Add a new general constraint of type GRB.GENCONSTR_MAX to a model.
A MAX constraint states that the resultant variable should be equal to the maximum of the operand variables and the constant .
resvar: The resultant variable of the new constraint.
vars: Array of variables that are the operands of the new constraint.
constant: The additional constant operand of the new constraint.
name: Name for the new general constraint.
New general constraint.