Original file (SVG file, nominally 83 × 70 pixels, file size: 17 KB)
This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
This image shows some kind of formula that could be converted to
TeX . Storing formulas as images makes it harder to change them. TeX also helps making sure that they all use the same font and size.
A replacement has been proposed. In your article, replace the image with this code.
E
1
→
f
E
2
π
1
↓
↓
π
2
X
1
→
g
X
2
{\displaystyle {\begin{matrix}\quad E_{1}&{\xrightarrow {\quad f\quad }}&E_{2}\quad \\\pi _{1}{\Big \downarrow }&&{\Big \downarrow }\pi _{2}\\\quad X_{1}&{\xrightarrow[{\quad g\quad }]{}}&X_{2}\quad \end{matrix}}}
<math>\begin{matrix}
\quad E_1 & \xrightarrow{\quad f \quad} & E_2 \quad\\
\pi_1 \Big\downarrow & & \Big\downarrow \pi_2\\
\quad X_1 & \xrightarrow[\quad g \quad]{} & X_2 \quad
\end{matrix}</math>
Keep : Can currently not been reproduced nicely български ∙ Deutsch ∙ Ελληνικά ∙ English ∙ فارسی ∙ magyar ∙ italiano ∙ 日本語 ∙ македонски ∙ Nederlands ∙ polski ∙ русский ∙ sicilianu ∙ svenska ∙ +/−
possible LaTeX source code
\usepackage [all] { xy}
\xymatrix {
E_ 1 \ar [d] _{ \pi_ 1} \ar [r] ^ f & E_ 2 \ar [d] ^{ \pi_ 2} \\
X_ 1 \ar [r] _ g & X_ 2
}
</source>
or
<source lang="latex">
\usepackage { amscd}
\begin { CD}
E_ 1 @>{ f} >> E_ 2 \\
@V{ \pi_ 1} VV @VV{ \pi_ 2} V \\
X_ 1 @>>{ g} > X_ 2
\end { CD}
Licensing
Public domain Public domain false false
English Add a one-line explanation of what this file represents
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time Thumbnail Dimensions User Comment
current 17:39, 13 January 2012 83 × 70 (17 KB) wikimediacommons>Jiriskala
File usage
The following page uses this file: