#ATTENDANCE QUIZ FOR LECTURE 3 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p3
#with an attachment called
#p3FirstLast.txt
#(e.g. p3DoronZeilberger.txt)

#Right after finishing watching the lecture but no later than Sept. 14, 2020, 8:00pm


Q1. THE FIRST ATTENDANCE QUESTION WAS:

What is a derangement?


A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:

In combinatorial mathematics, a derangement is a permutation of the elements of a set, such that no element appears in its original position.

Source: Wikipedia



Q2. THE  SECOND ATTENDANCE QUESTION WAS:

Give two examples of WtoS and StoW

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:

WtoS([1,0,0,0,0,1,0,1]);
{1, 6, 8}
WtoS([1,0,1,1,1,0,1,0,1,0,0,0,0,1]);
{1, 3, 4, 5, 7, 9, 14}


StoW({1, 6, 8},8);
[1, 0, 0, 0, 0, 1, 0, 1]
StoW({1, 3, 4, 5, 7, 9, 14},14);
[1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1]



Q3. THE  THIRD ATTENDANCE QUESTION WAS: There was no third attendance question.


A3. MY ANSWER TO THE  THIRD ATTENDANCE QUESTION IS: