7.11.1 Top new questions this week

7.11.1.1 TeX double script error even though all brackets are perfectly placed

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582428

Whenever I write, 
${{\dot y}^a}^\top$ 
I will receive a double superscript error. 
But {{\dot y}^a}^\top  is perfectly parsed. I don't understand why there would be an error at all. Please help! 
[errors] [tex-core] [superscripts] [bugs]
 

asked by Cauchy's Carrot https://tex.stackexchange.com/landing/r/digest?cta=user&id=173092 16 votes

answered by campa https://tex.stackexchange.com/landing/r/digest?cta=user&id=82917 21 votes

7.11.1.2 In TikZ, is it possible to isolate every character of an expression in a node as its own node?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582127

I often find myself typing equations into a node of a tikz picture. I then often find that I want to isolate certain characters in the equation and define them as a node. 
For instance, consider the ... 
[tikz-pgf] [tikz-node]
 

asked by Brian Fitzpatrick https://tex.stackexchange.com/landing/r/digest?cta=user&id=31016 16 votes

answered by Andrew Stacey https://tex.stackexchange.com/landing/r/digest?cta=user&id=86 21 votes

7.11.1.3 How to create curved lines in Tikz that go through specific points?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582112

This is my code right now: 
\documentclass{minimal} 
\usepackage{tikz} 
\usetikzlibrary{calc,arrows} 
\begin{document} 
\begin{tikzpicture}[ 
scale=1.5, 
axis/.style={very thick, ->, >=stealth'... 
[tikz-pgf]
 

asked by MetaPhilosopher https://tex.stackexchange.com/landing/r/digest?cta=user&id=174512 11 votes

answered by gernot https://tex.stackexchange.com/landing/r/digest?cta=user&id=110998 11 votes

7.11.1.4 Programmatically define macro within the body of \foreach

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582562

I am trying to write a macro \RR, allowing me to type \mathbb{R} in text, with an optional parameter for an exponent. The desired functionality is shown below: 
I can now write \RR\ in text. % --> ... 
[macros] [expansion] [foreach] [xparse]
 

asked by Ezra Erives https://tex.stackexchange.com/landing/r/digest?cta=user&id=234820 9 votes

answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/digest?cta=user&id=134574 9 votes

7.11.1.5 Unexplainable numbers in table

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582251

I am very new to working with latex. I have copied the presented code with xtable from Rstudio. Since the table was too wide I inserted a p column, unfortunately, the numbers 1574 and 2064 appear in ... 
[tables]
 

asked by ToFrieV https://tex.stackexchange.com/landing/r/digest?cta=user&id=234671 8 votes

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 11 votes

7.11.1.6 Looking for math font

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582287

I was trying to reproduce the followings symbols in maths formulas from an old book: 
2) 
At first glance, I thought that \mathfrak could do the job, but the result wasn't as expected: 
Searching ... 
[fonts] [symbols]
 

asked by camd92 https://tex.stackexchange.com/landing/r/digest?cta=user&id=181644 7 votes

answered by Davislor https://tex.stackexchange.com/landing/r/digest?cta=user&id=61644 9 votes

7.11.1.7 How do I \write18 a koma var?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=582795

I'm trying to do some shell processing of data that depends on the settings inside the TeX file. 
To do this I want to \immediate\write18 a command that depends on a \usekomavar, but pdflatex complains ... 
[errors] [koma-script] [shell-escape] [write]
 

asked by bitmask https://tex.stackexchange.com/landing/r/digest?cta=user&id=1498 6 votes

answered by campa https://tex.stackexchange.com/landing/r/digest?cta=user&id=82917 6 votes