The Blog of Florian Dahms

A Blog about Mathematics, Optimization, Coding and More

Easy Column Generation With AMoRs GCG Interface

Applying advanced optimization methods like column generation can be rather difficult due to the complexity involved in implementing such an algorithm. The GCG (generic column generation) project, which is developed in cooperation of ZIB and our chair

Posted on November 12th, 2014

Impressions from WebSummit 2014

I am currently in Dublin on the WebSummit 2014 (a huge 22.000 participants tech conference) with our Hamburg based startup ShelfSailor. This will be a little off topic from my other articles - but nevertheless you might find something useful among...

Posted on November 4th, 2014

The Making Of the OR 2014 Schedule - Part 1

This years OR 2014, the annual conference of the German Operations Research society, was hosted by our university, the RWTH Aachen during the first week of September. If you came to visit, I hope you had a wonderful time. One part of the entire conference...

Posted on October 31st, 2014

Meet AMoR, the Modeling Language I Created in Only One Day

I have created a modeling language for linear and integer programming. You may wonder why I did that, because there are already some out there (AIMMS, AMPL, GAMS and ZIMPL to name a few). The first answer is: because I could. Seriously - if you knew...

Posted on October 25th, 2014

How to Analyze Historical Stock Data with Ruby

First of all I want to thank you for all the positive feedback I got on the last article. It is wonderful to know that I have such an awesome readership in you! Now to todays topic: I want to share how I gathered the data for the last article. There...

Posted on October 23rd, 2014

Why You Should Not Think of the Stock Market as Unsafe

A very common view of the stock market is that of a very risky, volatile place, more resembling a casino than being a proper place where you should put your money. Especially the two stock market crashes of the 2000s have done a lot to increase doubt...

Posted on October 19th, 2014