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up vote 3 down vote favorite
1

I have following code:

\documentclass[11pt,a4paper,headings=small]{scrartcl}

\usepackage{mathtools}
\usepackage{siunitx}
\begin{document}

\begin{align*}
F_S(p) = \frac{V}{(1+pT_1) \cdot (1+pT_2) \cdot (1+pT_3)}\\
V &= 5  &T_1 &= \SI{0,12}{\s}  &T_2 &= \SI{0,25}{\s} &T_3 &= \SI{0,005}           {\s}\\
\end{align*}

\end{document}

Which creates: Output

How can i get the first line centered, and the second tabbed but also centered? Is there a way to ignore the alignment?

Thanks :)

share|improve this question
    
i wouldn't bother trying to use align*. i'd use gather* and just put \qquad between the segments on the second line. – barbara beeton 13 hours ago
    
if you do not want alignment why use align use perhaps multline or gather – David Carlisle 13 hours ago
up vote 4 down vote accepted

With use of gather and inserting quads between elements of the second line:

\documentclass[11pt,a4paper,headings=small]{scrartcl}
\usepackage{mathtools}
\usepackage{siunitx}

\begin{document}
    \begin{gather*}
F_S(p) = \frac{V}{(1+pT_1) \cdot (1+pT_2) \cdot (1+pT_3)}\\
V  = 5\quad 
T_1 = \SI{0,12}{\s}\quad  
T_2 = \SI{0,25}{\s}\quad
T_3 = \SI{0,005}{\s}
    \end{gather*}
\end{document}

enter image description here

share|improve this answer
up vote 6 down vote

this is how i'd set these two lines.

\documentclass[11pt,a4paper,headings=small]{scrartcl}

\usepackage{mathtools}
\usepackage{siunitx}
\begin{document}
\begin{gather*}
F_S(p) = \frac{V}{(1+pT_1) \cdot (1+pT_2) \cdot (1+pT_3)}\\[2pt]
V = 5  \qquad T_1 = \SI{0,12}{\s} \qquad  T_2 = \SI{0,25}{\s}
  \qquad T_3 = \SI{0,005}{\s}
\end{gather*}
\end{document}

output of example code

note that you really don't want to have \\ at the end of a multi-line display using an amsmath structure.

share|improve this answer
up vote 2 down vote

Should you have several lines with alignments, but not all, you can use aligned or alignedat inside a gather environment:

\documentclass[11pt,a4paper,headings=small]{scrartcl}

\usepackage{mathtools}
\usepackage{siunitx}

\begin{document}

\begin{gather*}
F_S(p) = \frac{V}{(1+pT_1) \cdot (1+pT_2) \cdot (1+pT_3)}\\
\begin{alignedat}{4}
V &= 5 &\qquad T_1 &= \SI{0,12}{\s} &\qquad T_2 &= \SI{0,25}{\s} &\qquad T_3 &= \SI{0,005} {\s}\\
W &= 5 &\qquad T_1 &= \SI{0,12}{\s} &\qquad T_2 &= \SI{0,25}{\s} &\qquad T_3 &= \SI{0,005} {\s}
\end{alignedat}
\end{gather*}

\end{document}

enter image description here

share|improve this answer
up vote 2 down vote

These are simply two lines of displayed math. I don't see any thing more natural than using two \[ ... \]s.

\documentclass[11pt,a4paper,headings=small]{scrartcl}
\usepackage{siunitx}    
\begin{document}

\[ F_S(p) = \frac{V}{(1+pT_1) \cdot (1+pT_2) \cdot (1+pT_3)} \]
\[ V=5 \quad T_1=\SI{0,12}{\s} \quad T_2=\SI{0,25}{\s} \quad T_3=\SI{0,005}{\s} \]

\end{document}

enter image description here

share|improve this answer
    
Oh, no! Please don’t set two consecutive, but separate displayed equations: use gather (or gather*) instead! This answer would actually deserve a downvote… :-( – Gustavo Mezzetti 10 hours ago
up vote 1 down vote

I don't think you need tabbing for what you describe. Here I use a TABstack (without any tabs). I place a \quad between entries on the 2nd line.

\documentclass[11pt,a4paper,headings=small]{scrartcl}
\usepackage{tabstackengine}
\TABstackMath
\TABstackMathstyle{\displaystyle}
\usepackage{siunitx}
\begin{document}
\[
\tabbedstackunder[10pt]{
F_S(p) = \frac{V}{(1+pT_1) \cdot (1+pT_2) \cdot (1+pT_3)}
}{
V = 5  \quad T_1 = \SI{0,12}{\s}  \quad T_2 = \SI{0,25}{\s} \quad T_3 = \SI{0,005}           {\s}
}
\]
\end{document}

enter image description here

share|improve this answer
up vote 1 down vote

If you want to give more visual prominence to the values of the four variables, you could use an align* environment with a single common alignment point:

enter image description here

\documentclass[11pt,a4paper,headings=small]{scrartcl}
\usepackage{mathtools,siunitx}
\begin{document}
\begin{align*}
F_S(p) &= \frac{V}{(1+pT_1)  (1+pT_2)  (1+pT_3)}\\
V   &= 5\\ 
T_1 &= \SI{0,12}{\s}\\
T_2 &= \SI{0,25}{\s}\\ 
T_3 &= \SI{0,005}{\s}
\end{align*}
\end{document}
share|improve this answer

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