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3

\circ is a centred circle for degree you want ^{\circ} and you want\approx for U+2248. In general these days it might be easier to use pmml-new but with a TeX setup using luatex or xetex and unicode-math then the majority of math related unicode characters could be just sent straight through to TeX and would do the right thing automatically.


2

\textsc does not select two fonts it just selects one, however it is a font in which lowercase letters use the shapes usually assigned to uppercase. The relative heights as always for the relative heights of upper and lower case vary from font to font but are the choice of the font designer not something to set from TeX. Note that in most "true" caps-and-...


4

If you are open to loading tikz, you could do \documentclass[10pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{mathtools} \usepackage{tikz} \usetikzlibrary{tikzmark} \begin{document} \[ J(\widehat{\Phi})(p)= \begin{pmatrix*}[c] \tikzmarknode{tl}{((\widehat{\Phi}(p)_{ij}))_{i,j=1}^r} & \hspace*{9em}& \tikzmarknode{tr}{((\...


6

Here are two versions as I am not sure if you want the central element on or off the diagonal where I have used\mathrlap to hide the subscript and superscript from affecting column width so that the \ddots appear below them, used \smash on the large zero so it does not effect vertical spacing, used \multicolumn{}{}{} for the case on central element being ...


3

Something like this? \documentclass[10pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{mathtools,amssymb} \begin{document} \[ \setlength\arraycolsep{2.5pt} % default value: 5pt J(\widehat{\Phi})(p)= \begin{pmatrix} \bigl((\widehat{\Phi}(p)^{}_{ij})\bigr)_{i,j=1}^r &\dots &\dots & \dots & \bigl((\...


3

This is caused by the package parskip. It seems to be the parskip from the previous paragraph that "bleed through". I have checked this site for solutions, but found none that works with paracol. You have a very nice package named multicolrule that works with multicol and twocolumn mode, but I was not able to convince it to work with paracol. Solution 1 A ...


0

In computer science, the period can mean other things except the end of the sentence: a Lambda term separator (e.g., λ x, y. x+y), function application in some seldom convention (e.g., f.x), choice of a structure component (e.g., car.front_right_wheel), choice of a method (e.g., car.turn_right(90)). So, English spacing simply helps the reader to distinguish ...


0

Following Bernard's comment into further investigations I came up with this, which solves the problem. Define an environment similar to quote: \newenvironment{block}% {\list{}{\leftmargin=0.0in\rightmargin=0.0in} \item[] }% {\endlist} Combine the command with emphasis (or italics or...): \begin{block} \emph{Some text...} \end{block}


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