9.18.1 Top new questions this week

9.18.1.1 Create a simple Latex macro which expands the format to sequence

https://tex.stackexchange.com/landing/r/digest?cta=question&id=679794

I need a simple latex macro which takes some format and creates a sequence out of it. For example, 
\macro[N]{x^N y^N} => x^1 y^1 + x^2 y^2 + \dots + x^N y^N 
\macro[N]{x^N y_N} => x^1 y_1 + x^2 ... 
[math-mode] [macros]
 

asked by Akhil Akkapelli https://tex.stackexchange.com/landing/r/digest?cta=user&id=238713 Score of 9

answered by I^\237a'\275\226I"\204I^\271I"\202https://tex.stackexchange.com/landing/r/digest?cta=user&id=237192 Score of 5

9.18.1.2 Dot derivative of vector that includes a hat misaligns

https://tex.stackexchange.com/landing/r/digest?cta=question&id=679707

I have a vector defined as \begin{bmatrix}x \\ \hat{x}\end{bmatrix} and it displays as expected, however if i try to add a dot derivative it gets misaligned. 
minimal example: 
\documentclass{article} 
\... 
[amsmath]
 

asked by Steinarr https://tex.stackexchange.com/landing/r/digest?cta=user&id=293109 Score of 9

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 8

9.18.1.3 XeLaTex does not show unicode symbol

https://tex.stackexchange.com/landing/r/digest?cta=question&id=679501

Why doesn't my Unicode chess knight symbol show up in the output when using TexShop and typesetting with the XeLaTex engine? 
In TexShop I have 
\documentclass[12pt]{article} 
\begin{document} 
1.  a^\231\230 df5 
... 
[fonts] [unicode] [mactex]
 

asked by George Colpitts https://tex.stackexchange.com/landing/r/digest?cta=user&id=143594 Score of 7

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 9

9.18.1.4 How can I force 'description' to start on a new line when using 'enumerate'?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=680048

I want to use the description environment with the actual description starting on a new line. Ashttps://tex.stackexchange.com/a/69525/293290 suggests, I am using the enumitem package and I have set ... 
[spacing] [vertical-alignment] [lists] [enumitem]
 

asked by user13840624 https://tex.stackexchange.com/landing/r/digest?cta=user&id=293290 Score of 6

answered by Alan Munn https://tex.stackexchange.com/landing/r/digest?cta=user&id=2693 Score of 6

9.18.1.5 How to draw a circle with a background image

https://tex.stackexchange.com/landing/r/digest?cta=question&id=680271

Can anyone help me to make an image like this on TikZ. 
The code (MWE) that I have created is as follows: 
\documentclass{article} 
\usepackage[bahasai]{babel} 
\usepackage[dvipsnames]{xcolor} 
\... 
[tikz-pgf] [graphics]
 

asked by Aan Triono https://tex.stackexchange.com/landing/r/digest?cta=user&id=229602 Score of 5

answered by samcarter_is_at_topanswers.xyz https://tex.stackexchange.com/landing/r/digest?cta=user&id=36296 Score of 4

9.18.1.6 NewDocumentCommand for font size and style

https://tex.stackexchange.com/landing/r/digest?cta=question&id=679861

I would like to create a NewDocumentCommand that would take optional arguments like font color (blue, red), font size (12pt, 18pt, maybe large, huge), and font style (bold, italic, maybe bold+italic). ... 
[fontsize] [xparse]
 

asked by PatrickT https://tex.stackexchange.com/landing/r/digest?cta=user&id=13102 Score of 5

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 3

9.18.1.7 How can I place two equations on one line, but each is numbered separately?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=679562

I'd like to place two equations on one line, but each has to be numbered separately. 
For example, in this figure: 
This figure is created with minipage: 
\noindent\begin{minipage}{.5\linewidth} 
\begin{... 
[equations] [align] [minipage]
 

asked by Van-Tien PHAM https://tex.stackexchange.com/landing/r/digest?cta=user&id=235441 Score of 5

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6