<![CDATA[Define functions with independent variables other than x.]]>
https://help.geogebra.org/topic/define-functions-with-independent-variables-other-than-x
Wed, 26 Feb 2020 00:16:23 +0000Mon, 24 Feb 2020 07:03:16 +0000Zend_Feed<![CDATA[Thank you again, but again it seems I've been unclear. I'm confident this time my question will finally come through. In the c_text.ggb file you provided, I want the text to read "2c" instead of "2" as it currently reads. In other words, I don't want to evaluate the function f'(x) at a number for c, I want to evaluate f'(x) at the variable c (replace all x's with c's).]]>
https://help.geogebra.org/topic/define-functions-with-independent-variables-other-than-x#comment-276180
Mon, 24 Feb 2020 18:57:16 +0000<![CDATA[To show f'(c) in a text, reffering to f as well to c, create a text box, select in the list of objects the number c. Now a box with c is created. In this box you can change the content of the box from c into f'(c). So you can type, erase etc. in these textboxes, introducing formulas. ]]>
https://help.geogebra.org/topic/define-functions-with-independent-variables-other-than-x#comment-276176
Mon, 24 Feb 2020 17:08:49 +0000<![CDATA[I tried it in Classic5 & 6 without any problem. Which version of GeoGebra are you using on what kind of device? chris ]]>
https://help.geogebra.org/topic/define-functions-with-independent-variables-other-than-x#comment-276154
Mon, 24 Feb 2020 10:16:24 +0000<![CDATA[Thanks for your reply. It makes me realize that I wasn't specific enough in my question. Sorry about that. Let me clarify. I have an input box that is used to define a function f in terms of x. I then want to display (as text) the function f'(x) evaluated at c (i.e. f'(c)). I can't seem to make your solution apply in this case. Sorry again for the unclear question. I hope this is better now.]]>
https://help.geogebra.org/topic/define-functions-with-independent-variables-other-than-x#comment-276168
Mon, 24 Feb 2020 14:37:41 +0000<![CDATA[Hi My idea (…) is CAS with substitute command Then you drag 2c (in the exemple) into graphics, and you have your text ]]>
https://help.geogebra.org/topic/define-functions-with-independent-variables-other-than-x#comment-276254
Wed, 26 Feb 2020 00:19:25 +0000