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Nathan Brixius
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Blog Post:
Optimization modeling using Solver Foundation and Sho
Nate Brixius
Two days ago, my boss's boss's boss's boss's boss's boss Soma announced the launch of several Technical Computing projects on Dev Labs. One of these projects, Sho , is an Iron Python-based environment for doing math, stats, optimization, and the like. Sho’s optimization libraries are powered by...
on
28 Jan 2011
Blog Post:
Mailbag: Contiguity constraints for project scheduling models
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
22 Jan 2011
Blog Post:
Quadratic Assignment Problems for Bartenders
Nate Brixius
Thanks for visiting! I'm in the process of moving my blog, and I am starting with my most popular posts. A revised version of this post can be found here .
on
12 Jan 2011
Blog Post:
Project scheduling and Solver Foundation revisited, Part IV
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
10 Jan 2011
Blog Post:
Project scheduling and Solver Foundation revisited, Part III
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
20 Dec 2010
Blog Post:
Project scheduling and Solver Foundation revisited, Part II
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
9 Dec 2010
Blog Post:
Project scheduling and Solver Foundation revisited, Part I
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
16 Nov 2010
Blog Post:
INFORMS trip report
Nate Brixius
(As always, this post reflects my own views and not necessarily those of Microsoft.) I recently returned from the INFORMS conference on operations research in Austin, Texas. INFORMS is the most popular professional organization relating to the theory and practice of operations research - which includes...
on
9 Nov 2010
Blog Post:
A fun math problem
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
29 Sep 2010
Blog Post:
The rumored Big Ten realignment is extremely fair...and I can prove it.
Nate Brixius
Thanks for visiting! I'm in the process of moving my blog, and I am starting with my most popular posts. An updated version of this post can be found here .
on
1 Sep 2010
Blog Post:
Optimal Big Ten realignment using operations research
Nate Brixius
Thanks for visiting! I'm in the process of moving my blog, and I am starting with my most popular posts. An updated version of this post can be found here .
on
31 Aug 2010
Blog Post:
How to retrieve dual values using Solver Foundation Services
Nate Brixius
Dual values, or shadow prices , represent the marginal utility of relaxing a constraint. They are often used during the post-solve analysis of an optimization model. If you solve a linear or mixed integer model using a solver class such as SimplexSolver, you can get the dual values from the solver solution...
on
29 Aug 2010
Blog Post:
Planning office moves with Solver Foundation: Part V
Nate Brixius
This blog has moved. Click here to view an updated version of this post.
on
23 Aug 2010
Blog Post:
Using Solver Foundation to get a job at Facebook
Nate Brixius
Thanks for visiting! I'm in the process of moving my blog, and I am starting with my most popular posts. A revised version of this post can be found here .
on
13 Aug 2010
Blog Post:
Seminar scheduling with OML
Nate Brixius
Thanks for visiting! I'm in the process of moving my blog, and I am starting with my most popular posts. A revised version of this post can be found here .
on
13 Aug 2010
Blog Post:
Planning office moves with Solver Foundation: Part IV
Nate Brixius
I have moved my blog. An updated version of this post is located here.
on
9 Aug 2010
Blog Post:
Quadratic assignment problems: bounds
Nate Brixius
Thanks for visiting! I have moved my blog. An updated version of this post can be found here.
on
21 Jul 2010
Blog Post:
Traveling Salesman Problems using Solver Foundation: C# code
Nate Brixius
This post has been updated. Click here to read it.
on
26 Apr 2010
Blog Post:
Solver Foundation team blog
Nate Brixius
The Solver Foundation team now has an official MSDN blog . The URL is http://blogs.msdn.com/solverfoundation/ . The team will be posting additional samples, pointers, and information of interest to the Solver Foundation community. I will be posting there occasionally too!
on
30 Mar 2010
Blog Post:
Solver Foundation 2.1 Preview
Nate Brixius
The team has been hard at work on the next version of Solver Foundation . Here are some early details. We hope to release 2.1 later this spring and we'll be updating all the SKUs, including the brand new Academic version available on MSDNAA . Our focus for this release is on improving the development...
on
11 Mar 2010
Blog Post:
Academic License for Solver Foundation
Nate Brixius
Microsoft Solver Foundation is now available for professors, students, and researchers through the MSDN Academic Alliance site. If your academic institution has a Developer AA subscription then you will be able to download the unthrottled Enterprise edition of Solver Foundation (and tons of other stuff...
on
9 Mar 2010
Blog Post:
Internship opportunity on the Solver Foundation Team
Nate Brixius
UPDATE 4/28/2010: We are no longer seeking new applicants for the position. Perhaps next summer! The Solver Foundation team is looking for an intern for this summmer! A short description is below – this is a software development position, where the focus is on practical application of numerical optimization...
on
8 Mar 2010
Blog Post:
Building large models using Solver Foundation Services
Nate Brixius
In a previous post I wrote about the Term class and its use in building Solver Foundation models. Now I'd like to explore the use of Term in large models. It's also an opportunity to put into practice some of the things I talked about in my " writing high performance code " post. Terms are the building...
on
5 Mar 2010
Blog Post:
Podcast: Solver Foundation and units of measure in F#
Nate Brixius
If you dig F# , or you dig Solver Foundation, or if you dig cool things, then you should check out this presentation by Anton Schwaighofer. Anton works in Microsoft Research and was instrumental in getting "units of measure" support into Solver Foundation. The presentation covers units of measure in...
on
13 Jan 2010
Blog Post:
Using the Term class to build models in Solver Foundation
Nate Brixius
I'd like to spend the next couple posts on "everyday" use of Solver Foundation Services for model building. In many models it is necessary to build up goals and constraints programmatically. In Solver Foundation this is done using the Term class. At first, trying to figure out how to do this can be tricky...
on
6 Jan 2010
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