X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=examples.tex;h=e11815ef7856b47f0dd5cb0e775c3272caeec427;hp=dde74d0f6997418a8ab283ee1f6fb53452f6a6bf;hb=71dc84ac39e0dc87daf64fe61d7523e33711dc34;hpb=8f3a3f952b0e5bd692b9b41d1417c877b0e0425e diff --git a/examples.tex b/examples.tex index dde74d0..e11815e 100644 --- a/examples.tex +++ b/examples.tex @@ -112,6 +112,7 @@ \begin{equation*} \directsummany{k=1}{\infty}{V_{k}} \ne \cartprodmany{k=1}{\infty}{V_{k}}. \end{equation*} + % Here are a few common tuple spaces that should not have a superscript when that superscript would be one: $\Nn[1]$, $\Zn[1]$, $\Qn[1]$, $\Rn[1]$, $\Cn[1]$. However, if the @@ -130,7 +131,7 @@ \begin{equation*} \unionmany{k=1}{\infty}{A_{k}} = \intersectmany{k=1}{\infty}{B_{k}} \end{equation*} - + % Finally, we have the four standard types of intervals in $\Rn[1]$, % \begin{align*} @@ -171,7 +172,14 @@ \end{section} \begin{section}{Font} - We can write things like Carathéodory and Güler and $\mathbb{R}$. + We can write things like Carathéodory and Güler and + $\mathbb{R}$. The PostScript Zapf Chancery font is also available + in both upper- and lower-case: + % + \begin{itemize} + \begin{item}$\mathpzc{abcdefghijklmnopqrstuvwxyz}$\end{item} + \begin{item}$\mathpzc{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$\end{item} + \end{itemize} \end{section} \begin{section}{Linear algebra} @@ -183,7 +191,11 @@ $\transpose{L}$. Its trace is $\trace{L}$. Another matrix-specific concept is the Moore-Penrose pseudoinverse of $L$, denoted by $\pseudoinverse{L}$. Finally, the rank of a matrix $L$ is - $\rank{L}$. + $\rank{L}$. As far as matrix spaces go, we have the $n$-by-$n$ + real-symmetric and complex-Hermitian matrices $\Sn$ and $\Hn$ + respectively; however $\Sn[1]$ and $\Hn[1]$ do not automatically + simplify because the ``$n$'' does not indicate the arity of a + Cartesian product in this case. The span of a set $X$ is $\spanof{X}$, and its codimension is $\codim{X}$. The projection of $X$ onto $V$ is $\proj{V}{X}$. The @@ -249,11 +261,6 @@ system to test them. \end{section} - \begin{section}{Miscellaneous} - The cardinality of the set $X \coloneqq \set{1,2,3}$ is $\card{X} - = 3$. - \end{section} - \begin{section}{Proof by cases} \begin{proposition} @@ -300,6 +307,11 @@ \renewcommand{\baselinestretch}{1} \end{section} + \begin{section}{Set theory} + The cardinality of the set $X \coloneqq \set{1,2,3}$ is $\card{X} + = 3$, and its powerset is $\powerset{X}$. + \end{section} + \begin{section}{Theorems} \begin{corollary} The