This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Converted to svg format.. The original can be viewed here: -cot(theta).jpg: . Modifications made by Phatom87.
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Original upload log
This image is a derivative work of the following images:
2008-10-14T20:50:51Z File Upload Bot (Magnus Manske) 257x132 (6269 Bytes) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Illustrative example as part of a proof of the Routh Stability Criterion Eric Helfgott (created and uploaded by)}} |Source=Transferred from [http://en.wikiped
{{Information |Description={{en|Illustrative example as part of a proof of the Routh Stability Criterion Eric Helfgott (created and uploaded by)}} |Source=*Image:-cot(theta).jpg |Date=2008-10-14 21:03 (UTC) |Author=*derivative work: ~~~ *[[:Image:-c