Fully manual version of my schedule generator that requires input of all information for all relevant sections
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Latest commit e3c4509 Jul 23, 2018


Custom Manual Schedule Generator

Fully manual version of my schedule generator that requires the user to input all information for all sections and courses.

What It Is

Our app accepts as many courses as a student may want to take along with all the offered sections of each course. Then, with our algorithm, generates all possible non-conflicting schedules.

Where It Is

Right now it is available at http://mikedombrowski.com/sched/.

Run Your Own

  1. Clone this repository
  2. Install dependencies using composer. php composer.phar install or composer install
  3. Edit config.php and change the SUBDIR constant to reflect your installation location

PHP API Documentation

Available at https://MikeDombo.github.io/Schedule-Generator-PHP/html/index.html

Theory of Operation

The new algorithm implemented by commit 48b40fe is the Bron-Kerbosch maximal clique finding algorithm. I realized that the scheduling program could be thought of as a graph where vertices represent a section of a class and edges exist between vertices that are compatible (can be taken together).

Representing the problem as a graph means that possible non-conflicting schedules are maximal cliques. Therefore, to find all possible schedules, I implemented the Bron-Kerbosch maximal clique finding algorithm. This does run faster than my old algorithm and generates fewer total schedules because the old algorithm generated some schedules that were included in larger ones (sub-graphs).

Old Theory of Operation

Our algorithm is essentially a recursive tree, which is explained more in the image below. Theory of Operation