that works!
thanks much,
Ted
----- Original Message -----
From: "Barton Willis" <willisb at unk.edu>
To: "Edwin Woollett" <woollett at charter.net>
Cc: "maxima mailing list" <maxima at math.utexas.edu>
Sent: Monday, December 01, 2008 6:59 PM
Subject: Re: [Maxima] sum integrate noun form
OK, let's try funmake(nounify(sum), ['integrate( f, y, y1, y2), m, m1,
m2])). I get
(%i87) istosi('integrate( 'sum( x^n, n, 1, 3), x, 0, 1 ));
sums=sum(x^n,n,1,3)
y=x
y1=0
y2=1
f=x^n
m=n
m1=1
m2=3
(%o87) sum(integrate(x^n,x,0,1),n,1,3)
(%i88) grind(%);
'sum('integrate(x^n,x,0,1),n,1,3)$
Barton
-----maxima-bounces at math.utexas.edu wrote: -----
>that almost gets what I want, but doesn't get the noun form 'sum.
>I want to look at what happens with two separate commands.
>
>%,integrate; --> integral done, but sum not done.
>then
>%,sum; ----> sum finally done.
>-----------------------
>using your funmake(..) line, my program gives
>
>(%i2) display2d:false$
>(%i3) e:'integrate('sum(x^n,n,1,3),x,0,1);
>(%o3) 'integrate('sum(x^n,n,1,3),x,0,1)
>(%i4) istosi(e);
>sums = 'sum(x^n,n,1,3)
>y = x
>y1 = 0
>y2 = 1
>f = x^n
>m = n
>m1 = 1
>m2 = 3
>(%o4) sum('integrate(x^n,x,0,1),n,1,3)
>
>not really a double noun form, since
>
>(%i5) grind(%)$
>sum('integrate(x^n,x,0,1),n,1,3)$