$title Mixed integer linear programming model for optimal allocation of Emergency Centres

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For more details please refer to Chapter 2 (Gcode2.5), of the following book:
Soroudi, Alireza. Power System Optimization Modeling in GAMS. Springer, 2017.
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Model type: MIP
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Contributed by
Dr. Alireza Soroudi
IEEE Senior Member
email: alireza.soroudi@gmail.com
We do request that publications derived from the use of the developed GAMS code
explicitly acknowledge that fact by citing
Soroudi, Alireza. Power System Optimization Modeling in GAMS. Springer, 2017.
DOI: doi.org/10.1007/978-3-319-62350-4
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Binary Variable x1, x2, x3, x4, x5, x6;
Variable of;
Equation eq1, eq2, eq3, eq4, eq5, eq6, eq7;

eq1.. x1                    + x6  =g= 1;
eq2..      x2                     =g= 1;
eq3..           x3      + x5      =g= 1;
eq4..                x4 + x5      =g= 1;
eq5..           x3 + x4 + x5 + x6 =g= 1;
eq6.. x1                + x5 + x6 =g= 1;
eq7.. x1 + x2 + x3 + x4 + x5 + x6 =e= of;

Model emergency / all /;
solve emergency using mip minimizing of;