xpress_linear_programming_quickstart_two_variables_constraints.py

1import xpress as xp
2
3# Create a problem object
4p = xp.problem()
5
6# Create two variables
7x = xp.var(name='x', lb=0, ub=10)
8y = xp.var(name='y', vartype=xp.integer)
9
10# Add variables to the problem
11p.addVariable(x, y)
12
13# Set objective function: maximize x + 2y
14p.setObjective(x + 2*y, sense=xp.maximize)
15
16# Add constraints
17p.addConstraint(x + y <= 10)
18p.addConstraint(3*x + y <= 15)
19
20# Solve the problem
21p.solve()
22
23# Print the solution
24print("Solution status:", p.getProbStatusString())
25print("Solution: x =", p.getSolution(x), ", y =", p.getSolution(y))
26print("Objective value:", p.getObjVal())