Near the beginning of file test_matrix.py from scipy are the lines
import scipy.base
reload(scipy.base)
from scipy.base import *
del sys.path[0]
Could someone please explain why the first two lines were included? A
similar script I wrote works fine without them. Also, what is the
purpose of the "
Harry George wrote:
> "Dave Potts" <[EMAIL PROTECTED]> writes:
>
> > Hi,
> >
> > I'm just starting a development project in Python having spent time in
> > the Java world. I was wondering what tool advice you could give me
> > about setting up a continuous integration environment for the python
>
At http://www-03.ibm.com/developerworks/blogs/page/davidmertz David
Mertz writes
"Presumably with 2.7 (and later 2.x versions), there will be a means of
warning developers of constructs that are likely to cause porting
issues [to Python 3000]. In the simplest case, this will include
deprecated fun
[EMAIL PROTECTED] wrote:
> does any one know where can I get older version of python for windows?
>
> I am looking for versions between 2.0 and 2.2.
http://www.python.org/download/releases/
--
http://mail.python.org/mailman/listinfo/python-list
If the company is so good, why does it hire recruiters like you?
It is rude to SHOUT your subject in all caps.
Your subject conveys nothing more than "Python job offered".
You should have mentioned in the subject that the job is in Hyderabad,
because even most readers of this group looking for j
BJörn Lindqvist wrote:
> On 10/20/06, Brett Cannon <[EMAIL PROTECTED]> wrote:
> > At the beginning of the month the PSF Infrastructure committee announced
> > that we had reached the decision that JIRA was our recommendation for the
> > next issue tracker for Python development.
I wonder if the co
Cliff Wells wrote:
> On Mon, 2006-11-06 at 18:20 -0800, Beliavsky wrote:
> > Carl J. Van Arsdall wrote:
> >
> >
> >
> > > Pyro is fucking amazing and has been a great help to a couple of our
> > > projects.
> >
> > You should watch your
A Parade of New Features Debuts in Python 2.5
by Gigi Sayfan
"Python 2.5 still has the smell of fresh paint but it's the perfect
time to drill down on the most important new features in this
comprehensive release. Read on for detailed explanations and examples
of exception handling, resource manage
erikcw wrote:
> Hi all,
>
> I have a collection of ordered numerical data in a list.
Called a "time series" in statistics.
> The numbers
> when plotted on a line chart make a low-high-low-high-high-low (random)
> pattern. I need an algorithm to extract the "significant" high and low
> points fr
sam wrote:
> hello all,
>
> i am currently in the process of planning a piece of software to model
> polymerisation kinetics, and intend to use python for all the
> high-level stuff. the number-crunching is something i would prefer to
> do in fortran (which i have never used, but will learn), but
Intel has introduced something called CESR, written in Python, to aid
C, C++, and Fortran programmers in reducing the sizes of programs
included in bug reports. Here is a brief description from
http://cache-www.intel.com/cd/00/00/21/93/219320_relnotes_10.pdf :
"Compiler Error Source Reducer (CESR)
Ray Tomes wrote:
> Hi Folks
>
> I am an old codger who has much experience with computers
> in the distant past before all this object oriented stuff.
> Also I have loads of software in such languages as FORTRAN
> and BASIC, QBASIC etc that is very useful except that it
> really doesn't like to run
[EMAIL PROTECTED] wrote:
> GMPY binaries for Python 2.5 are available at
> http://home.comcast.net/~casevh/
"The General Multiprecision PYthon project (GMPY) focuses on
Python-usable modules providing multiprecision arithmetic functionality
to Python programmers."
A sign of Python's health is tha
I think I read a suggestion somewhere to wrap the code where a Python
script starts in a main() function, so one has
def main():
print "hi"
main()
instead of
print "hi"
What are the advantages of doing this?
--
http://mail.python.org/mailman/listinfo/python-list
Paul Rubin wrote:
> I'm doing something where I frequently but unpredictably (i.e. I can't
> plan for it in advance) hit a snag that requires me to rebuild a large
> project. The rebuild takes a couple hours. During that time, I'm
> twiddling my thumbs and/or posting here, i.e. not getting anythi
I have gotten some Python tasks done at http://www.rentacoder.com.
Progammers are cheaper outside the U.S. and Western Europe, and you can
get a lot done for even $100.
--
http://mail.python.org/mailman/listinfo/python-list
Stefan Behnel wrote:
> [EMAIL PROTECTED] wrote:
> > I need to do a quadratic optimization problem in python where the
> > constraints are quadratic and objective function is linear.
> >
> > What are the possible choices to do this.
>
> Too bad these homework assignments get trickier every time, isn
Will McGugan wrote:
> Steve Bergman wrote:
> > Just wanted to report a delightful little surprise while experimenting
> > with psyco.
> > The program below performs astonoshingly well with psyco.
> >
> > It finds all the prime numbers < 10,000,000
>
> Actualy, it doesn't. You forgot 1 and 2.
The n
Robert Kern wrote:
> Grant Edwards wrote:
> > How do you print a numpy array?
> >
> > I tried the obvious print a, print `a`, and print str(a), but
> > none of them work on anything other than trivially small
> > arrays. Most of my real data is elided and replaced with
> > ellipses.
>
> You might
Thomas Guettler wrote:
> Hi,
>
> The function len() is not mentioned in the Python 3000 PEPs.
>
> I suggest that at least lists, tupples, sets, dictionaries and strings
> get a len() method. I think the len function can stay, removing it
> would break to much code. But adding the method, would bu u
mwojc wrote:
> Hi!
> I released feed-forward neural network for python (ffnet) project at
> sourceforge. Implementation is extremelly fast (code written mostly in
> fortran with thin python interface, scipy optimizers involved) and very
> easy to use.
> I'm announcing it here because you, folks, a
Carl Banks wrote:
> Niels L Ellegaard wrote:
> > Marc 'BlackJack' Rintsch wrote:
> > > In <[EMAIL PROTECTED]>, Niels L
> > > Ellegaard wrote:
> > > > I have been using scipy for some time now, but in the beginning I made
> > > > a few mistakes with copying by reference.
> > > But "copying by refer
I came across SAGE "Software for Algebra and Geometry Experimentation"
http://sage.math.washington.edu/sage/ , which includes Python and
Numeric and consists of
Group theory and combinatorics -- GAP
Symbolic computation and Calculus -- Maxima
Commutative algebra -- Singular
Number theory -- PARI,
Brian Blais wrote:
> Hello,
>
> I have a couple of classes where I teach introductory programming using
> Python. What
> I would love to have is for the students to go through a lot of very small
> programs,
> to learn the basic programming structure. Things like, return the maximum in
> a lis
Evan wrote:
> In matlab I can do the following:
>
> >> ind = [3,5,7,2,4,7,8,24]
> ind = 3 5 7 2 4 7 824
> >> ind(1) ans = 3
> >> ind(end) ans =24
> >> ind([1 end]) ans = 324
>
> but I can't get the last line in python:
>
> In [690]: ind =
Stef Mientki wrote:
> hi All,
>
> instead of questions,
> my first success story:
>
> I converted my first MatLab algorithm into Python (using SciPy),
> and it not only works perfectly,
> but also runs much faster:
>
> MatLab: 14 msec
> Python: 2 msec
For times this small, I wonder if timing com
If in the newsgroup comp.lang.x somone asks how to do y, and you
suggest using language z, without answering their question, which was
how to do it in x, you will likely just annoy people and perhaps make
it even less likely that they will try z.
I have my own favorite language z and have not alwa
Thomas Ploch wrote:
> Jonathan Smith schrieb:
> > Thomas Ploch wrote:
> >> [EMAIL PROTECTED] schrieb:
> >>> I'm still pretty new to Python. I'm writing a function that accepts
> >>> thre integers as arguments. I need to divide the first integer by te
> >>> second integer, and get a float as a resu
I have posted your essay in a thread "Python for Fortran programmers"
in comp.lang.fortran since it is written in part for a Fortran
audience, and since you are more likely to get critical (but hopefully
constructive) comments there.
--
http://mail.python.org/mailman/listinfo/python-list
Dennis Lee Bieber wrote:
>F90/F95 is scary, isn't it...
>F77 wasn't that big a change from FORTRAN-IV (F66) (hmmm, we're due
> for another standard, aren't we? 1966, 1977, 1990 [95 was a tweak]...)
Fortran 2003 is the latest standard -- see
http://www.fortran.com/fortran/fcd_ann
Using Python 2.4 on Windows, for me the command
print os.stat("temp.txt")[stat.ST_MTIME]
gives
1115478343 ,
which is "seconds since the epoch". How can I get the modification time
in a format such as
05/07/2005 11:05 AM
as in Windows with the dir command? Ideal would be a tuple of 6 values,
[EMAIL PROTECTED] wrote:
> 2. Trust me (and other Python programmers most likely would agree)
this
> type of error happens much more seldom then newbies (especially
coming
> from strongly typed languages) imagine while adjusting to the
language.
>
> 3. Python advantages "overpower" drawbacks 10
Shane Hathaway wrote:
> > Please could somebody explain to us non-CS people why PyPy could
> > have speed features CPython can't have?
>
> The idea is to shift more of the responsibility to optimize code from
> the human to the computer. Since C code is at a low level, the
computer
> can only i
Thomas G. Marshall wrote:
> > I am not familiar with modern Fortran. Surely it at least has argument
> > prototyping by now?
Since the 1990 standard, if Fortran subroutines and functions are
placed in MODULEs, or if INTERFACEs are provided, the compiler checks
that procedures are called with the
wooks wrote:
> I thought that posting a link that contained the word ebay and a
> subject title of Python Developers Handbook conveyed all the relevant
> information and didn't want to patronise the NG.
>
> I have had 110 hits on the item but seem to have upset 3 people.
This statement shows a mis
ross wrote:
> Roose wrote:
> > Why do people keep asking what language to use for certain things in the
> > Python newsgroup? Obviously the answer is going to biased.
> >
> > Not that it's a bad thing because I love Python, but it doesn't make sense
> > if you honestly want an objective opinion.
>
How can I replace multiple consecutive spaces in a file with a single
character (usually a space, but maybe a comma if converting to a CSV
file)? Ideally, the Python program would not compress consecutive
spaces inside single or double quotes. An inelegant method is to
repeatedly replace two consec
On Jul 13, 11:58 pm, sturlamolden <[EMAIL PROTECTED]> wrote:
> In Fortran you can only pass references.
>
> integer(4) :: a
> a = 1
> call bar(a)
>
> subroutine bar(a)
> integer(4) :: a
> a = 0 ! side-effect
> end subroutine
>
> That means, when a variable is used to call a function,
On Apr 14, 6:21 am, [EMAIL PROTECTED] wrote:
> Hello. Please tell me whether this feature request is sane (and not
> done before) for python so it can be posted to the python-dev mailing
> list. I should say first that I am not a professional programmer with
> too much technical knowledge.
>
> I wo
On Apr 27, 1:32 am, [EMAIL PROTECTED] (Alex Martelli) wrote:
> Michael Hoffman <[EMAIL PROTECTED]> wrote:
> > [EMAIL PROTECTED] wrote:
> > > Thanks - you have covered a fair bit of gorund here - I will modify
> > > myRange taking your suggestions into account. The one suggestion that
> > > I'm goin
On Apr 27, 6:17 pm, Stef Mientki <[EMAIL PROTECTED]>
wrote:
> Portable SciPy, is an easy installer of SciPy for M$ windows users.
If you have an announcement for Windows users, I suggest that you not
needlessly turn them off by abbreviating Microsoft as M$ . You don't
like Windows, but many of us
On Apr 28, 4:05 pm, [EMAIL PROTECTED] (Alex Martelli) wrote:
> John Nagle <[EMAIL PROTECTED]> wrote:
>
> > I'd have to consider that a bug.
>
> > Some very early FORTRAN compilers allowed you to redefine
> > integer constants:
>
> > CALL SET(25,99)
> > WRITE (6,100) 25
> >
Off-topic, but maybe as practical as "[making] your own Python build
from altered source." ---
Fortran 95 (and earlier versions) has single and double precision
floats. One could write a Fortran code with variables declared REAL,
and compilers will by default treat the REALs as single precision, b
On May 15, 1:30 am, Anthony Irwin <[EMAIL PROTECTED]> wrote:
> #5 someone said that they used to use python but stopped because the
> language changed or made stuff depreciated (I can fully remember
> which) and old code stopped working. Is code written today likely to
> still work in 5+ years o
On May 16, 2:45 pm, "Cameron Laird" <[EMAIL PROTECTED]> wrote:
> QOTW: "Sometimes you just have to take the path of least distaste". - Grant
> Edwards
>
> "I want to choose my words carefully here, so I'm not misunderstood.
I think Cameron Laird does a good job with the Python digest but
blun
On May 18, 9:22 am, [EMAIL PROTECTED] wrote:
> You're probably right, but this week has been pretty bad. Every few
> posts there's another porn or boob related link. Sheesh!
>
> Mike
I wish Google Groups were enhanced to let users block messages
according to
(1) "keywords"
(2) average ranking
On May 18, 3:04 pm, scott <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I have been looking at the various programming languages available. I
> have programed in Basic since I was a teenager and I also have a basic
> understanding of C, but I want something better.
>
> Can anybody tell
On Jul 23, 1:27 pm, [EMAIL PROTECTED] (Cameron Laird) wrote:
> Autodidacticism is an alternative; feel free to regard
> http://wiki.python.org/moin/PythonTraining> as a member of
> that class.
>
> If you, for example, were to teach yourself Python, then
> volunteer with prominent extensions or
On Aug 15, 10:47 am, "Shawn Milochik" <[EMAIL PROTECTED]> wrote:
> If I could have only one book, I would buy "Core Python, Second
> Edition," by Wesley Chun.
I have bought about half a dozen Python books but will purchase only
Python 3 books in the future, when they become available. I wonder
whe
On Mar 5, 12:41 am, "Raymond Hettinger" <[EMAIL PROTECTED]> wrote:
> On Mar 4, 7:52 pm, "Mudcat" <[EMAIL PROTECTED]> wrote:
>
> > I have done a bit of searching and can't seem to find a stock market
> > tool written in Python that is active. Anybody know of any? I'm trying
> > not to re-create the
A crude way to check if two files are the same on Windows is to look
at the output of the "fc" function of cmd.exe, for example
def files_same(f1,f2):
cmnd= "fc " + f1 + " " + f2
return ("no differences" in popen(cmnd).read())
This is needlessly slow, because one can stop comparing tw
On Mar 26, 8:40 am, [EMAIL PROTECTED] wrote:
> On Mar 26, 8:20 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
>
> > OK...
> > I've been told that Both Fortran and Python are easy to read, and are
> > quite useful in creating scientific apps for the number crunching, but
> > then Python is a tad
On Mar 26, 8:42 am, Jean-Paul Calderone <[EMAIL PROTECTED]> wrote:
> You can get the speed of fortran in Python by using libraries like
> Numeric without losing the readability of Python.
Numeric and Numpy will faster than raw Python for array operations,
but I don't think they will match well-
On Mar 26, 9:06 am, stef <[EMAIL PROTECTED]> wrote:
> As said by others, "Portability, scalability & RAD" as an advantage of
> Python are probably far more important.
All of those claimed advantages can be debated, although they may
exist for some tasks.
(1) Portability. Fortran has been run on
On Mar 26, 10:31 am, "Carl Banks" <[EMAIL PROTECTED]> wrote:
> > You can write programs in Python that do usefully complicated things,
> > and you can get them to work in a reasonable time. Fortran can't do
> > this, for anything more than the trivial. "Classic" Fortran tasks of
> > the past are
On Mar 26, 10:16 am, [EMAIL PROTECTED] (Cameron Laird) wrote:
> In article <[EMAIL PROTECTED]>,[EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> >Is there a mac version??
> >Thanks
> >Chris
>
> Yes.
>
> Several, in fact--all available at no charge. The Python
> world is different from what experienc
On Mar 27, 6:32 am, [EMAIL PROTECTED] (Cameron Laird) wrote:
> In article <[EMAIL PROTECTED]>,Beliavsky <[EMAIL PROTECTED]> wrote:
>
> .
> .
> .
>
>
>
> >Your experience with Fortran
On Apr 14, 10:55 am, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote:
> The FORTRAN family had started as 1-based (F95, and Ada, now allow
> for each array to have its own "base" => x : array (-10..10) of float).
Fortran has allowed a user-specified base since at least the 1977
standard --
On Apr 14, 10:12 pm, "Paddy" <[EMAIL PROTECTED]> wrote:
> So the running count is:
> Ayes to the left: VB compatibility.
> Nays to the right: QuadIO, Perl, Dijkstra paper.
>
> The nays have it!
One-based indexing would also Python more compatible with Fortran,
Matlab/Octave/Scilab, and S
Tyler wrote:
> Hello All:
>
> After trying to find an open source alternative to Matlab (or IDL), I
> am currently getting acquainted with Python and, in particular SciPy,
> NumPy, and Matplotlib. While I await the delivery of Travis Oliphant's
> NumPy manual, I have a quick question (hopefully) re
Carl Banks wrote:
> > WRITE(90,*) nfault,npoint
>
> Fortran writes this as two arbitrary integers separated by a space.
I wrote a paragraph in my reply explaining why this is wrong. A Fortran
list-directed write can print results in an almost arbitrary format,
depending on the compiler. Many
Carl Banks wrote:
> > A Fortran
> > list-directed write can print results in an almost arbitrary format,
> > depending on the compiler. Many compilers will separate integers by
> > several spaces, not just one, and they could use commas instead of
> > spaces if they wanted.
>
> 1. Hardly any co
On Feb 16, 10:17 am, Steven D'Aprano
<[EMAIL PROTECTED]> wrote:
> On Fri, 16 Feb 2007 09:49:03 -0500, Jean-Paul Calderone wrote:
> > On Sat, 17 Feb 2007 01:32:21 +1100, Steven D'Aprano
> >> [snip]
>
> >>I don't think that follows at all. print is only a problem if you expect
> >>your code to work u
On Feb 28, 12:40 am, Robert Kern <[EMAIL PROTECTED]> wrote:
> Tyler wrote:
> > Hello All:
>
> > Since my last post I have attempted to use the f2py program which
> > comes with numpy.
>
> It's better to ask these questions on numpy-discussion, instead. There are
> more
> f2py users per capita ther
Michael Tobis wrote:
> Although somewhat more elegant, Python slices follow Matlab's slice
> notation. In simpler cases they are identical.
>
> mt
I think in Matlab, as in Fortran 90, i:j refers to the elements from i
up to and including j, unlike Python, where j is excluded. Another
language with
The following code to search a file for tabs does not work, at least on
Windows XP. Could someone please tell me what's wrong? Thanks.
xfile = "file_with_tabs.txt"
for text in open(xfile,"r"):
text = text.strip()
if ("\t" in text):
print text
--
http://mail.python.org/mailman/lis
Fredrik Lundh wrote:
> [EMAIL PROTECTED] wrote:
>
> > The following code to search a file for tabs does not work, at least on
> > Windows XP. Could someone please tell me what's wrong? Thanks.
> >
> > xfile = "file_with_tabs.txt"
> > for text in open(xfile,"r"):
> > text = text.strip()
> >
I want to write a function that writes to an output file if specified
and otherwise to standard output. How can I connect a file object to
standard output in the code below? I could use an if statement to
choose between print and print>>fp throughout the function, but this
seems awkward. I think th
DeepBlue wrote:
> Hi all,
>
> I am new to Python. Just wondering can Python able to do econometric
> regression in either Time-series or pooled (panel) data? As well as test
> for hetero, autocorrelation, or endogeneity?
> Thank you!
NumPy can do linear regression, and one can certainly program a
Cameron Laird wrote:
> In article <[EMAIL PROTECTED]>, I counseled:
> >In article <[EMAIL PROTECTED]>,
> >DeepBlue <[EMAIL PROTECTED]> wrote:
> >>so are you saying that Python is not an appropriate language for doing
> >>econometrics stuff?
> >>
> >>
> >>Dennis Lee Bieber wrote:
> >>> On Tue, 09 M
On Aug 6, 4:08 pm, Mike Driscoll <[EMAIL PROTECTED]> wrote:
> On Aug 6, 2:56 pm, Edward Cormier <[EMAIL PROTECTED]> wrote:
>
> > Which computer books are the best to begin learning Python 2.5 with?
> > I've heard that Learning Python 3rd Edition is a good choice - can
> > anyone give any more advic
I work for a financial company where we run Windows XP and read email
using Microsoft Outlook 2003. I get daily files that come as email
attachments from various counterparties. I save them as h:\firm_name
\mmdd.csv . Would Python be a good tool to automate the process of
saving reports, or wou
falcon wrote:
> Is there a way I can do time series calculation, such as a moving
> average in list comprehension syntax? I'm new to python but it looks
> like list comprehension's 'head' can only work at a value at a time. I
> also tried using the reduce function and passed in my list and anothe
The script
name = raw_input("What is your name? ")
print "Hello, ",name
runs fine from the Windows prompt (cmd.exe), but when I run it in a
shell buffer under XEmacs, I only see the text "What is your name? "
AFTER I enter some text, so a run looks like this:
H:\python>python xinput.py
x
What is
After installing numpy, scipy, and matplotlib for python 2.6 and
running the code from http://www.scipy.org/Cookbook/OptimizationDemo1
(stored as xoptimize.py) in a directory with other python codes, I got
the error messages
C:\python\code\mycode>python xoptimize.py
Traceback (most recent call las
One can purchase the following Python books and videos published by Packt for
$15 at https://www.humblebundle.com/books/python-by-packt-book-bundle for about
the next two weeks.
Python Data Analysis Cookbook
Mastering Python, Second Edition
Learning Robotics using Python
Python Programming with
I bought some e-books in a Humble Bundle. The file names are shown below. I
would like to hyphenate words within the file names, so that the first three
titles are
a_devils_chaplain.pdf
atomic_accidents.pdf
chaos_making_a_new_science.pdf
Is there a Python library that uses intelligent guesses t
On Thursday, May 31, 2018 at 5:31:48 PM UTC-4, Dietmar Schwertberger wrote:
> On 5/31/2018 10:26 PM, beliavsky--- via Python-list wrote:
> > Is there a Python library that uses intelligent guesses to break sequences
> > of characters into words? The general strategy would be t
On Thursday, May 5, 2016 at 3:00:01 PM UTC-4, Terry Reedy wrote:
> https://motherboard.vice.com/blog/python-is-an-equal-opportunity-programming-language
>
> from an 'Intel(R) Software Evangelist'
> --
> Terry Jan Reedy
>From the link:
MB: What is it about Python that makes it friendly to women?
On Friday, May 6, 2016 at 5:07:28 PM UTC-4, Ethan Furman wrote:
> On 05/06/2016 01:35 PM, beliavsky--- via Python-list wrote:
>
> > Most of [Guido's] keynote at that conference was answering questions from
> > the people who had attended. And he actually said, &quo
other
> > 95 are men.
> >
> > Alternating between men and women means that all of the
> > women get their questions answered, and only 5/95 of the
> > men. So in this example, if you're a woman you have a 100%
> > chance of getting answered, and if you're a
The Intel Distribution for Python 2017 Beta
https://software.intel.com/en-us/python-distribution is available for Windows,
Linux, and Mac OS for Python 2.7 and 3.5.
"The Beta product adds new Python packages like scikit-learn, mpi4py, numba,
conda, tbb (Python interfaces to Intel® Threading Bui
On Tuesday, May 10, 2016 at 11:17:33 PM UTC-4, Arshpreet Singh wrote:
> Thanks for the information, I just applied for program but I got one mail
> about license and expiration.
>
>
> This software license expires on October 29, 2016.
>
>
> I am not able to understand that can anyone put some
Intel has released Beta Update 1 of its Python distribution:
"What's New!
Jupyter* notebook interface
Neural network APIs support for pyDAAL
Optimized random number generation features for numpy.random package"
--
https://mail.python.org/mailman/listinfo/python-list
For about the next two weeks, Humble Bundle
https://www.humblebundle.com/books/python-packt-2019-books offers the following
18 books and 7 videos on Python for $15.
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Python Interviews
OpenCV 3 Computer Vision with Python Cookbook
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Python Automation Cookbo
I did some basic programming in Python 2 and now use Python 3. All I know about
Python 3 is that print is a function requiring parentheses.
What is a good book on modern Python that covers topics such as type
annotations? I know of
Fluent Python: Clear, Concise, and Effective Programming
by Luc
Is there an active online group discussing the use of Python in finance?
Here are some resources for Python in finance I know of. Numpy, scipy, pandas,
and matplotlib are useful packages discussed in the books "Python for Finance"
by Hilpisch and "Python for Data Analysis" by McKinney. Quandl is
I can use x[::n] to select every nth element of a list. Is there a one-liner to
get a list that excludes every nth element?
--
https://mail.python.org/mailman/listinfo/python-list
On Saturday, March 26, 2016 at 1:02:06 PM UTC-4, Gary Herron wrote:
> On 03/26/2016 09:49 AM, beliavsky--- via Python-list wrote:
> > I can use x[::n] to select every nth element of a list. Is there a
> > one-liner to get a list that excludes every nth element?
>
> Yes:
>
I can create a list that has repeated elements of another list as follows:
xx = ["a","b"]
nrep = 3
print xx
yy = []
for aa in xx:
for i in range(nrep):
yy.append(aa)
print yy
output:
['a', 'b']
['a', 'a', 'a', 'b', 'b', 'b']
Is there a one-liner to create a list with repeated element
On Saturday, March 26, 2016 at 7:24:10 PM UTC-4, Erik wrote:
> Hi,
>
> On 26/03/16 22:12, beliavsky--- via Python-list wrote:
> > I can create a list that has repeated elements of another list as follows:
> >
> > xx = ["a","b"]
> > nrep = 3
&g
On Saturday, March 26, 2016 at 7:30:14 PM UTC-4, Mark Lawrence wrote:
> On 26/03/2016 22:12, beliavsky--- via Python-list wrote:
> > I can create a list that has repeated elements of another list as follows:
> >
> > xx = ["a","b"]
> > nre
On Sunday, May 10, 2015 at 9:38:38 PM UTC-4, Ian wrote:
> On Sun, May 10, 2015 at 3:16 PM, Marko Rauhamaa wrote:
> > Scheme is my favorite language. I think, however, it is a pretty
> > advanced language and requires a pretty solid basis in programming and
> > computer science.
> >
> > Python, in
My 11yo son is taking the online class "Intermediate Programming with Python"
http://www.artofproblemsolving.com/school/course/catalog/python2 offered by the
Art of Problem Solving company (AoPS). Classes meet for 1.5 hours a week for 12
weeks. During the classes the instructor "lectures" (types
On Friday, July 10, 2015 at 7:21:14 AM UTC-4, M.-A. Lemburg wrote:
> With Mandy Waite we have announced all keynotes for EuroPython 2015:
> 5 keynotes, 6 speakers, 4 women and 2 men.
Your mentioning these numbers makes me wonder if the organizing committee is
using gender preferences in its selec
On Friday, July 10, 2015 at 2:58:18 PM UTC-4, Chris Angelico wrote:
> On Fri, Jul 10, 2015 at 10:01 PM, beliavsky--- via Python-list
> wrote:
> > On Friday, July 10, 2015 at 7:21:14 AM UTC-4, M.-A. Lemburg wrote:
> >> With Mandy Waite we have announced all keynotes for Eu
On Friday, August 7, 2015 at 10:08:37 AM UTC-4, roge...@gmail.com wrote:
> Can anyone compare PyNum calculation speed to Fortran?
>
> This is for a number crunching program working with large files.
>
> Roger
Did you mean NumPy? It depends on the program. Here are two posts that compared
speeds
There used to be a blog about SciPy at https://planet.scipy.org/ , discussing
the applications of Python to scientific computing. Now there is a static page
about "MPI for Python". What happened?
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I think Python 2.x is still used more than Python 3.x in scientific computing.
The Python books I have in this area, such as "Python for Finance: Analyze Big
Financial Data" and "Python for Data Analysis", still use Python 2.x . An
aspiring computational scientist, data scientist, or financial q
Googling "refactoring python code to create functions" I came to
https://wingware.com/doc/intro/tutorial-refactoring where the "Extract
Function/Method" does what I want. Is there a free Python tool that does this?
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