Ok, maybe can you print shape of the {rho} array as calculated my
matlab? I know that sum() in matlab sums over rows (i.e., the first
dimension), but I'm curious if it returns for an, say, (10x20) array
an (20,) array or an (1, 20) array.
And to Josef: cx is an 1d vector, so no. And Hmmm ...
Ok, so I send yet another version. Maybe Bruce is right, but I didn't
care, because we have fret enough. Now it not only computes
something, but also displays something :-(
Nicolas, maybe you can now waste some of your time with it? I was
curious, both to understand and to get it working, but
Thanks and in fact, I already wasted quite some time on and your last version
will help me a lot. Unfortunately, I'm not a specialist at lattice Boltzmann
methods at all so I'm not able to answer your questions (my initial idea was to
convert the matlab script to be have a running example to
On Mon, Mar 15, 2010 at 5:58 PM, Nicolas Rougier
nicolas.roug...@loria.fr wrote:
Thanks and in fact, I already wasted quite some time on and your last version
will help me a lot. Unfortunately, I'm not a specialist at lattice Boltzmann
methods at all so I'm not able to answer your questions
Thanks a lot for the translation.
I think the opp relates to the opp array declared at the top and the
circshift can be made using numpy roll. I modified your translation to include
them.
The results should be something like
http://www.lbmethod.org/openlb/gif/karman.avi (I think) but
On Sun, Mar 14, 2010 at 7:14 AM, Nicolas Rougier
nicolas.roug...@loria.fr wrote:
Thanks a lot for the translation.
I think the opp relates to the opp array declared at the top and the
circshift can be made using numpy roll. I modified your translation to
include them.
The results should
Hello,
I'm trying to translate a small matlab program for the simulation in a 2D flow
in a channel past a cylinder and since I do not have matlab access, I would
like to know if someone can help me, especially on array indexing. The matlab
source code is available at:
Le samedi 13 mars 2010 à 10:20 +0100, Nicolas Rougier a écrit :
Hello,
I'm trying to translate a small matlab program for the simulation in a
2D flow in a channel past a cylinder and since I do not have matlab
access, I would like to know if someone can help me, especially on
array indexing.
Thanks.
I agree that the use of ':' is a bit weird.
Nicolas
On Mar 13, 2010, at 11:45 , Fabrice Silva wrote:
Le samedi 13 mars 2010 à 10:20 +0100, Nicolas Rougier a écrit :
Hello,
I'm trying to translate a small matlab program for the simulation in a
2D flow in a channel past a cylinder
On Sat, Mar 13, 2010 at 4:45 AM, Fabrice Silva si...@lma.cnrs-mrs.fr wrote:
Le samedi 13 mars 2010 à 10:20 +0100, Nicolas Rougier a écrit :
Hello,
I'm trying to translate a small matlab program for the simulation in a
2D flow in a channel past a cylinder and since I do not have matlab
access,
2010/3/13 Nicolas Rougier nicolas.roug...@loria.fr:
I'm trying to translate a small matlab program for the simulation in a 2D
flow in a channel past a cylinder and since I do not have matlab access, I
would like to know if someone can help me, especially on array indexing. The
matlab source
As ux 's shape is (1,lx,ly), ux(:,1,col) is equal to ux(1,1,col) which
is a vector with the elements [ux(1,1,2), ... ux(1,1,ly-1)].
Using : juste after the reshape seems a lit bit silly...
Except that python uses 0-based indexing and does not include the last
number in a slice, while
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