BUSMGT 2321 Lecture Notes - Lecture 7: X87, Avail

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In - out = 0 ; in = out i. i. i. In transportation, # dv = # origin x # destination. # constraints = # origin + # destination. Go through the 4 questions after drawing the model. Obf: 3x14 + 2x15 + 7x16 + 6x17 + 7x24 + 5x25 + Constratints: 2 types, supply and demand - 7 of them. Cleve -> x14 + x15 + x16 + x17 < 5000. Bed -> x24 + x25 + x26 + x27 < 6000. York -> x34 + x35 + x36 + x37 < 2500. Boston: x14 + x24 + x34 > 6000. Chicago: x15 = x25 + x35 > 4000. St l: x16 + x26 + x36 > 2000. Lex: x17 + x27 + x37 > 1500. In a balanced system, you could write these as equals. If couldn"t ship from cleve to boston, make a constraint saying: x14 = 0. Cleve: x14 + x18 + x19 < 5000.

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