University:
Amherst College
Course:
MATH 220 | Mathematical Reasoning and Proof
Academic year:

2020
Views:

213

Pages:

16
Author:

nerdzrkoolh2o

Some Tips and Tricks for Using LaTeX in Math Theses How to Use the files samplethesis.tex, thesis.tex, and latextips.tex WARNING!!!! This document (latextips.tex) is NOT a good model to build a math thesis from. The margins are wrong, the spacing is wrong, and the style of writing is far too colloquial. (For example, you should avoid contractions and the pronouns “I” and “you,” avoid using quotation marks unless you’re actually quoting something, minimize the use of parenthetical comments and the word “so,” and generally use a more formal writing style than you’ll find in this latextips.tex document.) Instead, you should use the file samplethesis.tex as a model for your thesis. That file has all the margins and spacing set properly, and it is written in a style appropriate for a math thesis. To actually write your own thesis, start with the file thesis.tex, which has all the correct structure and formatting commands you will need but no written content. Still, I hope you will find this latextips.tex document useful as well. It is intended to give suggestions for how to use LaTeX effectively, to give a wider variety of examples of LaTeX tricks than appeared in samplethesis.tex, and to explain some of the inner workings of samplethesis.tex and thesis.tex. That is, you should use thesis.tex for its structure, samplethesis.tex and samplethesis.pdf as an example, and latextips.tex and latextips.pdf for advice. I’d recommend you look not only at the three raw .tex files, but also at the LaTeX-ed and printed documents they generate. There are a lot of little tricks and techniques embedded in them, and you should familiarize yourself with both the raw LaTeX code and the resulting printed display. Quite a few of those tricks, like how to make the double-bar norm symbols k · k that appear later, are not explicitly mentioned in the text of this document, so be ready to scroll back through the .tex file to learn how some symbol was generated. Of course, there’s much more to LaTeX than what you’ll find here; so get yourself a good LaTeX book, such as G. Grätzer, Math into LaTeX, 3rd ed., Birkhäuser, Boston, 2000. There are online sources, too. For example, the LaTeX Wikibook may be found at http://en.wikibooks.org/wiki/LaTeX More links to a number of online LaTeX manuals and tutorials at http://www.tug.org/interest.html#latexmanuals 1 Chapter 1 Some LaTeX Examples First, a quick comment that can only go here, even though it is topically out of place: if I put a Subsection here (before the first Section of a Chapter), I get a weird number, like this: 1.0.1 Subsection Numbers Involving Zero See, it looks strange to refer implicitly to Section Zero. The same thing happens1 with Theorems (or Definitions, etc.) appearing before the first Section of a Chapter; see, e.g., Theorem 1.0.1 in samplethesis.tex. Avoid numbering involving zeros in a thesis. 1.1 Math Commands Multiline equations can be generated with the align* environment, using & for alignment points and column breaks, and \\ for newlines: ψi (log r) = (pi + 1) log kf kν(x,r) − 2pi (log r + log kf 0 kν(x,r) ) = (1 − pi ) log kf kν(x,r) − 2pi log δ(f, ν(x, r)) ≥ log kf kν(x,r) − pi ∆(f, ν(x, r)). If you want labels on that kind of equation, try the align environment. 2p [δ(r, ν(x, R00 )) − δ(r, ν(x, R̃))] p−1 p log |α| + 2p log µ − log kf kν(x,R00 ) . log kf kν(x,R̃) ≥ log kf kν(x,R00 ) + ≥ 1 p−1 (1.1) Note that since I only wanted the second line, and not both lines, of inequality (1.1) to have a label, I used the \notag command in the .tex file on the first line. You can refer to labelled equations, like equation (1.1) or sequence (1.2), from anywhere in the paper, even before they appear. But make sure to use \eqref rather than \ref when referencing equations; \ref gives us equation 1.1 rather than the nicer equation (1.1). 1 That’s because I numbered Theorems by Section in samplethesis.tex. You’d also get zeros if for some reason you put a Theorem before Chapter 1, even if you number your Theorems by Chapter. 2 If you want just a regular one-line displayed equation labelled, use the equation environment. For example, here’s a sequence of ones and zeros. 0, . . . , 0, 1, . . . , 1, 0, . . . , 0, 1, . . . , 1, 0, . . . , 0, . . . . | {z } | {z } | {z } | {z } | {z } m0 M1 m1 (1.2) m2 M2 For matrices, use the matrix environment, again using & for column breaks and \\ for newlines. Use \left and \right to make brackets big enough to fit around whatever is between them. Use \cdots, \vdots, and \ddots to get various directions of dots:   1 1 ··· 1  x1 ~i ~j ~k x2 · · · xn    1 2 2  2 2  x T ∂ ∂ ∂ ~ x2 · · · xn  , ha, bi = a b, and ∇ × F = ∂x A= 1 . ∂y ∂z 3 4   .. .. . . . .  . . P Q R . .  n−1 n−1 n−1 x1 x2 · · · xn If you want, you can skip typing out the \left( and \right) parentheses commands for matrices by replacing the matrix environment with pmatrix for regular (round) parentheses, bmatrix for square brackets, vmatrix for vertical lines, Vmatrix for double vertical lines, or Bmatrix for curly brackets. For example,   1 0 −4 1  = 1 + 5 + 8 = 14, Tr −2 5 −1 −1 8 and  1 x1 x21 .. . 1 x2 x22 .. . ··· ··· ··· .. .    det    xn−1 xn−1 ··· 1 2 1 xn x2n .. . xn−1 n     =   1 x1 x21 .. . 1 x2 x22 .. . ··· ··· ··· .. . x1n−1 x2n−1 · · · 1 xn x2n .. . = Y (xj − xi ). 1≤i

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