[Tex/LaTex] Spacing in math mode

math-modespacing

In Math mode, if I write ":", it will automatically insert spaces before and after the colon. For example, $s:type$ will be shown as "s : type". How can I remove these spaces?

Best Answer

Add a pair of brackets around the colon, and put type inside a \text command. Alternatively, you can use \colon which looks better, in my opinion:

$ \begin{array}{l}
     s: \text{type}\\
    s{:}\text{type} \\
     s\colon \text{type}
\end{array} $

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[Tex/LaTex] automatic spacing between words in math mode

the spacing is the least of the problems, the letters are all wrong as well. The math italic font has wide side-bearings specifically so that adjacent letters do not look like letters forming a word but rather the usual mathematical use as implied multiplication of separate variables. To use a multi-letter identifier you need to use a text font, then inter-word spacing will automatically work as well, although you would need to use \quad or a similar space if embedding the text in math mode..

if  $f x > 3$  then $42$  else $y$

or if you need to embed it in display math

\[ \textrm{if} \quad f x > 3 \quad \textrm{then} \quad 42  \textrm{else} \quad y \]

[Tex/LaTex] Spacing before parenthesis in math mode

You may set small spaces (1/6 of a quad) manually: negative \! and positive \,:

\overline{q}_{l m_1}'\!(i)\,\overline{q}_{l m_2}'\!(i)\,\overline{q}_{l m_3}'\!(i)

Best Answer

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[Tex/LaTex] automatic spacing between words in math mode

[Tex/LaTex] Spacing before parenthesis in math mode

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