1,2,20g1()x1()g1()x1()0-20012-141643-54115-172056-88218-202469-11123III?EEE?555555yyy?.?555yyy?.l?kg2()x2()551101311520020262III?EEE?555555yyy?.?555yyy?.g3(20)=max0+2626,6+2026,12+1325,18+523,2424=26x3=01?)?x1=4x2=2x3=0 x1=5x2=0 x3=1?C1d?G=26III?EEE?






