[Scilab-users] Symbolic computation in Scilab
Pablo Fonovich
pablo_f_7 at hotmail.com
Sun Aug 16 23:07:23 CEST 2015
dont forget to do an "assume(z>0.5)" before all so that the sum is not infinite
From: pablo_f_7 at hotmail.com
To: users at lists.scilab.org
Date: Sun, 16 Aug 2015 18:01:42 -0300
Subject: Re: [Scilab-users] Symbolic computation in Scilab
Hi:
i think i finally solved your problem
use this script
Syms n z ;
x1 =(0.33) ^( n )
X1 = %sym_sum (7* x1 *( z ^( - n ) ) ,n ,0 , %inf )
X1=ev(X1,'simpsum=true')
x2 =(0.5) ^( n )
X2 = %sym_sum (6* x2 *( z ^( - n ) ) ,n ,0 , %inf )
X2=ev(X2,'simpsum=true')
X = X1 - X2
i just added the ev instruction after calculating X1 and X2 to simplify the sum...
the result is
X =
7.0 6.0
--------- - -------
33 1
1 - ----- 1 - ---
100 z 2 z
that is correct!
> Date: Sun, 16 Aug 2015 04:18:29 -0700
> From: doole93 at gmail.com
> To: users at lists.scilab.org
> Subject: Re: [Scilab-users] Symbolic computation in Scilab
>
> I forgot, the scimax toolbox doesn't ask me to input any convergence
> conditions
>
>
>
> --
> View this message in context: http://mailinglists.scilab.org/Symbolic-computation-in-Scilab-tp4032673p4032693.html
> Sent from the Scilab users - Mailing Lists Archives mailing list archive at Nabble.com.
> _______________________________________________
> users mailing list
> users at lists.scilab.org
> http://lists.scilab.org/mailman/listinfo/users
_______________________________________________
users mailing list
users at lists.scilab.org
http://lists.scilab.org/mailman/listinfo/users
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.scilab.org/pipermail/users/attachments/20150816/56bf6a69/attachment.htm>
More information about the users
mailing list