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| − | UNI wiki allows adding equations in <math>\LaTeX</math> by using [https://www.mediawiki.org/wiki/Extension:SimpleMathJax SimpleMathJax]. Just place the expression in between <nowiki><math></math></nowiki> and it will be rendered.
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| − | You will be expected to learn to use Latex from other sources. This page contains only some useful information and formatting guidelines for use on this wiki.
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| − | == Useful <math>\LaTeX</math> knowledge ==
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| − | * Spaces do not do anything. Use plenty of them to make the commands easy to read
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| − | ** This here has 17 spaces in it (visible only in editor): <nowiki><math> a = b + c </math></nowiki> <math> a = b + c </math>
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| − | * \text{} makes spaces visible and text into roman.
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| − | ** <nowiki><math> \text{This is like normal text} = This is math text </math></nowiki> <math> \text{This is roman with spaces} = This is italic without spaces</math>
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| − | ** \mathrm is similar but does not remove spaces. <nowiki><math> \mathrm{arc sinh} </math></nowiki> <math> \mathrm{arc sinh} </math>
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| − | * \rm will make the whole thing to be in roman instead of italic. Spaces will still be removed.
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| − | ** <nowiki><math> \rm Velocity = S p e e d </math></nowiki> <math> \rm Velocity = S p e e d</math>
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| − | ** {} can be used to limit its scope. <nowiki><math> { \rm Roman } = Italic</math></nowiki> <math> { \rm Roman } = Italic</math>
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| − | * "\ " adds single space.
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| − | ** <nowiki><math> abb \ b\ b\ b </math></nowiki> <math> abb \ b\ b\ b </math>
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| − | * "\," adds single thin space
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| − | ** <nowiki><math> abb \,b\,b\,b </math></nowiki> <math> abb \,b\,b\,b </math>
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| − | * \displaystyle makes tall equations bigger and more beautiful. Will apply on things like sums and fractions.
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| − | ** <nowiki><math> a= \frac{b}{c} + \sum_{k=1}^n a_k b_k </math></nowiki> <math> a= \frac{b}{c} + \sum_{k=1}^n a_k b_k </math>
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| − | ** <nowiki><math> \displaystyle a= \frac{b}{c} + \sum_{k=1}^n a_k b_k </math></nowiki> <math> \displaystyle a= \frac{b}{c} + \sum_{k=1}^n a_k b_k </math>
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| − | * \large, \Large and \LARGE make text bigger. Like with \rm use {} to limit their scope. These help with things nested in exponents as exponent makes things smaller.
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| − | ** <nowiki><math> a^{\Large \frac{b}{c} } </math></nowiki> <math> a^{\Large \frac{b}{c} } </math>. Compare to <math> a^{\frac{b}{c} } </math>
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| − | * Long equations can be split to multiple separate <nowiki><math></nowiki> lines. It will look the same as if it was written in one go.
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| − | ** <nowiki><math> a+a+a+a+a+a+a+a+a+a+a++a+a+a+a+b+b+b+b+b+b++b+b+b+b+b++b+b+b+b+b </math></nowiki> <math> a+a+a+a+a+a+a+a+a+a+a++a+a+a+a+b+b+b+b+b+b++b+b+b+b+b++b+b+b+b+b </math>
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| − | ** <nowiki><math> a+a+a+a+a+a+a+a+a+a+a++a+a+a+a </math></nowiki><br><nowiki><math> +b+b+b+b+b+b++b+b+b+b+b++b+b+b+b+b </math></nowiki> <math> a+a+a+a+a+a+a+a+a+a+a++a+a+a+a </math><math> +b+b+b+b+b+b++b+b+b+b+b++b+b+b+b+b </math>
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| − | == Style ==
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| − | Style guidelines for math vary by location and field. Don't worry about them too much. Being consistent, unambiguous and readable is more important than strictly following guidelines.
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| − | If you have time you can read these two:
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| − | * [http://www.tug.org/TUGboat/Articles/tb18-1/tb54becc.pdf%20www.tug.org/TUGboat/Articles/tb18-1/tb54becc.pdf (pdf) Typesetting mathematics for science and technology according to ISO 31/XI].
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| − | * [https://iupac.org/wp-content/uploads/2015/12/italic-roman_dec99.pdf (pdf) On the use of italic and roman fonts for symbols in scientific text]
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| − | Some of the main points are listed below:
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| − | * Variables and letters that represent values should be in italic.
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| − | ** Multiletter and text variables are not exactly proper thing to do but they are fine in our wiki. Generally speaking use roman letters for them.
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| − | * Text should be in roman.
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| − | * Mathematical constants should be in roman. But this is often broken (for example <math>e</math> and <math>\pi</math>).
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| − | * Physical constants should be italic.
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| − | * Sub and superscripts that represent quantities should be italic. Otherwise they should be roman. For example <math> V_{\rm max}</math> (max is roman) but <math> V_{n+1}</math> (n is italic).
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| − | * Mathematical operators and special functions are in roman. Usually this happens automatically. For example <math> \sin\alpha </math> (<nowiki><math> \sin\alpha </math></nowiki>). But some operators will require manually setting. For example <math> \frac{ \mathrm{d} x }{ \mathrm{d} t} </math> (<nowiki><math> \frac{ \mathrm{d} x }{ \mathrm{d} t} </math></nowiki>) and <math> \mathrm{arcsinh}\,\alpha </math> (<nowiki><math> \mathrm{arcsinh}\,\alpha </math></nowiki>).
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| − | * Single letter functions you define are italic. For example <math> f(x) </math>.
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| − | ** But multi letter named functions are in roman. For example <math> \mathrm{func}(x) </math>.
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| − | * Units are in roman and separated from numbers by a unbreakable thin space "\,". <math> h = \frac{ E }{ m \times 9.81 \,{\rm m/s^2} } </math> (<nowiki><math> h = \frac{ E }{ m \times 9.81 \,{\rm m/s^2} } </math></nowiki>)
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| − | * Do not use "*" symbol for multiplication. Use "\times" insted. <math> 3 \times 2 = 6 </math>
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