commit 5975eb3cadddfda395cc99faabba20fdd478a7f7 Author: RobertBendun Date: Sun Feb 27 16:35:57 2022 +0100 Zajęcia 1: Liczby zespolone diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..8164e02 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +*.log +*.aux +*.pdf diff --git a/trygonometria-liczby-zespolone.tex b/trygonometria-liczby-zespolone.tex new file mode 100644 index 0000000..f8f340c --- /dev/null +++ b/trygonometria-liczby-zespolone.tex @@ -0,0 +1,52 @@ +\documentclass[a5paper,10pt]{article} +\usepackage{pl} +\usepackage[margin=1cm]{geometry} +\usepackage{amsmath} +\usepackage{amsfonts} +\usepackage[utf8]{inputenc} +\usepackage{polski} + +\title{Trygonometria i liczby zespolone \\ + \large Algorytmy kwantowe} +\date{2021-02-27} +\author{Robert Bendun} + +\newcommand{\mi}{\mathrm{i}} + +\begin{document} + +\maketitle + +\section{Trygonometria} + +\section{Liczby zespolone} + +\subsection{Postać algebraiczna} +\begin{description} + \item $ \alpha \pm \beta = \left( a + b\mi \right) \pm \left( c + d\mi \right) + = \left( a \pm c \right) + \left( b \pm d \right)\mi$ + \item $ \alpha\beta = \left( a + b\mi \right) \left( c + d\mi \right) + = \left( ac - bd \right) + \left( bc + ad \right)\mi$ + \item $ \frac{\alpha}{\beta} = \frac{a + b\mi}{c + d\mi} = \frac{(ac + bd) + (bc - ad)\mi}{c^2 + d^2} $ + \item[Norma] $ |\alpha| = |a + b\mi| = \sqrt{a^2 + b^2} $ + \item[Sprzężenie] $ \overline{a + \mi b} = a - b\mi $ + \item $ \alpha\overline{\alpha} = (a + b\mi)(a - b\mi) = a^2 + b^2 = |\alpha|^2 $ +\end{description} + +\subsection{Postać trygonometryczna} + +$$ z = a + b\mi = |z|(\cos\rho + \mi\sin\rho) $$ + +\begin{description} + +\item $ xy = |x|(\cos \alpha + \mi\sin\alpha) \times |y|(\cos \beta + \mi\sin\beta) = + |x||y|\left[\cos(\alpha + \beta) + \mi\sin(\alpha+\beta)\right]$ + +\item[Wzór de Moivre'a] $ z^n = |z|^n\left(\cos(n\rho) + \mi\sin(n\rho)\right) $ + +\item[Pierwiastki] $ \sqrt[n]{ z } = \left\{ \sqrt[n]{|z|} \left(\cos \frac{\rho + 2k\pi}{n} + \mi\sin \frac{\rho + 2k\pi}{n} \right) \mid k = 0, 1, 2, ..., n-1 \right\} $ + +\end{description} + + +\end{document}