<![CDATA[why does turningpoint return undefined?]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined
Mon, 13 Apr 2020 20:06:47 +0000Sun, 12 Apr 2020 16:20:32 +0000Zend_Feed<![CDATA[InflectionPoint( <Polynomial> ) Yields all inflection points of the polynomial as points on the function graph.]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined#comment-279294
Sun, 12 Apr 2020 22:27:19 +0000<![CDATA[try root(f'')]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined#comment-279320
Mon, 13 Apr 2020 08:42:58 +0000<![CDATA[Hi, the "Vendepunkt" command in my example IS the InflectionPoint command. And in my example gbb, at least in my geogebra, this returns "undefined" for EVERY example function I tried. I have even tried to enter the functions instead of refering to it by name, to no avail. So I must be doing - something - wrong here, but what?]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined#comment-279326
Mon, 13 Apr 2020 11:34:07 +0000<![CDATA[Thank you, but I stated in my text that I know how to circumvent this by going to the root of the second derivative. This does not solve my problem, that the InflectionPoint command returns "undefined" in every example I try.]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined#comment-279328
Mon, 13 Apr 2020 11:35:15 +0000<![CDATA[Well, I guess what you meant to say is "You can't use that command, because your function is not a polynomial". That couldn't have been any less clear from writing one word in bold, to me at least. Thanks anyway.]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined#comment-279334
Mon, 13 Apr 2020 11:53:32 +0000<![CDATA[]]>
https://help.geogebra.org/topic/why-does-turningpoint-return-undefined#comment-279352
Mon, 13 Apr 2020 20:06:49 +0000