Marshall Hamilton ha scritto:
Perhaps this is the kind of thing you want?
sage: var('x')
sage: f = -x^4 + 9*x^3 - 23*x^2 + 31*x - 15
sage: f.find_maximum_on_interval(0,6)
Is it equivalent to what we get with
plot(f,(0,6)).get_minmax_data()
?
you can get the documentation for that.
Hi.
I have a minor prolem:
I'm going through the sage tutorial and I got a little problem when I try to
create a simple table. I'm trying to do what is going here:
http://www.sagemath.org/doc/tutorial/tour_help.html#functions-indentation-and-counting
when I put the following commands:
for i
Hi Yotam,
On Fri, Nov 27, 2009 at 9:10 PM, Yotam Avital yota...@gmail.com wrote:
Hi.
I have a minor prolem:
I'm going through the sage tutorial and I got a little problem when I try to
create a simple table. I'm trying to do what is going here:
great thanks.
On Fri, Nov 27, 2009 at 3:47 PM, Minh Nguyen nguyenmi...@gmail.com wrote:
Hi Yotam,
On Fri, Nov 27, 2009 at 9:10 PM, Yotam Avital yota...@gmail.com wrote:
Hi.
I have a minor prolem:
I'm going through the sage tutorial and I got a little problem when I try
to
create
Hi Pat,
On Sat, Nov 28, 2009 at 1:36 AM, Pat LeSmithe qed...@gmail.com wrote:
On 11/27/2009 05:47 AM, Minh Nguyen wrote:
On Fri, Nov 27, 2009 at 9:10 PM, Yotam Avital yota...@gmail.com wrote:
for i in range (1,5):
print '%6s %6s %6s'%(i, i^2, i^3)
I think *part* of the problem could be
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Barry Cherkas
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Hi Barry,
On Sat, Nov 28, 2009 at 4:51 AM, Barry Cherkas
barry.cher...@hunter.cuny.edu wrote:
unsubscribe
Barry Cherkas
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Minh Van Nguyen
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Hello.
In the tutorials there is an example for numerical approximation:
var('x y p q')
(x, y, p, q)
eq1 = p+q==9
eq2 = q*y+p*x==-6
eq3 = q*y^2+p*x^2==24
solns = solve([eq1,eq2,eq3,p==1],p,q,x,y, solution_dict=True)
[[s[p].n(30), s[q].n(30), s[x].n(30), s[y].n(30)] for s in solns]
[[1.000,
Hi Yotam,
On Sat, Nov 28, 2009 at 5:03 AM, Yotam Avital yota...@gmail.com wrote:
SNIP
As I far as I can understand, solution_dict tells sage that I want the
output to be in dictionary form(that is, {x:1, y:8 ...})
Yes, you're right.
I also know that the .n(30) tell sage I want the answer
On Nov 27, 10:03 am, Yotam Avital yota...@gmail.com wrote:
Hello.
In the tutorials there is an example for numerical approximation:
var('x y p q')
(x, y, p, q)
eq1 = p+q==9
eq2 = q*y+p*x==-6
eq3 = q*y^2+p*x^2==24
solns = solve([eq1,eq2,eq3,p==1],p,q,x,y, solution_dict=True)
My question is about the syntax and why does this syntax give a numerical
approximation.
To my understanding, solns is contracted from two arrays with p,q,x,y being
the keys (because there are two solutions to the equations set). The part for
s in solns is putting in s ab array, and the part
When I start sage-4.2.1, about 5 seconds after the sage: prompt
appears, I get this:
--
| Sage Version 4.2.1, Release Date: 2009-11-14 |
| Type notebook() for the GUI, and license() for information.
On Fri, Nov 27, 2009 at 3:40 PM, Alex Ghitza aghi...@gmail.com wrote:
When I start sage-4.2.1, about 5 seconds after the sage: prompt
appears, I get this:
--
| Sage Version 4.2.1, Release Date: 2009-11-14
On Fri, Nov 27, 2009 at 03:53:39PM -0800, William Stein wrote:
I've never heard of this. The above could be caused by some file
being corrupted.
Delete $HOME/.sage/temp to get rid of this problem.
Thanks, that did it.
--
Alex Ghitza -- Lecturer in Mathematics -- The University of
Hi,
This is an unavoidable consequence of using Maxima's solve commands, I
think - with multiple equations, Maxima's solve uses things like
algsys, if I'm not mistaken, and those return real solutions if they
can't find symbolic ones.
With one equation the (new) behavior is to not do this
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