Re: [Numpy-discussion] Should ndarray be a context manager?

2014-12-10 Thread Andrea Gavana
On 10 December 2014 at 20:36, Chris Barker chris.bar...@noaa.gov wrote: On Tue, Dec 9, 2014 at 11:03 PM, Sturla Molden sturla.mol...@gmail.com wrote: Nathaniel Smith n...@pobox.com wrote: @contextmanager def tmp_zeros(*args, **kwargs): arr = np.zeros(*args, **kwargs) try:

Re: [Numpy-discussion] Scipy 0.15.0 beta 1 release

2014-11-25 Thread Andrea Gavana
On 25 November 2014 at 19:33, David Cournapeau courn...@gmail.com wrote: On Tue, Nov 25, 2014 at 6:10 PM, Sturla Molden sturla.mol...@gmail.com wrote: David Cournapeau courn...@gmail.com wrote: Shall we consider a href=https://github.com/scipy/scipy/issues/4168;

[Numpy-discussion] Numpy/Fortran puzzle (?)

2014-08-20 Thread Andrea Gavana
Hi All, I have the following (very ugly) line of code: all_results = np.asarray([transm_hist[date_idx, :, idx_main_set[date_idx] ]*main_flow[date_idx, 0:n_fluids] for date_idx in xrange(n_dates)]) where transm_hist.shape = (n_dates, n_fluids, n_nodes), main_flow.shape = (n_dates, n_fluids)

Re: [Numpy-discussion] Heads-up: Guido van Rossum on mypy-style type annotations...

2014-08-15 Thread Andrea Gavana
On 15 August 2014 20:32, Fernando Perez wrote: Hi folks, [x-posting to numba and numpy lists, discussion should be on the python-ideas list where the python core folks actually reside] just a quick note that Guido has proposed to adopt the mypy model for type annotations in the language:

Re: [Numpy-discussion] Default builds of OpenBLAS development branch are now fork safe

2014-03-28 Thread Andrea Gavana
On 28 March 2014 19:56, Sturla Molden wrote: Matthew Brett matthew.br...@gmail.com wrote: Does anyone know how their performance compares to MKL or the reference implementations? http://eigen.tuxfamily.org/index.php?title=Benchmark Very, very funny and twisted approach to

Re: [Numpy-discussion] Resolving the associativity/precedence debate for @

2014-03-22 Thread Andrea Gavana
Hi, On 22 March 2014 19:13, Nathaniel Smith wrote: Hi all, After 88 emails we don't have a conclusion in the other thread (see [1] for background). But we have to come to some conclusion or another if we want @ to exist :-). So I'll summarize where the discussion stands and let's see if

Re: [Numpy-discussion] Any plans for windows 64-bit installer for 1.7?

2013-02-06 Thread Andrea Gavana
On 6 February 2013 01:55, Chris Barker - NOAA Federal wrote: On Tue, Feb 5, 2013 at 4:32 PM, Matthew Brett matthew.br...@gmail.com wrote: 4) Numpy-MKL requires the Intel runtime DLLs (MKL is linked statically btw). I ship those with the installers and append the directory containing the DLLs

[Numpy-discussion] Correlated distributions (?)

2012-08-16 Thread Andrea Gavana
Hi All, once again, my apologies for a (possibly) very ignorant question, my google-fu is failing me... also because I am not sure of what exactly I should look for. My problem is relatively simple. Let's assume I have two Python objects, A and B, and one of their attributes can assume a

Re: [Numpy-discussion] Fwd: an interesting single-file, cross-platform Python deployment tool.

2012-07-02 Thread Andrea Gavana
On 2 July 2012 22:11, klo uo wrote: On Mon, Jul 2, 2012 at 9:26 PM, Fernando Perez wrote: ANNOUNCING                  eGenix PyRun - One file Python Runtime                              Version 1.0.0           An easy-to-use single file relocatable Python run-time -             available

Re: [Numpy-discussion] Created NumPy 1.7.x branch

2012-06-26 Thread Andrea Gavana
On 26 June 2012 22:39, John Hunter wrote: On Tue, Jun 26, 2012 at 3:27 PM, Thouis (Ray) Jones tho...@gmail.com wrote: +1 ! Speaking as someone trying to get started in contributing to numpy, I find this discussion extremely off-putting.  It's childish, meaningless, and spiteful, and I think

[Numpy-discussion] Fwd: Re: Creating parallel curves

2012-02-13 Thread Andrea Gavana
-- Forwarded message -- From: Andrea Gavana andrea.gav...@gmail.com Date: Feb 13, 2012 11:31 PM Subject: Re: [Numpy-discussion] Creating parallel curves To: Jonathan Hilmer jkhil...@gmail.com Thank you Jonathan for this, it's exactly what I was looking for. I' ll try it tomorrow

Re: [Numpy-discussion] Creating parallel curves

2012-02-12 Thread Andrea Gavana
HI Chris and All, On 10 February 2012 17:53, Chris Barker wrote: Andrea, Basically I have a set of x, y data (around 1,000 elements each) and I want to create 2 parallel curves (offset curves) to the original one; parallel means curves which are displaced from the base curve by a constant

Re: [Numpy-discussion] Creating parallel curves

2012-02-12 Thread Andrea Gavana
Jonathan, On 12 February 2012 20:53, Jonathan Hilmer wrote: Andrea, Here is how to do it with splines.  I would be more standard to return an array of normals, rather than two arrays of x and y components, but it actually requires less housekeeping this way.  As an aside, I would prefer to

Re: [Numpy-discussion] Creating parallel curves

2012-02-12 Thread Andrea Gavana
Charles, On 12 February 2012 21:00, Charles R Harris wrote: On Fri, Feb 10, 2012 at 9:38 AM, Andrea Gavana andrea.gav...@gmail.com wrote: Hi All,    my apologies for my deep ignorance about math stuff; I guess I should be able to find this out but I keep getting impossible results

Re: [Numpy-discussion] Creating parallel curves

2012-02-12 Thread Andrea Gavana
Harris charlesr.har...@gmail.com wrote: On Sun, Feb 12, 2012 at 1:26 PM, Andrea Gavana andrea.gav...@gmail.com wrote: Charles, On 12 February 2012 21:00, Charles R Harris wrote: On Fri, Feb 10, 2012 at 9:38 AM, Andrea Gavana andrea.gav...@gmail.com wrote: Hi All,    my

[Numpy-discussion] Creating parallel curves

2012-02-10 Thread Andrea Gavana
Hi All, my apologies for my deep ignorance about math stuff; I guess I should be able to find this out but I keep getting impossible results. Basically I have a set of x, y data (around 1,000 elements each) and I want to create 2 parallel curves (offset curves) to the original one; parallel

[Numpy-discussion] Crash on (un-orthodox) __import__

2011-10-04 Thread Andrea Gavana
Hi All, I was fiddling here and there with some code doing dynamic import of stuff, and I noticed that this code: import os import sys init_name = rC:\Python27\Lib\site-packages\numpy\__init__.py directory, module_name = os.path.split(init_name) main = os.path.splitext(module_name)[0]

Re: [Numpy-discussion] Statistical distributions on samples

2011-08-15 Thread Andrea Gavana
Hi Chris Brennan, On 15 August 2011 00:59, Brennan Williams wrote: You can use scipy.stats.truncnorm, can't you? Unless I misread, you want to sample a normal distribution but with generated values only being within a specified range? However you also say you want to do this with triangular

Re: [Numpy-discussion] Statistical distributions on samples

2011-08-15 Thread Andrea Gavana
Hi Chris and All, On 12 August 2011 16:53, Christopher Jordan-Squire wrote: Hi Andrea--An easy way to get something like this would be import numpy as np import scipy.stats as stats sigma = #some reasonable standard deviation for your application x = stats.norm.rvs(size=1000, loc=125,

Re: [Numpy-discussion] [ANN] Constrained optimization solver with guaranteed precision

2011-08-15 Thread Andrea Gavana
Hi Dmitrey, 2011/8/15 Dmitrey tm...@ukr.net: Hi all, I'm glad to inform you that general constraints handling for interalg (free solver with guaranteed user-defined precision) now is available. Despite it is very premature and requires lots of improvements, it is already capable of

[Numpy-discussion] Statistical distributions on samples

2011-08-12 Thread Andrea Gavana
Hi All, I am working on something that appeared to be a no-brainer issue (at the beginning), by my complete ignorance in statistics is overwhelming and I got stuck. What I am trying to do can be summarized as follows Let's assume that I have to generate a sample of a 1,000 values for a

Re: [Numpy-discussion] Interpolation question

2010-04-08 Thread Andrea Gavana
(Resending as numpy-discussion has a 40 Kb message limit) On 30 March 2010 22:44, Friedrich Romstedt friedrichromst...@gmail.com wrote: 2010/3/30 Andrea Gavana andrea.gav...@gmail.com: However, from the first 100 or so interpolated simulations, I could gather these findings: 1

Re: [Numpy-discussion] Interpolation question

2010-03-30 Thread Andrea Gavana
Hi Friedrich All, On 30 March 2010 21:48, Friedrich Romstedt wrote: 2010/3/30 Andrea Gavana andrea.gav...@gmail.com: On 29 March 2010 23:44, Friedrich Romstedt wrote: When you have nice results using 40 Rbfs for each time instant, this procedure means that the values for one time instant

Re: [Numpy-discussion] Interpolation question

2010-03-29 Thread Andrea Gavana
Hi All, On 29 March 2010 00:59, Andrea Gavana wrote: On 29 March 2010 00:34, Robert Kern wrote: Scaling each axis by its standard deviation is a typical first start. Shifting and scaling the values such that they each go from 0 to 1 is another useful thing to try. Ah, magnifico! Thank you

Re: [Numpy-discussion] Interpolation question

2010-03-29 Thread Andrea Gavana
Hi Kevin, On 29 March 2010 01:38, Kevin Dunn wrote: Message: 5 Date: Sun, 28 Mar 2010 00:24:01 + From: Andrea Gavana andrea.gav...@gmail.com Subject: [Numpy-discussion] Interpolation question To: Discussion of Numerical Python numpy-discussion@scipy.org Message-ID

Re: [Numpy-discussion] Interpolation question

2010-03-29 Thread Andrea Gavana
Hi Brennan All, On 29 March 2010 00:46, Brennan Williams wrote: Andrea Gavana wrote: As for your question, the parameter are not spread completely randomly, as this is a collection of simulations done over the years, trying manually different scenarios, without having in mind a proper

Re: [Numpy-discussion] Interpolation question

2010-03-29 Thread Andrea Gavana
Hi Chris and All, On 29 March 2010 22:35, Christopher Barker wrote: Andrea Gavana wrote: Scaling each axis by its standard deviation is a typical first start. Shifting and scaling the values such that they each go from 0 to 1 is another useful thing to try. Ah, magnifico! Thank you Robert

Re: [Numpy-discussion] Interpolation question

2010-03-29 Thread Andrea Gavana
On 29 March 2010 23:13, Brennan Williams wrote: Andrea Gavana wrote: Hi Chris and All, On 29 March 2010 22:35, Christopher Barker wrote: Andrea Gavana wrote: Scaling each axis by its standard deviation is a typical first start. Shifting and scaling the values such that they each go from 0

Re: [Numpy-discussion] Interpolation question

2010-03-29 Thread Andrea Gavana
HI Friedrich All, On 29 March 2010 23:44, Friedrich Romstedt wrote: 2010/3/29 Andrea Gavana andrea.gav...@gmail.com: If anyone is interested in a follow up, I have tried a time-based interpolation of my oil profile (and gas and gas injection profiles) using those 40 interpolators (and even

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
On 28 March 2010 08:26, Anne Archibald wrote: On 27 March 2010 20:24, Andrea Gavana andrea.gav...@gmail.com wrote: Hi All,    I have an interpolation problem and I am having some difficulties in tackling it. I hope I can explain myself clearly enough. Basically, I have a whole bunch of 3D

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
HI All, On 28 March 2010 19:22, Robert Kern wrote: On Sun, Mar 28, 2010 at 03:26, Anne Archibald peridot.face...@gmail.com wrote: On 27 March 2010 20:24, Andrea Gavana andrea.gav...@gmail.com wrote: Hi All,    I have an interpolation problem and I am having some difficulties in tackling

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
Hi All, On 28 March 2010 22:14, Pierre GM wrote: On Mar 28, 2010, at 4:47 PM, Andrea Gavana wrote: HI All, On 28 March 2010 19:22, Robert Kern wrote: On Sun, Mar 28, 2010 at 03:26, Anne Archibald peridot.face...@gmail.com wrote: On 27 March 2010 20:24, Andrea Gavana andrea.gav

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
Hi All, On 28 March 2010 22:14, Pierre GM wrote: On Mar 28, 2010, at 4:47 PM, Andrea Gavana wrote: HI All, On 28 March 2010 19:22, Robert Kern wrote: On Sun, Mar 28, 2010 at 03:26, Anne Archibald peridot.face...@gmail.com wrote: On 27 March 2010 20:24, Andrea Gavana andrea.gav

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
HI Brennan, On 28 March 2010 22:50, Brennan Williams wrote: Andrea Gavana wrote: HI All, On 28 March 2010 19:22, Robert Kern wrote: On Sun, Mar 28, 2010 at 03:26, Anne Archibald peridot.face...@gmail.com wrote: On 27 March 2010 20:24, Andrea Gavana andrea.gav...@gmail.com wrote: Hi

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
Hi Brennan All, On 28 March 2010 23:36, Brennan Williams wrote: Andrea Gavana wrote: Let's see a couple of practical examples (I can share the data if someone is interested). Definitely interested in helping solve this one so feel free to email the data (obviously not 1,000 Eclipse smspec

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
Hi Friedrich All, On 28 March 2010 23:51, Friedrich Romstedt wrote: 2010/3/28 Andrea Gavana andrea.gav...@gmail.com: Example 1 # o2 and o3 are the number of production wells, split into 2 # different categories # inj is the number of injection wells # fomts is the final oil recovery rbf

Re: [Numpy-discussion] Interpolation question

2010-03-28 Thread Andrea Gavana
On 29 March 2010 00:34, Robert Kern wrote: On Sun, Mar 28, 2010 at 18:30, Andrea Gavana andrea.gav...@gmail.com wrote: Hi Friedrich All, On 28 March 2010 23:51, Friedrich Romstedt wrote: 2010/3/28 Andrea Gavana andrea.gav...@gmail.com: Example 1 # o2 and o3 are the number of production

[Numpy-discussion] Interpolation question

2010-03-27 Thread Andrea Gavana
Hi All, I have an interpolation problem and I am having some difficulties in tackling it. I hope I can explain myself clearly enough. Basically, I have a whole bunch of 3D fluid flow simulations (close to 1000), and they are a result of different combinations of parameters. I was planning to

Re: [Numpy-discussion] List/location of consecutive integers

2009-05-25 Thread Andrea Gavana
Hi All, On Fri, May 22, 2009 at 11:28 PM, David Warde-Farley wrote: On 22-May-09, at 6:13 PM, Christopher Barker wrote: that's why I put a sys.maxint at the end of the series... Oops! I foolishly assumed the sequence was unaltered. That makes a lot more sense. Thank you guys for your help,

[Numpy-discussion] List/location of consecutive integers

2009-05-22 Thread Andrea Gavana
Hi All, this should be a very easy question but I am trying to make a script run as fast as possible, so please bear with me if the solution is easy and I just overlooked it. I have a list of integers, like this one: indices = [1,2,3,4,5,6,7,8,9,255,256,257,258,10001,10002,10003,10004]

[Numpy-discussion] Little vectorization help...

2008-12-10 Thread Andrea Gavana
Hi All, I am tryin to vectorize 3 nested for loops but I am not having much success. Here is the code I use: import numpy import numpy.ma as masked grid = numpy.zeros((nx, ny), dtype=numpy.float32) xOut = numpy.zeros((nx, ny), dtype=numpy.float32) yOut = numpy.zeros((nx, ny),

[Numpy-discussion] Little vectorization help...

2008-12-10 Thread Andrea Gavana
Hi All, I am tryin to vectorize 3 nested for loops but I am not having much success. Here is the code I use: import numpy import numpy.ma as masked grid = numpy.zeros((nx, ny), dtype=numpy.float32) xOut = numpy.zeros((nx, ny), dtype=numpy.float32) yOut = numpy.zeros((nx, ny),

[Numpy-discussion] Combinations of objects (?)

2008-10-20 Thread Andrea Gavana
Hi All, this is probably a very silly question, but combinatorial math is not exactly my strength and I am not even sure on how to formulate the question. I apologize if it is a very elementary problem. Let's suppose that I have 60 oil wells and 3 surface facilities. Every well must be

Re: [Numpy-discussion] Combinations of objects (?)

2008-10-20 Thread Andrea Gavana
Hi All, On Mon, Oct 20, 2008 at 12:48 PM, Alan G Isaac wrote: On 10/20/2008 5:20 AM Andrea Gavana apparently wrote: this is probably a very silly question, but combinatorial math is not exactly my strength and I am not even sure on how to formulate the question. I apologize

Re: [Numpy-discussion] Minimum distance between 2 paths in 3D

2008-09-28 Thread Andrea Gavana
Hi Rob All, On Sat, Sep 27, 2008 at 4:05 PM, Rob Clewley wrote: Hi Andrea, I was wondering if someone had any suggestions/references/snippets of code on how to find the minimum distance between 2 paths in 3D. Basically, for every path, I have I series of points (x, y, z) and I would

[Numpy-discussion] Minimum distance between 2 paths in 3D

2008-09-27 Thread Andrea Gavana
Hi All, I was wondering if someone had any suggestions/references/snippets of code on how to find the minimum distance between 2 paths in 3D. Basically, for every path, I have I series of points (x, y, z) and I would like to know if there is a better way, other than comparing point by point

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-25 Thread Andrea Gavana
Hi Stefan All, On Sat, May 24, 2008 at 8:11 PM, Stéfan van der Walt wrote: Hi Andrea 2008/5/24 Andrea Gavana [EMAIL PROTECTED]: Number Of Cells: 5 - | Rank | Method Name | Execution Time

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-25 Thread Andrea Gavana
Hi Stefan All, On Sun, May 25, 2008 at 8:59 PM, Stéfan van der Walt wrote: Hi Andrea 2008/5/25 Andrea Gavana [EMAIL PROTECTED]: When you bench the Cython code, you'll have to take out the Python calls (for checking dtype etc.), otherwise you're comparing apples and oranges. After I

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-24 Thread Andrea Gavana
Hi All, On Fri, May 23, 2008 at 4:50 PM, Andrea Gavana wrote: Hi Peter All, On Fri, May 23, 2008 at 4:16 PM, Peter Creasey wrote: Hi Andrea, 2008/5/23 Andrea Gavana [EMAIL PROTECTED]: And so on. The probelm with this approach is that I lose the original indices for which I want all

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-23 Thread Andrea Gavana
Hi Stefan All, On Fri, May 23, 2008 at 1:02 AM, Stéfan van der Walt wrote: Hi Andrea 2008/5/23 Andrea Gavana [EMAIL PROTECTED]: Thank you very much for this! I am going to try it and time it, comparing it with the other implementations. I think I need to study a bit your code as I know

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-23 Thread Andrea Gavana
Hi Peter All, On Fri, May 23, 2008 at 4:16 PM, Peter Creasey wrote: Hi Andrea, 2008/5/23 Andrea Gavana [EMAIL PROTECTED]: And so on. The probelm with this approach is that I lose the original indices for which I want all the inequality tests to succeed: To have the original indices you

[Numpy-discussion] Multiple Boolean Operations

2008-05-22 Thread Andrea Gavana
Hi All, I am building some 3D grids for visualization starting from a much bigger grid. I build these grids by satisfying certain conditions on x, y, z coordinates of their cells: up to now I was using VTK to perform this operation, but VTK is slow as a turtle, so I thought to use numpy to

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-22 Thread Andrea Gavana
Hi Stefan All, On Thu, May 22, 2008 at 12:29 PM, Stéfan van der Walt wrote: Hi Andrea 2008/5/22 Andrea Gavana [EMAIL PROTECTED]: I am building some 3D grids for visualization starting from a much bigger grid. I build these grids by satisfying certain conditions on x, y, z coordinates

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-22 Thread Andrea Gavana
Hi Francesc All, On Thu, May 22, 2008 at 1:04 PM, Francesc Alted wrote: I don't know if this is what you want, but you can get the boolean arrays separately, do the intersection and finally get the interesting values (by using fancy indexing) or coordinates (by using .nonzero()). Here it is

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-22 Thread Andrea Gavana
Hi All, On Thu, May 22, 2008 at 7:46 PM, Robert Kern wrote: On Thu, May 22, 2008 at 12:26 PM, Stéfan van der Walt [EMAIL PROTECTED] wrote: Just to clarify things in my mind: is VTK *that* slow? I find that surprising, since it is written in C or C++. Performance can depend more on the

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-22 Thread Andrea Gavana
Hi Chris and All, On Thu, May 22, 2008 at 8:40 PM, Christopher Barker wrote: Andrea Gavana wrote: By the way, about the solution Francesc posted: xyzReq = (xCent = xMin) (xCent = xMax) \ (yCent = yMin) (yCent = yMax) \ (zCent = zMin) (zCent = zMax) xyzReq

Re: [Numpy-discussion] Multiple Boolean Operations

2008-05-22 Thread Andrea Gavana
Hi Stefan, On Thu, May 22, 2008 at 10:23 PM, Stéfan van der Walt wrote: Hi Andrea 2008/5/22 Andrea Gavana [EMAIL PROTECTED]: By the way, about the solution Francesc posted: xyzReq = (xCent = xMin) (xCent = xMax) \ (yCent = yMin) (yCent = yMax) \ (zCent = zMin

[Numpy-discussion] Linear Interpolation 2

2008-04-29 Thread Andrea Gavana
Hi All, as I didn't get any answer, I thought I might repost with some more analysis the trouble I am having with interp2d. The attached script produces 3 different results depending on the value of the parameter numColumns, i.e.: 1) numColumns = 20 Traceback (most recent call last):

[Numpy-discussion] Linear Interpolation Question

2008-04-28 Thread Andrea Gavana
Hi All, I have 2 matrices coming from 2 different simulations: the first column of the matrices is a date (time) at which all the other results in the matrix have been reported (simulation step). In these 2 matrices, very often the simulation steps do not coincide, so I just want to

[Numpy-discussion] I,J,K Coordinates from Cell ID

2008-02-28 Thread Andrea Gavana
Hi All, I have some problems in figuring out a solution for an issue I am trying to solve. I have a 3D grid of dimension Nx, Ny, Nz; for every cell of this grid, I calculate the cell centroids (with the cell coordinates x, y, and z) and then I try to find which cell centroid is the closest to

[Numpy-discussion] [F2PY]: Allocatable Arrays

2008-02-01 Thread Andrea Gavana
Hi All, I sent a couple of messages to f2py mailing list, but it seems like my problem has no simple solution so I thought to ask for some suggestions here. Basically, I read some huge unformatted binary files which contain time-step data from a reservoir simulation. I don't know the

Re: [Numpy-discussion] [F2PY]: Allocatable Arrays

2008-02-01 Thread Andrea Gavana
a subroutine or from a module). On 2/1/08, Andrea Gavana [EMAIL PROTECTED] wrote: Hi All, I sent a couple of messages to f2py mailing list, but it seems like my problem has no simple solution so I thought to ask for some suggestions here. Basically, I read some huge unformatted