One of the issues right now is that sage's piecewise is a completely
separate class then the rest of the calculus library. I think it
should descend from symbolic expression and be on the same level as,
e.g. sin and addition (and probably even have a pynac counterpart).
Letting the operands
On Nov 24, 2008, at 5:04 AM, Ondrej Certik wrote:
On Mon, Nov 24, 2008 at 1:25 PM, David Joyner [EMAIL PROTECTED]
wrote:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED]
wrote:
Hi,
when I use regular expressions, I can use .subs():
sage: e = x+y
sage: e.subs(x=y)
On Tue, Nov 25, 2008 at 3:15 AM, Ondrej Certik [EMAIL PROTECTED] wrote:
One of the issues right now is that sage's piecewise is a completely
separate class then the rest of the calculus library. I think it
Just for the record, this is because Piecewise was implemented long
long ago by David
On Tue, Nov 25, 2008 at 3:13 PM, William Stein [EMAIL PROTECTED] wrote:
On Tue, Nov 25, 2008 at 3:15 AM, Ondrej Certik [EMAIL PROTECTED] wrote:
One of the issues right now is that sage's piecewise is a completely
separate class then the rest of the calculus library. I think it
Just for the
On Tue, 25 Nov 2008 12:15:41 +0100
Ondrej Certik [EMAIL PROTECTED] wrote:
One of the issues right now is that sage's piecewise is a completely
separate class then the rest of the calculus library. I think it
should descend from symbolic expression and be on the same level as,
e.g. sin
On Tue, Nov 25, 2008 at 11:00 PM, Burcin Erocal [EMAIL PROTECTED] wrote:
On Tue, 25 Nov 2008 12:15:41 +0100
Ondrej Certik [EMAIL PROTECTED] wrote:
One of the issues right now is that sage's piecewise is a completely
separate class then the rest of the calculus library. I think it
On Mon, 24 Nov 2008 12:19:55 +0100
Ondrej Certik [EMAIL PROTECTED] wrote:
Hi,
when I use regular expressions, I can use .subs():
sage: e = x+y
sage: e.subs(x=y)
2*y
but not with Piecewise:
sage: var(h H x y)
(h, H, x, y)
sage: u = Piecewise([((0, h), x/h), ((h, H), 1)])
sage:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED] wrote:
Hi,
when I use regular expressions, I can use .subs():
sage: e = x+y
sage: e.subs(x=y)
2*y
but not with Piecewise:
sage: var(h H x y)
(h, H, x, y)
sage: u = Piecewise([((0, h), x/h), ((h, H), 1)])
I don't think
On Mon, Nov 24, 2008 at 7:25 AM, David Joyner [EMAIL PROTECTED] wrote:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED] wrote:
Hi,
when I use regular expressions, I can use .subs():
sage: e = x+y
sage: e.subs(x=y)
2*y
but not with Piecewise:
sage: var(h H x y)
(h, H,
On Mon, Nov 24, 2008 at 1:25 PM, David Joyner [EMAIL PROTECTED] wrote:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED] wrote:
Hi,
when I use regular expressions, I can use .subs():
sage: e = x+y
sage: e.subs(x=y)
2*y
but not with Piecewise:
sage: var(h H x y)
(h, H,
On Mon, Nov 24, 2008 at 2:15 PM, David Joyner [EMAIL PROTECTED] wrote:
On Mon, Nov 24, 2008 at 7:25 AM, David Joyner [EMAIL PROTECTED] wrote:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED] wrote:
Hi,
when I use regular expressions, I can use .subs():
sage: e = x+y
sage:
On Mon, 24 Nov 2008 14:04:53 +0100
Ondrej Certik [EMAIL PROTECTED] wrote:
On Mon, Nov 24, 2008 at 1:25 PM, David Joyner [EMAIL PROTECTED]
wrote:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED]
wrote:
Hi,
when I use regular expressions, I can use .subs():
sage:
On Mon, Nov 24, 2008 at 3:08 PM, Burcin Erocal [EMAIL PROTECTED] wrote:
On Mon, 24 Nov 2008 14:04:53 +0100
Ondrej Certik [EMAIL PROTECTED] wrote:
On Mon, Nov 24, 2008 at 1:25 PM, David Joyner [EMAIL PROTECTED]
wrote:
On Mon, Nov 24, 2008 at 6:19 AM, Ondrej Certik [EMAIL PROTECTED]
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