def add_variables(self, variables, variable_types,
obj_coeff, variable_names, variable_ranges):
assert all((v not in self._variable_idx for v in variables))
if not variable_names:
variable_names = [ util.fmt_var(v) for v in variables ]
else:
assert len(variable_names) == len(variables)
if not variable_ranges:
variable_lb = []
variable_ub = []
else:
assert len(variable_ranges) == len(variables)
variable_lb = [ r[0] for r in variable_ranges ]
variable_ub = [ r[1] for r in variable_ranges ]
[ self._variable_idx[v] for v in variables ]
self._c.variables.add(obj= obj_coeff,
types= [ CplexSolver.TYPE_MAPPING[vt] for vt in variable_types ],
lb= variable_lb,
ub= variable_ub,
names= variable_names)
return None
def add_variables(self, variables, variable_types,
obj_coeff, variable_names, variable_ranges):
assert all((v not in self._variable_idx for v in variables))
if not variable_names:
variable_names = [ util.fmt_var(v) for v in variables ]
else:
assert len(variable_names) == len(variables)
if not variable_ranges:
variable_lb = [ 0.0 ] * len(variables)
variable_ub = [ gurobipy.GRB.INFINITY ] * len(variables)
else:
assert len(variable_ranges) == len(variables)
variable_lb = [ r[0] for r in variable_ranges ]
variable_ub = [ r[1] for r in variable_ranges ]
for i,v in enumerate(variables):
self._variable_idx[v] = self._m.addVar(
lb= variable_lb[i],
ub= variable_ub[i],
vtype= GurobiSolver.TYPE_MAPPING[variable_types[i]],
name= variable_names[i])
if obj_coeff[i] > 0.0 or obj_coeff[i] < 0.0:
self._objs.append((obj_coeff[i], self._variable_idx[v]))
self._m.update()
return None