[Numpy-discussion] Compiling Numpy-1.8.1

2014-07-29 Thread Colin J. Williams

This version of Numpy does not appear to be available as an installable binary. 
 In any event, the LAPACK and other packages do not seem to be available with 
the installable versions.

I understand that Windows Studio 2008 is normally used for Windows compiling. 
Unfortunately, this is no longer available from Microsoft.  The link is 
replaced by a Power Point presentation.

Can anyone suggest an alternative compiler/linker?

Colin W. 
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Re: [Numpy-discussion] length - sticks algorithm

2014-07-29 Thread Robert Kern
On Tue, Jul 29, 2014 at 12:47 PM, Josè Luis Mietta 
joseluismie...@yahoo.com.ar wrote:

  Robert, thanks for your help!

 Now I have:

 * Q nodes (Q stick-stick intersections)
 * a list 'NODES'=[(x,y,i,j)_1,, (x,y,i,j)_Q], where each element
 (x,y,i,j) represent the intersection point (x,y) of the sticks i and j.
 * a matrix 'H' with Q elements {H_k,l}.
 H_k,l=0 if nodes 'k' and 'l' aren't joined by a edge, and H_k,l = R_k,l =
 the electrical resistance associated with the union of the nodes 'k' and
 'l' (directly proportional to the length of the edge that connects these
 nodes).
 * a list 'nodes_resistances'=[R_1, ., R_Q].

 All nodes with 'j' (or 'i') = N+1 have a electric potential 'V' respect
 all nodes with 'j' or 'i' = N.

 Now i must apply NODAL ANALYSIS for determinate the electrical current
 through each of the edges, and the net current (see attached files). I
 have no ideas about how to do that. Can you help me?


Please do not send largish binary attachments to this list. I do not know
off-hand how to do this, but it looks like the EE201 document you attached
tells you how. It is somewhat beyond the scope of this mailing list to help
you understand that document, sorry.

-- 
Robert Kern
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Re: [Numpy-discussion] Compiling Numpy-1.8.1

2014-07-29 Thread Olivier Grisel
2014-07-29 14:24 GMT+02:00 Colin J. Williams c...@ncf.ca:

 This version of Numpy does not appear to be available as an installable 
 binary.  In any event, the LAPACK and other packages do not seem to be 
 available with the installable versions.

 I understand that Windows Studio 2008 is normally used for Windows compiling. 
 Unfortunately, this is no longer available from Microsoft.  The link is 
 replaced by a Power Point presentation.

 Can anyone suggest an alternative compiler/linker?

The web installers for MSVC Express 2008 is still online at:
http://go.microsoft.com/?linkid=7729279

FYI I recently update the scikit-learn documentation for building
under windows, both for Python 2 and Python 3 as well as 32 bit and 64
bit architectures:

http://scikit-learn.org/stable/install.html#building-on-windows

The same build environment should work for numpy (I think).

-- 
Olivier
http://twitter.com/ogrisel - http://github.com/ogrisel
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Re: [Numpy-discussion] Compiling Numpy-1.8.1

2014-07-29 Thread Colin J. Williams
Oliver,

Thanks.  I've installed Windows Studio 2008 Express.

I'll read your building on Winods Document.

Colin W.


On 29 July 2014 08:50, Olivier Grisel olivier.gri...@ensta.org wrote:

 2014-07-29 14:24 GMT+02:00 Colin J. Williams c...@ncf.ca:
 
  This version of Numpy does not appear to be available as an installable
 binary.  In any event, the LAPACK and other packages do not seem to be
 available with the installable versions.
 
  I understand that Windows Studio 2008 is normally used for Windows
 compiling. Unfortunately, this is no longer available from Microsoft.  The
 link is replaced by a Power Point presentation.
 
  Can anyone suggest an alternative compiler/linker?

 The web installers for MSVC Express 2008 is still online at:
 http://go.microsoft.com/?linkid=7729279

 FYI I recently update the scikit-learn documentation for building
 under windows, both for Python 2 and Python 3 as well as 32 bit and 64
 bit architectures:

 http://scikit-learn.org/stable/install.html#building-on-windows

 The same build environment should work for numpy (I think).

 --
 Olivier
 http://twitter.com/ogrisel - http://github.com/ogrisel
 ___
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Re: [Numpy-discussion] length - sticks algorithm

2014-07-29 Thread Derek Homeier
On 29 Jul 2014, at 02:43 pm, Robert Kern robert.k...@gmail.com wrote:

 On Tue, Jul 29, 2014 at 12:47 PM, Josè Luis Mietta 
 joseluismie...@yahoo.com.ar wrote:
 Robert, thanks for your help!
 
 Now I have: 
 
 * Q nodes (Q stick-stick intersections)
 * a list 'NODES'=[(x,y,i,j)_1,, (x,y,i,j)_Q], where each element 
 (x,y,i,j) represent the intersection point (x,y) of the sticks i and j.
 * a matrix 'H' with Q elements {H_k,l}. 
 H_k,l=0 if nodes 'k' and 'l' aren't joined by a edge, and H_k,l = R_k,l = the 
 electrical resistance associated withthe union of the nodes 'k' and 'l' 
 (directly proportional to the length of the edge that connects these nodes).
 * a list 'nodes_resistances'=[R_1, ., R_Q].
 
 All nodes with 'j' (or 'i') = N+1 have a electric potential 'V' respect all 
 nodes with 'j' or 'i' = N.
 
 Now i must apply NODAL ANALYSIS for determinate the electrical current 
 through each of the edges, and the net current (see attached files). I have 
 no ideas about how to do that. Can you help me? 
 
 Please do not send largish binary attachments to this list. I do not know 
 off-hand how to do this, but it looks like the EE201 document you attached 
 tells you how. It is somewhat beyond the scope of this mailing list to help 
 you understand that document, sorry.
 
And it is not a good idea to post copyrighted journal articles to a list where 
they will end
up in a public list archive (even if not immediately recognisable so).

Derek

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