On Wed, Apr 16, 2008 at 11:26:16PM +0200, Ondrej Certik wrote:
On Wed, Apr 16, 2008 at 2:22 PM, Kirill Smelkov
[EMAIL PROTECTED] wrote:
Hi,
On Wed, Apr 16, 2008 at 01:32:14PM +0200, Ondrej Certik wrote:
[...]
You can download sympy from Debian:
On Fri, Apr 18, 2008 at 10:53:41AM +0200, Friedrich Hagedorn wrote:
On Thu, Apr 17, 2008 at 04:02:54PM +0200, Ondrej Certik wrote:
On Thu, Apr 17, 2008 at 3:48 PM, Kirill Smelkov
[EMAIL PROTECTED] wrote:
On Thu, Apr 17, 2008 at 03:24:33PM +0200, Ondrej Certik wrote:
On
On Thu, Apr 17, 2008 at 04:02:54PM +0200, Ondrej Certik wrote:
On Thu, Apr 17, 2008 at 3:48 PM, Kirill Smelkov
[EMAIL PROTECTED] wrote:
On Thu, Apr 17, 2008 at 03:24:33PM +0200, Ondrej Certik wrote:
On Thu, Apr 17, 2008 at 3:19 PM, Fredrik Johansson
[EMAIL PROTECTED] wrote:
On Fri, Apr 18, 2008 at 11:20 AM, Friedrich Hagedorn [EMAIL PROTECTED] wrote:
On Fri, Apr 18, 2008 at 10:53:41AM +0200, Friedrich Hagedorn wrote:
On Thu, Apr 17, 2008 at 04:02:54PM +0200, Ondrej Certik wrote:
On Thu, Apr 17, 2008 at 3:48 PM, Kirill Smelkov
[EMAIL PROTECTED]
On Thu, Apr 17, 2008 at 10:45 AM, Friedrich Hagedorn [EMAIL PROTECTED] wrote:
Hello again,
I have one more task for subs. Supose one have a term and a function
like this:
In [1]: fxy = f(x) + f(y)
In [2]: g = Lambda(x, x + x**2)
And now I want to do easily
In [4]: fxy.subs(f,
On Thu, Apr 17, 2008 at 6:23 PM, Friedrich Hagedorn [EMAIL PROTECTED] wrote:
Hello,
this term manipulation with collect() is wrong:
In [1]: y*z**2 + z**2*x*y
Out[1]:
22
y*z + x*y*z
In [2]: collect(y*z**2 + z**2*x*y, y*z)
Out[2]:
2 2
y *z *(1 + x)
Indeed!
On Thu, Apr 17, 2008 at 11:59 AM, Friedrich Hagedorn [EMAIL PROTECTED] wrote:
Hello,
I think this should be done in the reverse order:
In [15]: (x+y).subs([(y,x**2), (x,2)])
Out[15]:
2
2 + x
In [16]: (x+y).subs([(x,2), (y,x**2)])
Out[16]: 6
I think so too. This is now:
On Wed, Apr 16, 2008 at 4:16 PM, Friedrich Hagedorn [EMAIL PROTECTED] wrote:
On Wed, Apr 16, 2008 at 03:48:20PM +0200, Ondrej Certik wrote:
That's the automatic evaluation:
In [1]: L, C = symbols(LC)
In [2]: sqrt(L/C)
Out[2]:
⎽⎽⎽
╲╱ L
─
⎽⎽⎽
╲╱ C
In
On 17 Apr., 15:58, Ondrej Certik [EMAIL PROTECTED] wrote:
BTW, I think we should also implement the rest of the useful functions
from numpy in sympy as well -- it'd be useful to have it in pure
python and those who want speed too will just install numpy and it'd
have the same
On Fri, Apr 18, 2008 at 03:12:03PM +0200, Ondrej Certik wrote:
On Wed, Apr 16, 2008 at 4:16 PM, Friedrich Hagedorn [EMAIL PROTECTED] wrote:
On Wed, Apr 16, 2008 at 03:48:20PM +0200, Ondrej Certik wrote:
That's the automatic evaluation:
In [1]: L, C = symbols(LC)
In [2]:
On Fri, Apr 18, 2008 at 01:36:40PM -0700, d wrote:
just some basic follow-up:
(1) regarding the subscripting:
(1a) Ondrej's output on my browser is:
In [5]: Symbol(F_x)
Out[5]: Fₓ
Thats nice, but
In [165]: Symbol('F_B')
Out[165]: F_B
dont work.
Friedrich
On Fri, Apr 18, 2008 at 10:55:11PM +0200, Friedrich Hagedorn wrote:
On Fri, Apr 18, 2008 at 01:36:40PM -0700, d wrote:
just some basic follow-up:
(1) regarding the subscripting:
(1a) Ondrej's output on my browser is:
In [5]: Symbol(F_x)
Out[5]: Fₓ
Thats nice, but
In
On Fri, Apr 18, 2008 at 11:45:57PM +0200, Friedrich Hagedorn wrote:
On Fri, Apr 18, 2008 at 03:09:39PM +0200, Ondrej Certik wrote:
On Thu, Apr 17, 2008 at 11:59 AM, Friedrich Hagedorn [EMAIL PROTECTED]
wrote:
Hello,
I think this should be done in the reverse order:
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