Re: [Maxima] Printing of sums



hi Raymond

> 
> Anyone notice that maxima doesn't print out sums very well?
> 
> Example:
> 
> GCL (GNU Common Lisp)  Version(2.4.0) Mon Sep 24 15:07:31 EDT 2001
> Licensed under GNU Library General Public License
> Contains Enhancements by W. Schelter
> Maxima 5.6 Mon Sep 24 15:07:13 EDT 2001 (with enhancements by W. Schelter).
> Licensed under the GNU Public License (see file COPYING)
> (C1) sum(x^n,n,0,inf);
> 
> 				INF
> 				   ====
> 				   \ n
> (D1) 				    >x
> 				   /
> 				   ====
> 			     n = 0
> 
> Anyone have a fix?

we can use simpsum option.

(C2) simpsum:true;
(D2)
(C3)sum(x^n,n,0,inf);

Is ABS(x) -1 positive,negative,or zero ?

negative;
(D4) 	1
	----
	1 - x

allso
(C5) sum(1/n^3,n,1,inf);
(D5) ZETA(3)

thanks

Gosei Furuya (go_furuya@infoseek.jp)