Hi List,
could someone please help a newbie who has problems running sage?
After unpacking the standard 4.5.3 package for 64bit ubuntu linux, i
get the following error when trying to run sage from the terminal. I
am running it on Ubuntu 10.04.1 LTS
Thank you for your help!
---
Hi,
This may be a repeat question, but is there a function to simplify
complex expressions in sage? For example, the input
M = matrix([[e^(2*pi*I*i*j/3) for i in [0..2]] for j in [0..2]]);
M.eigenvalues()
outputs
[-1/2*(-10/9*I*sqrt(3) + 2*I)^(1/3)*(I*sqrt(3) + 1) + 1/3*(I*sqrt(3) -
1)/(-10/9*I
I tried both attempts, but unfortunately both fail:
the first one (using the denominator function) leads to this error:
/TypeError: lcm function not defined for elements of the base ring/
Does this happen, because i have variables in my term?
In this case i would be enough to get a * b as result of
On Sep 27, 2:54 pm, "jerome.p.lefeb...@gmail.com"
wrote:
> Hi,
>
> I'm teaching differential calculus and I'm trying to use sage plotting
> as much as I can.
>
> For example, I want to show the graph of the derivative of |x|.
> What would be the best code to do this?
>
> For example, if I use:
>
thnx, luis,
thats nearly what I'm looking for, but i missed something in my first post.
in my fractions i work with some variable (with are all integer, that's
why I missed this in the beginning)
I'd like to have something like this:
a,b = var('a,b')
v = vector([2/a, 1/ab])
and with the results:
v
Hi,
I'm teaching differential calculus and I'm trying to use sage plotting
as much as I can.
For example, I want to show the graph of the derivative of |x|.
What would be the best code to do this?
For example, if I use:
f(x) = abs(x+1)
g = f.differentiate()
show(plot(g(x),(-2,2)), xmin = -2,xmax
Thanks for the response. The "subs" solution seems to work pretty
well. This will save me a lot of time copying and pasting, then
inserting the number into the variable spot and evaluating. Thanks
again
-mike-
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On Sep 27, 5:53 pm, luisfe wrote:
> On Sep 27, 3:34 pm, Johannes wrote:
>
> > Hi list,
> > is there a way to get a sum of fraction to a common devisor? or even
> > better into a product of a fraction like \frac{1}{something here} and a
> > sum of integers?
> > and my next step would be this, i
On Sep 27, 3:34 pm, Johannes wrote:
> Hi list,
> is there a way to get a sum of fraction to a common devisor? or even
> better into a product of a fraction like \frac{1}{something here} and a
> sum of integers?
> and my next step would be this, i dont have a single value, which i want
> to get as
Hi list,
is there a way to get a sum of fraction to a common devisor? or even
better into a product of a fraction like \frac{1}{something here} and a
sum of integers?
and my next step would be this, i dont have a single value, which i want
to get as the above produkt, but i've got a vector for wich
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