Help with simplify in CAS

08102022, 03:28 PM
(This post was last modified: 08102022 03:34 PM by dfsantos.)
Post: #1




Help with simplify in CAS
I need help with some simplifications of the hp prime
and i want transform to can someone tell me how to do it? with simplify it doesn't work 

08102022, 03:55 PM
Post: #2




RE: Help with simplify in CAS
One way I can think of to do it is with SYMB2POLY


08112022, 05:50 PM
Post: #3




RE: Help with simplify in CAS
dsfantos wrote:
Quote:with simplify it doesn't work You are absolutely right: Simplify does not change anything. If you apply epand to the expression you get: 4.2W^3  20.8*w^2+4.1*w+4.1+20.5*w4.1 which is quite near to what you wanted. Applying simplify to the result again does not change anything. Indeed this is very easy to simplify. A 5th grade pupil should see that +4.1 and 4.1 could be combined. A CASsystem should be able to do it. Applying collect delivers a somewhat other result I am not sure whether this is correct: 4.2*w*(w3.)*(w1.952381) 

08112022, 06:04 PM
Post: #4




RE: Help with simplify in CAS
(08112022 05:50 PM)rawi Wrote: dsfantos wrote:Quote:with simplify it doesn't work Apply expand twice to get the first expected result. 

08162022, 05:34 PM
Post: #5




RE: Help with simplify in CAS
thanks!!!
Thats work!!!! 

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