Depth-first search. Depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. One starts at the root (selecting some arbitrary node as the root in the case of a graph) and explores as far as possible along each branch before backtracking.
Derivative classification is: the incorporating, paraphrasing, restating, or generating in new form information that is already classified and the marking of the new material consistent with the classification of the source material, or the marking of the information in accordance with an authorized classification guide.
The definition of the derivative involves the operation of taking a limit. In this lesson we look at how to evaluate limits in those cases where the limit problem is a derivative in disguise. Limits As Disguised Derivatives At the masquerade party you want to ask your friend Deriv for the details of his favorite cooking recipe.