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Published on 2008-10-17T05:30:49Z
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2010/04/16
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How do I get the inverse of a matrix in python? I've implemented it myself, but it's pure python, and I suspect there are faster modules out there to do it.
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I tried today to install a dvb-card on my Ubuntu 12.04 (Linux blauhai-linux 3.2.0-25-generic #40-Ubuntu SMP Wed May 23 20:30:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
). The installation failed with an error. After that, i tried to install python (it was already installed but i got this error):
linux:~$…
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I installed sikuli-ide with
sudo apt-get install sikuli-ide
Everything was fine until I tried to start it from the terminal. I typed
sikuli-ide
But the only response I got was
[info] locale: en_US
The application was not started, furthermore there is no desktop file and sikuli-ide does not…
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I can't import some python libraries (PIL, psycopg2) that I just installed with MacPorts. I looked through these forums, and tried to adjust my PATH variable in $HOME/.bash_profile in order to fix this but it did not work.
I added the location of PIL and psycopg2 to PATH.
I know that Terminal is…
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I want to pass a chunk of Python code to Python in R with something like system('python ...'), and I'm wondering if there is an easy way to emulate the python console in this case. For example, suppose the code is "print 'hello world'", how can I get the output like this in R?
>>> print…
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Hi,
I am currently struggling to call a non python program from a python script.
I have a ~1000 files that when passed through this C++ program will generate ~1000 outputs. Each output file must have a distinct name.
The command I wish to run is of the form:
program_name -input -output -o1 -o2…
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i have this huge function and i am wondering how to make it recursive. i have the base case which should never come true, so it should always go to else and keep calling itself with the variable t increases. any help would be great
thanks
def draw(x, y, t, planets):
if 'Satellites' in planets["Moon"]:
…
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I'm trying to calculate the sunset / rise times using python based on the link provided below.
My results done through excel and python do not match the real values. Any ideas on what I could be doing wrong?
My Excel sheet can be found under .. http://transpotools.com/sun_time.xls
# Created on…
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Hi Guys,
I'm constructing a geolocation based application and I'm trying to figure out a way to make my application realise when a user is facing the direction of the given location (a particular long / lat co-ord). I've got the math figured, I just have the triangle to construct.
//UPDATE
So…
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so I'm trying to make a program that will output the sum, average, and smallest and largest values. I have everything basically figured out except the smallest and largest values are outputting 2147483647 and -2147483647, which I believe are the absolute smallest and largest values that Java will…
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I've heard many times that all programming is really a subset of math. Some suggest that OO, at its roots, is mathematically based. I don't get the connection. Aside from some obvious examples:
using induction to prove a recursive algorithm
formal correctness proofs
functional languages
lambda calculus
asymptotic…
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