Skip to main content

Questions tagged [integer-variable]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
1 answer
115 views

How to model the following Constraint

I would like to model the following: $B \le \alpha \implies \sum_i W(i) \ge \beta$, where $B$ a continuous variable, $W(i)$ binary variables, $\alpha$ a real constant number, $\beta$ an integer ...
Clement's user avatar
  • 2,252
0 votes
2 answers
242 views

How to identify constraints that make problem not solvable in polynomial time?

I am reading this paper, available for free viewing, which contains an example of job shop scheduling, shown below. The details of the variable definitions, etc., can be found in the paper, but it's ...
somewhere's user avatar
0 votes
1 answer
160 views

Using binary variable or integer variable in Constraint Programming (CP)?

I am trying to solve an assignment problem by Constraint Programming (CP). Let us consider a task assignment problem that have $|M|$ tasks and $|N|$ machines, each task has different processing time ...
Penghui Guo's user avatar