6
This is a small variation of this answer. One thing that requires a bit attention is the left-aligned column, which one gets with
/tikz/column 2/.style={nodes={align=left,text width={width("$\realR^3=\realR\times\realR\times\realR$")}}}
Code (with two different double-stroke R's)
\documentclass{article}
\usepackage{amsmath}
\usepackage{amsfonts}
\...
4
As supplement to @Schrödinger's cat's answer. Added are vertical lines labeled P_{r_1} and P_{r_2} (which are shown in OP image but not in his answer) and made some small changes in image code:
\documentclass[margin=3mm,varwidth]{standalone}
\usepackage{tikz-cd}
\usepackage{amssymb}
\begin{document}
\[
\begin{tikzcd}[row sep=huge,
/tikz/column 2/.style=...
3
Here I create a tokcycle package macro \spaceouttext{gap}{text} that, when invoked, creates the desired tokens in the package's token register named \cytoks. Thus, do the invocation prior to the \draw and pass \the\cytoks as the textual argument.
\documentclass[border=2mm]{standalone}
\usepackage{tikz,tokcycle}
\newcommand\spaceouttext[2]{%
\tokcycle{\...
3
I will add the worst answer here because I don't like diagrams with many curved arrows or that g_2 is so close to g_3.
\documentclass{article}
\usepackage{mathtools}
\usepackage{amssymb}
\usepackage{tikz-cd}
\begin{document}
\begin{tikzcd}
& \mathbb{R}^3\\
W\ar{ru}{g_1}\ar[dashed]{r}[description]{g}\ar{rd}[swap]{g_2}\ar[out=270,in=270]{rrr}
& \...
3
Here is a solution with the text effects along path option of the decorations.text library. I increased the gap, you can manage it by changing the character widths={inner xsep=1pt} option.
\documentclass[border=2mm,tikz]{standalone}
\usetikzlibrary{arrows, decorations.text}
\tikzset{>=latex}
\begin{document}
\begin{tikzpicture}[decoration={
...
2
You can compose such figures using Graphwiz and the dot2tex Python script converter. The dot2texi package allow you to call dot2tex from within the tex source code, using -shell-escape or -enable-write18 compiling option.
Here is is the source code which can produce this figure.
\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{shapes,arrows}
\...
2
If you do computations that involve some parentheses, you need braces. I also do not think you need $ here since you just use polar coordinates (and do not use coordinate computations a la calc).
\documentclass{article}
\usepackage{tikz}
\usepackage{tkz-euclide}
\usetikzlibrary{calc,patterns,angles,quotes,intersections}
\tikzset{bullet/.style={circle, fill,...
2
How about
\documentclass{article}
\usepackage[a4paper,margin=1in,footskip=0.25in]{geometry}
\usepackage{tikz}
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhf{}
\rfoot{
\begin{tikzpicture}[remember picture,overlay]
\fill[black] (current page.south west) rectangle ++(\paperwidth,1.5cm)
node[midway,align=center,font=\LARGE\bfseries,text=...
2
Here is a very simple approach:
\documentclass{article}
\usepackage[a4paper,margin=1in,footskip=0.25in]{geometry}
\usepackage{tikz}
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhf{}
\rfoot{
\begin{tikzpicture}[remember picture,overlay]
% From https://tex.stackexchange.com/a/443744/152550
\fill[black] (current page.south west) rectangle ...
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