Purchase Solution

Showing a matrix is totally unimodular.

Not what you're looking for?

Ask Custom Question

This problem was a sample exam question taken from a text book. This problem is about showing a matrix is TU.

This problem can be found in the Wolsey text book called "Integer Programming".

A useful resource is "Integer and Combinatorial optimization" by Wolsey and Nemhauser.

Attachments
Purchase this Solution

Solution Summary

A matrix is shown to be totally unimodular. Integer and combinatorial optimization as useful information is determined.

Solution Preview

Dear Friend,

According to the Theorem 2.7 in page 542 of the book "Integer and Combinatorial optimization":

A is a TU matrix if there exists a partition of columns of the matrix to J1 and J2 such that on each row the difference between the sum of the element of J1 and J2 is less or equal to 1.
According to ...

Purchase this Solution


Free BrainMass Quizzes
Probability Quiz

Some questions on probability

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.