HP49-50G : Taylor
10-07-2021, 04:12 PM
Post: #1
 Gil Senior Member Posts: 324 Joined: Oct 2019
HP49-50G : Taylor
Suppose I have

Eq1
'(1+SIN(X)^2)/(1-SIN(X)^2)^.5'
in stack level 2
Then I execute
8 TAYLR
No answer, but an output message:
"Mode switch not allowed here".

How can I get the polynomial answer?

Gil Campart

'(1.93166338454E-3*SIN(X)^2.+1.)/EXP(.5*LN(-(6.69460532857E-3*SIN(X)^2.-1.)))'
10-07-2021, 05:24 PM
Post: #2
 Gil Senior Member Posts: 324 Joined: Oct 2019
RE: HP49-50G : Taylor
Actually, the equation is
'(1.93185135484E-3*SIN(X)^2+1)/
(1-6.6943800229E-3*SIN(X)^2)^(1/2)'

X 8 TAYLR

to try and get a Taylor's polynome.

Gil
10-07-2021, 05:27 PM (This post was last modified: 10-07-2021 05:31 PM by Gil.)
Post: #3
 Gil Senior Member Posts: 324 Joined: Oct 2019
RE: HP49-50G : Taylor
It seems that we cannot work here with reals (with numbers presenting a dot format), but only with integers (and or with defined variables).
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