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7h
comment How to custom symbol from LaTeX symbol?
shape isn't quite the same. darn triangles! like standards, there are so many to choose from!
7h
comment Labeling equations and math mode
@aeroNotAuto -- if you use \left and \right on the next pair, then you'd have to continue, and the result would be that the outermost pair would be entirely too large. better to take a little more time, use \bigl/\bigr and friends, and keep them as size-restricted as possible. there are many questions on this site with sensible guidance regarding sizing of delimiters, including when to let sub/superscripts and limits "hang out".
8h
comment Labeling equations and math mode
using \left and \right on the braces around the Q expression results in braces that are larger than the next-surrounding parentheses, which looks bad. the extra size isn't really needed though, so the answer is not to add more \left and \right.
9h
comment How to split a string to figure float with figure name, label and caption?
can't help with most of this, but you do need \protect before \ref when it's in a caption (or other "movable" argument, like a section heading).
9h
comment Labeling equations and math mode
for your second equation, you already know how to make a letter bold. there are commands \log and \exp for those function names. \sum for the sum. you know how to produce sub and superscripts; limits are done the same way. since braces are special to latex, to get printed ones, use \{ and \}. is this enough help?
9h
comment Labeling equations and math mode
in your first equation, you should be using \mathbf rather than \textbf.
10h
comment How to add ``acknowledgements'' on documentclass ``memoir''?
if the paper isn't going to be submitted as a source file to a publisher who applies automated procedures to extract portions (in particular, the abstract) for other uses, you could include the acknowledgments as part of the abstract, mimicking the style of the abstract header to start off the acknowledgments.
11h
revised Should I \mathrm the d in my integrals?
highlighted code
14h
comment Reference name of description list items in latex
duplicate: How does one set custom labels for description lists?
14h
answered Reference name of description list items in latex
14h
revised Getting superscripts in math mode without the ^ character
added information from comments into text of question
18h
awarded  Enlightened
20h
awarded  Nice Answer
1d
awarded  math-mode
1d
awarded  Enlightened
1d
awarded  Nice Answer
1d
revised Getting superscripts in math mode without the ^ character
added relevant texbook quote
1d
comment Getting superscripts in math mode without the ^ character
@ChristianHupfer -- shorthand defined by knuth. this line in plain.tex': \let\sp=^ \let\sb=_`. adding note to answer.
1d
answered Getting superscripts in math mode without the ^ character
1d
comment Fixing the spacing of overbrace and underbrace contents relative to large brackets
this has been addressed numerous times. here's one possibility: Underbrace in denominator with () {} (howto)