Mathematical modeling Algorithm (i): Linear programming

1. (DVD

Formula

Code

MODEL:SETS:CN/c1. C1000/: B;dn/d1. D100/:D Vnum; LINKS (CN,DN): sati,x; Endsetsdata:sati,dvnum[Email protected] ('D:\LINGO\DATA\b2005table2.xlsx'); @OLE ('D:\LINGO\DATA\b2005table2.xlsx','X','B')=x,b; @TEXT ()=@STATUS (); Enddatasa=@SUM (LINKS (i,j): @IF (Sati (i,j) #EQ #0,0,1) *x (i,j) * ( One-Sati (i,j)); NUM=@SUM (CN (i): B (i)); MAX=SA; @FOR (LINKS (i,j): @BIN (X (i,j)), @FOR (CN (i): @BIN (B (i))), @FOR (DN (J): @SUM (CN (i): X (i,j))<=Dvnum (j)); @FOR (CN (I): @SUM (DN (j): X (i,j))<=b (I) *3); END

2.

MODEL:SETS:CN/c1. C1000/: A;dn/d1. D100/: NUM; LINKS (CN,DN): sati,y; Endsetsdata:sati[Email protected] ('D:\LINGO\DATA\b2005table3.xlsx'); @OLE ('D:\LINGO\DATA\b2005table3.xlsx','Y','A','NUM')=Y,a,num; Enddatasa=@SUM (LINKS (i,j): @IF (Sati (i,j) #EQ #0,0,1) *y (i,j) * ( One-Sati (i,j)); MAX=SA; @FOR (LINKS (i,j): @BIN (Y (I,J))), @FOR (CN (i): @BIN (A (i))), @SUM (CN (i): A (i))=950; @FOR (CN (I): @SUM (DN (J): Y (i,j))=a (I) *3); @FOR (DN (J): NUM=@SUM (CN (I): Y (I,J))); END

3. (2014D Graduate

MODEL:SETS:ZN/z1.  z23/:x; !23 species; YN/y1.  Y20/:cont,eat,limit; !20 kinds; DN/d1.  d16/; !16 regions; Pinks (ZN,DN):P ri; LINKS (Zn,yn): NUTR; Endsetsdata:nutr,pri,cont,limit[Email protected] ('D:\LINGO\DATA\YAN2014E_3.xlsx'); N= the; @OLE ('D:\LINGO\DATA\YAN2014E_3.xlsx', x_15,eat_15) =x,eat; Enddatasa[Email protected] (ZN (I):P ri (i,n) *X (I)); MIN=SA; @FOR (YN (j): EAT (j)[Email protected] (ZN (I): @IF (PRI (i,n) #EQ #100000,0,1) *nutr (I,J) *X (I))); @FOR (YN (j): EAT (j)>=CONT (j) ); @FOR (YN (j): EAT (J )<LIMIT (J)); END

Mathematical modeling Algorithm (i): Linear programming