From 6bf4b90c90f15f4ab60833bddf5b5756d1a6b1f6 Mon Sep 17 00:00:00 2001 From: Elizabeth Alexander Hunt Date: Thu, 2 Jul 2026 11:55:17 -0700 Subject: Init --- Homework/cs5000/hw07/hw07.tex | 88 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 Homework/cs5000/hw07/hw07.tex (limited to 'Homework/cs5000/hw07/hw07.tex') diff --git a/Homework/cs5000/hw07/hw07.tex b/Homework/cs5000/hw07/hw07.tex new file mode 100644 index 0000000..53c92bd --- /dev/null +++ b/Homework/cs5000/hw07/hw07.tex @@ -0,0 +1,88 @@ +% Created 2023-11-04 Sat 18:02 +% Intended LaTeX compiler: pdflatex +\documentclass[11pt]{article} +\usepackage[utf8]{inputenc} +\usepackage[T1]{fontenc} +\usepackage{graphicx} +\usepackage{longtable} +\usepackage{wrapfig} +\usepackage{rotating} +\usepackage[normalem]{ulem} +\usepackage{amsmath} +\usepackage{amssymb} +\usepackage{capt-of} +\usepackage{hyperref} +\notindent \notag \usepackage{amsmath} \usepackage[a4paper,margin=1in,portrait]{geometry} +\author{Elizabeth Hunt (A02364151)} +\date{\today} +\title{HW 07} +\hypersetup{ + pdfauthor={Elizabeth Hunt (A02364151)}, + pdftitle={HW 07}, + pdfkeywords={}, + pdfsubject={}, + pdfcreator={Emacs 28.2 (Org mode 9.7-pre)}, + pdflang={English}} +\begin{document} + +\maketitle +\setlength\parindent{20pt} + +\section{Problem One} +\label{sec:orgd2348b9} + +\begin{verbatim} +1. [A1] Y <- Y - 1 +2. IF Y != 0 GOTO A +3. [B1] IF X1 != 0 GOTO C +4. GOTO E +5. [C1] X1 <- X1 - 1 +6. Y <- Y + 1 +7. Y <- Y + 1 +8. Y <- Y + 1 +9. GOTO B1 +\end{verbatim} + +\section{Problem Two} +\label{sec:org07c7432} +\begin{enumerate} +\item \((1, \sigma) | \sigma = \{X_1 = 2, Y = 0, Z_1 = 0\}\) +\item \((4, \sigma) | \sigma = \{X_1 = 2, Y = 0, Z_1 = 0\}\) +\item \((5, \sigma) | \sigma = \{X_1 = 1, Y = 0, Z_1 = 0\}\) +\item \((6, \sigma) | \sigma = \{X_1 = 1, Y = 1, Z_1 = 0\}\) +\item \((7, \sigma) | \sigma = \{X_1 = 1, Y = 1, Z_1 = 1\}\) +\item \((1, \sigma) | \sigma = \{X_1 = 1, Y = 1, Z_1 = 1\}\) +\item \((4, \sigma) | \sigma = \{X_1 = 1, Y = 1, Z_1 = 1\}\) +\item \((5, \sigma) | \sigma = \{X_1 = 0, Y = 1, Z_1 = 1\}\) +\item \((6, \sigma) | \sigma = \{X_1 = 0, Y = 2, Z_1 = 1\}\) +\item \((7, \sigma) | \sigma = \{X_1 = 0, Y = 2, Z_1 = 2\}\) +\item \((1, \sigma) | \sigma = \{X_1 = 0, Y = 2, Z_1 = 2\}\) +\item \((2, \sigma) | \sigma = \{X_1 = 0, Y = 2, Z_1 = 2\}\) +\item \((3, \sigma) | \sigma = \{X_1 = 0, Y = 2, Z_1 = 3\}\) +\item \((8, \sigma) | \sigma = \{X_1 = 0, Y = 2, Z_1 = 3\}\) +\end{enumerate} + +\section{Problem Three} +\label{sec:orgf9c18d1} +\begin{verbatim} +1. [A1] Y <- Y +2. Y <- Y +3. Y <- Y +4. Y <- Y +5. Y <- Y +6. GOTO E +\end{verbatim} + +\section{Problem Four} +\label{sec:org49ea029} +Let \(P\) be a program in \(L\) that computes \(g(x_1, x_2, \cdots, x_n)\); a list of instructions \([I_1, I_2, \cdots, I_k]\), +where \(I_1\) is the first instruction and \(I_k\) the last. + +Then, define \(P^i | i \in N\) to be a new program such that each instruction \(I_n\) replaces \(I_{n+i}\) (when \(n=0\) +we perform no operation), appending +to the end of the instruction list if necessary. We then replace the sublist \([I_1, \cdots, I_i]\) with +\([Y \leftarrow Y]^i\) in the program \(P\). As \(Y \leftarrow Y\) produces no side effects then \(P^i\) still computes \(g\). + +Finally, for all \(i \in N\) the length of \(P^i\) is greater than \(k\) and thus there are countably infinitely +many \(L\) -programs to compute \(g\). +\end{document} \ No newline at end of file -- cgit v1.3