This paper introduces the use of an activity adjacency matrix in the critical path method to avoid the confusion created by converting the project into its network representation, particularly in performing the cost time trade-offs. A set of APL code was developed to illustrate this point.
/lp/association-for-computing-machinery/the-role-of-the-activity-adjacency-matrix-in-the-critical-path-method-PJhcWpJ0nB