7.61.1 Top new questions this week

7.61.1.1 xstring - How to define a macro that removes final punctuation?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617191

Is it possible to create a command to remove final punctuation from a sentence (here to simplify, just remove the final period)? 
Thanks to the xstring package, I can remove the final punctuation for a ... 
[punctuation] [strings] [xstring]
 

asked by Bastien https://tex.stackexchange.com/landing/r/digest?cta=user&id=209957 11 votes

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 6 votes

7.61.1.2 French representations of functions

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617583

In France (probably in many other countries, too), functions are usually represented like this: 
So, I tried to create a command \fct and here is a MWE: 
\documentclass[a4paper,10pt]{article} 
\... 
[spacing] [arrays]
 

asked by Didier https://tex.stackexchange.com/landing/r/digest?cta=user&id=249670 9 votes

answered by Luis Turcio https://tex.stackexchange.com/landing/r/digest?cta=user&id=140456 5 votes

7.61.1.3 Draw persistent homology barcodes

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617644

I am trying to draw persistent-homology barcodes and I have no idea how to go about it. It would have to be something like that: 
(Example taken from p. 56 of "Topological Persistence in Geometry ... 
[tikz-pgf] [pstricks] [asymptote] [draw]
 

asked by juan1243 https://tex.stackexchange.com/landing/r/digest?cta=user&id=253867 7 votes

answered by CarLaTeX https://tex.stackexchange.com/landing/r/digest?cta=user&id=101651 8 votes

7.61.1.4 Why do true grayscale gradients get converted to cmyk/rgb resulting in a possible color tint when printing?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617297

While printing my thesis in a professional printing shop I encountered various issues. First, pages with grayscale graphics have not been recognized as such (requires manual fixing by the shop) and ... 
[tikz-pgf] [color] [printing] [gradient]
 

asked by Robert Seifert https://tex.stackexchange.com/landing/r/digest?cta=user&id=36835 7 votes

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 4 votes

7.61.1.5 Dost thou feel that I reinvent the wheel? (Trying to create my own lightweight antilabe macro.)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617392

Here is an MWE representing my attempt to achieve antilabe in dramatic verse.  (I felt the implementation in eledmac was more than I needed.)  Ideally, I'd like the macro to set the spacing by just &... 
[widthof]
 

asked by commonhare https://tex.stackexchange.com/landing/r/digest?cta=user&id=24016 6 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes

7.61.1.6 Make TikZ arrow curvier

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617538

I have this code, 
\documentclass{article} 
\usepackage{tikz} 
\begin{document} 
\begin{tikzpicture} 
\draw[very thick, step = 2] (0, 0) grid (6, 6); 
\node[circle, fill=blue] (a) at (2, 0) {}; 
... 
[tikz-pgf]
 

asked by Zarathustra https://tex.stackexchange.com/landing/r/digest?cta=user&id=207238 6 votes

answered by js bibra https://tex.stackexchange.com/landing/r/digest?cta=user&id=197451 11 votes

7.61.1.7 How to draw the internal circuits of an operational amplifier?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=617137

I'm trying to do the next schematics about the 741 opamp: 
but I don't know where to anchor the first  transistor or even which should be done first, and how to do the transistor with double emitter. ... 
[tikz-pgf] [floats] [circuitikz]
 

asked by riccs_0x https://tex.stackexchange.com/landing/r/digest?cta=user&id=115642 6 votes

answered by J Leon V. https://tex.stackexchange.com/landing/r/digest?cta=user&id=154390 6 votes