On Mon, Feb 4, 2013 at 7:21 PM, Oscar Benjamin
wrote:
> eigenvalues, eigenvectors = np.linalg.eig(C)
First sort by eigenvalue magnitude:
>>> idx = np.argsort(eigenvalues)[::-1]
>>> print idx
[ 0 1 2 3 8 10 11 12 14 22 20 21 18 19 23 24 17 16 15 13 9 7 5 6 4]
>>> eigenva
On 02/04/2013 12:52 PM, Ghadir Ghasemi wrote:
hi guys, this is the first bit of my program converting from binary to decimal
without use of built in functions.
binnum = input("Please enter a binary number: ")
decnum = 0
rank = 1
for i in reversed(binnum):
decnum += rank * int(i)
ran
On Mon, Feb 4, 2013 at 7:04 PM, Dave Angel wrote:
>> Nope, in both Python 2 and 3 iterating over a dict directly just
>> provides the key. That's also how "if key in dict" works.
A dict implements __contains__ for an efficient "in" test. In general,
the interpreter falls back to using iteration i
On 4 February 2013 06:24, Gayathri S wrote:
> Hi All!
> If i have data set like this means...
>
> 3626,5000,2918,5000,2353,2334,2642,1730,1687,1695,1717,1744,593,502,493,504,449,431,444,444,429,10
> 438,498,3626,3629,5000,2918,5000,2640,2334,2639,1696,1687,1695,1717,1744,592,502,49
On 02/04/2013 06:18 PM, Steven D'Aprano wrote:
On 05/02/13 09:26, Dave Angel wrote:
Another point. I don't currently have Python 3.x installed, but I seem to
remember that in Python 3 you can use the dict itself as an iterator
providing both key and value. If I'm right, then it could be simplif
On 05/02/13 09:26, Dave Angel wrote:
Another point. I don't currently have Python 3.x installed, but I seem to
remember that in Python 3 you can use the dict itself as an iterator
providing both key and value. If I'm right, then it could be simplified
further to:
for i, (k, v) in enumerate(dat
On 02/04/2013 12:58 PM, Modulok wrote:
Hmm.. no kidding. Well, at least I knew I was over-complicating it.
Cheers!
-Modulok-
Please don't top-post.
Another point. I don't currently have Python 3.x installed, but I seem
to remember that in Python 3 you can use the dict itself as an iterator
> How to do PCA on this data? if it is in array how to do that? and also how
> to use princomp() in PCA?
Principal component analysis,
http://en.wikipedia.org/wiki/Principal_component_analysis
may not be "built in". Do you know for sure that it is? According to
this blog entry, you can do
On Mon, Feb 4, 2013 at 6:52 PM, Ghadir Ghasemi
wrote:
> hi guys, this is the first bit of my program converting from binary to
> decimal without use of built in functions.
>
> binnum = input("Please enter a binary number: ")
> decnum = 0
> rank = 1
>
> for i in reversed(binnum):
> decnum +=
Hmm.. no kidding. Well, at least I knew I was over-complicating it.
Cheers!
-Modulok-
On 2/4/13, Dave Angel wrote:
> On 02/04/2013 12:13 PM, Modulok wrote:
>> List,
>>
>> Simple question: Is there a common pattern for iterating a dict, but also
>> providing access to an iteration counter? Here'
hi guys, this is the first bit of my program converting from binary to decimal
without use of built in functions.
binnum = input("Please enter a binary number: ")
decnum = 0
rank = 1
for i in reversed(binnum):
decnum += rank * int(i)
rank *= 2
print(decnum).
When I first tested the
On 4 February 2013 15:32, Albert-Jan Roskam wrote:
> I am using git VCS and I read about the possibility to use post-commit hooks
> for nose tests. That sounds pretty cool, but does this also have
> disadvantages?
> It would be very annoying if I couldn't check in code, safely tucked away on
>
On 02/04/2013 12:13 PM, Modulok wrote:
List,
Simple question: Is there a common pattern for iterating a dict, but also
providing access to an iteration counter? Here's what I usually do (below). I'm
just wondering if there are other, more clever ways::
data = {'a': "apple", 'b': "banana",
List,
Simple question: Is there a common pattern for iterating a dict, but also
providing access to an iteration counter? Here's what I usually do (below). I'm
just wondering if there are other, more clever ways::
data = {'a': "apple", 'b': "banana", 'c': "cherry"}
i = 0
for k,v in da
Dear David,
Many thanks for this information.
It was exactly what I needed.
It anyone wants Emacs editor for MAC OS X 10.6, this is the place to
find it.
I would also like to say that I am deeply impressed with the knowledge
and generosity of the people on this list.
Thanks.
Sydney
On 04/
Hi,
I am using git VCS and I read about the possibility to use post-commit hooks
for nose tests. That sounds pretty cool, but does this also have disadvantages?
It would be very annoying if I couldn't check in code, safely tucked away on
some server, that is not yet working. Is there also a way
* Shall, Sydney [2013-02-03 16:47]:
>
> On 03/02/2013 13:13, Jonatán Guadamuz wrote:
> > El 03/02/2013, a las 06:53 a.m., "Shall, Sydney"
> > escribió:
> >
> >> Dear Alan,
> >> I installed Cocoa emacs successfully.
> >> But it does not run on OS X 10.6.8.
> >> The notes with it say that it was b
On 04/02/13 17:24, Gayathri S wrote:
Hi All!
If i have data set like this means...
3626,5000,2918,5000,2353,2334,2642,[...],496.
No need to dump your entire data set on us. Just a few representative
values will do.
How to do PCA on this data? if it is in array how to do tha
On 04/02/13 22:12, Spyros Charonis wrote:
Thank you Alan, Steven,
I don't care about the characters from the pickle operation per se, I just
want the list to be stored in its native format.
That's an in-memory binary format. There is no way to get access to that from
pure Python code. You may
On 04/02/13 11:12, Spyros Charonis wrote:
What I am trying to do is basically the Unix shell equivalent of: "Unix
command" > newfile.txt
That works just fine with Python too. Just print to stdout in whatever
format you want and redirect the output to a file
$ python myscript.py > myfile.tx
Thank you Alan, Steven,
I don't care about the characters from the pickle operation per se, I just
want the list to be stored in its native format.
What I am trying to do is basically the Unix shell equivalent of: "Unix
command" > newfile.txt
I am trying to store the list that I get from my code
On 04/02/13 06:24, Gayathri S wrote:
Hi All!
If i have data set like this means...
3626,5000,2918,5000,2353,2334,2642,1730,1687,1695,1717,1744,593,502,493,504,449,431,444,444,429,10
...
458,5022,3640,3644,5000,2922,5000,2346,2321,2628,1688,1666,1674,1696,744,590,496.
How to d
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