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 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: >> http://www.lbmethod.org/openlb/lb.examples.html and below is what I've >> done so far in my translation effort. >> >> In the matlab code, there is a "ux" array of shape (1,lx,ly) and I do >> not understand syntax: "ux(:,1,col)" with "col = [2:(ly-1)]". If >> someone knows, that would help me a lot... > > > 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... > -- > Fabrice Silva > LMA UPR CNRS 7051 > > _______________________________________________ > NumPy-Discussion mailing list > [email protected] > http://mail.scipy.org/mailman/listinfo/numpy-discussion _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
