Cplex write lp file

Connect and share knowledge within a single location that is structured and easy to search. I have an lp file and should solve it. This is cplex.

You will find something similar on other systems like Linux or MacOS. This lets you read, solve and write out your solution using the commands 'read', 'opt' and 'write' like this:. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Ask Question. This model type uses the backend MathOptInterface to do all the transformations by only accepting a "standard LP construct". However due to it being a user defined model the exporting is a bit more incovinient as we got to convert it first into a model type MathOptInterface defined. You can also read in existing files you then can copy to into a model instance of MyStandardFormFunctionConstraints and then copy that one in a new MOI.

Model and write that to disk. If you wanted to do batch processing i would recommend looping over the files in Julia so you only have to pay the compilation overhead once and not per file. If you want to use that Mixed-Integer problems MyStandardFormFunctionConstraints would need to be declared to also support those and an appropiate output format that also supports would need to be chosen.

Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? One potential area for confusion occurs when a maximization problem is saved.

When you read and optimize this new problem, the values of the variables will be valid for the original model. However, since the problem has been converted from a maximization to the equivalent minimization, the objective, dual, and reduced-cost values will have reversed signs. MPS, Mathematical Programming System, an industry-standard format based on ASCII-text has historically been restricted to a fixed format in which data fields were limited to eight characters and specific fields had to appear in specific columns on specific lines.

It runs from the operating system prompt of your platform. Here is the syntax of the convert utility:. Your command must include an input-file name and an output-file name; they must be different from each other.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Asked 2 years, 5 months ago. Active 2 years, 5 months ago. Viewed times. Cplex "MyProblem. Improve this question.