Tuesday, 1 November 2011

D1 Critical path analysis 01/11/11

  • Precedence/dependence tables
  • Drawing network from precedence table
  • Early and late event times
  • Slack on events
  • Float on activities
  • Critical activities
  • Critical path
  • Cascade (Gannt) chart

Tuesday, 18 October 2011

D1 Matchings 18/10/11

  • Reminder of bipartite graphs
  • Matchings - trivial, maximal, complete
  • Alternating paths to improve matchings
  • Exam questions involving matchings

Tuesday, 4 October 2011

D1 Route inspection 04/10/11

  • Reminder of traversable (Eulerian) and semi-traversable (semi-Eulerian) graphs
  • The route inspection problem
  • Examples of using the route inspection problem

Tuesday, 27 September 2011

Tuesday, 20 September 2011

D1 More graphs 20/09/11

  • Digraphs (directed graphs)
  • Modelling situations with graphs
  • Moving around graphs
  • Defining path, cycle, tree
  • Traversing graphs - Eulerian & Semi-Eulerian graphs
  • Odd/even vertices

Tuesday, 13 September 2011

D1 Introduction to graphs 13/09/11

  • Defining terms relating to graphs
  • - nodes, vertices, arcs, edges, isomorphic, connected, disconnected, complete
  • - subgraph, loops, multiple edges, bipartite, complete bipartite, degrees
  • Relationship between edges and sum of degrees
  • Describing a graph using a vertex set and edge set
  • Describing a graph using an adjacency matrix
  • Network (weighted graph) and distance matrix