Prime function app question
09-02-2022, 01:02 AM
Post: #1
 Coacht95 Junior Member Posts: 1 Joined: Sep 2022
Prime function app question
On the prime, in the function app I leave F1-F3 open. I have F4 set to be the first derivative of F1, and F5 to be the 2nd derivative. I want F6 to be the integral of F1, but I can’t figure that out yet. Everything I have tried gives me an error. Any suggestions?
09-02-2022, 05:37 AM
Post: #2
 robmio Member Posts: 170 Joined: Jan 2020
RE: Prime function app question
(09-02-2022 01:02 AM)Coacht95 Wrote:  On the prime, in the function app I leave F1-F3 open. I have F4 set to be the first derivative of F1, and F5 to be the 2nd derivative. I want F6 to be the integral of F1, but I can’t figure that out yet. Everything I have tried gives me an error. Any suggestions?

You must use capital letters and the CAS () statement.

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09-02-2022, 04:48 PM
Post: #3
 C.Ret Member Posts: 241 Joined: Dec 2013
RE: Prime function app question
(09-02-2022 01:02 AM)Coacht95 Wrote:  Any suggestions?

You may have made a syntax error somewhere.

Using the same F1(X)=2*X-X²/15 as robmio, I directly (without any CAS extension) get the integral, first and second derivative function without any issue :

09-03-2022, 03:25 PM
Post: #4
 robmio Member Posts: 170 Joined: Jan 2020
RE: Prime function app question
(09-02-2022 04:48 PM)C.Ret Wrote:
(09-02-2022 01:02 AM)Coacht95 Wrote:  Any suggestions?

You may have made a syntax error somewhere.

Using the same F1(X)=2*X-X²/15 as robmio, I directly (without any CAS extension) get the integral, first and second derivative function without any issue :

Thanks for the suggestion. I thought I had to use the CAS instruction, being an itegral, but no.
Sincerely, robmio (Roberto Mioni)
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