MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   nbsp This is scary Note that is in an idle state nothing compiling running or debugging at the moment Soon we all need GB of RAM

   The GAMS documentation mentions f nr standard notation and f nr scientific notation for formatting numeric items using the PUT statement There are however a few more Here we print values using different formats f nr f nr f nr f nr

   It is always a good idea to revisit existing GAMS code and see if we can improve it Here is an example of an actual model The problem is that we want to set up a mapping set between two sets based on the first two characters If they are the same the pair should be added to the mapping The old

   In an excellent tutorial is presented about the process of making maps It is a little bit dated so here I develop some Windows based scripts that make it possible to follow these tutorials The goal is two fold Make things work for Windows I am comfortable with the Unix command line but

   In a user tries the following constraint mdl addConstrs t i k X i j k te i lt gt gt z i k for i j k in arcos if i and i t and X and variables This is not accepted and the following error message is issued AttributeError gurobipy QuadExpr object has

   This is somewhat hard to find although I did so I share it This is the original paper describing the SLSQP solver used in scipy To download use the menu button at the bottom and choose Download a Copy ReferencesKraft D A software package for sequential

   In a large network it is a bit of a pain to visualize the flow Here is an attempt to show the shortest path in a random sparse directed graph The shortest path is of course a min cost flow of one unit I used cytoscape js to generate the picture A colleague asked the question of whether we

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   Can we call a heuristic especially a meta heuristic a solver I am not so sure Warning this is somewhat of an opinionated rant Many of you may not agree The name solver seems to imply that the underlying algorithm knows when an optimization problem is solved By that I mean it can stop at

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   JSON JavaScript Object Notation files provide a flexible and simple way to store and exchange data It is text so we can easily look at it JSON files typically have the extension json using it may help syntax coloring in editors JSON can represent rather complex tree like data

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   Here is a presentation for a GAMS workshop We focus on the Shortest Path LP problem I use this model to discuss a lot of different things Modeling networks in GAMSSparse data structures in GAMSRandom number generationPython and GAMSPut facilityVisualization Python and HTML Javascript based

   trnsport gms is the first model in the GAMS model library Here I am using it to give an introduction in GAMS The PowerPoint presentation has three major sections the historical importance of the transportation model in economics Nobel prizes have been earned a quick introduction to the GAMS

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background

   MathJax Hub Config CommonHTML scale table xyz table layout fixed border collapse collapse margin left auto margin right auto table xyz th table xyz td border px solid black table blueTable border px solid C EA background