Google groups long lines wrapping breaks my code. Check this text
version if you don't want to bother refactoring it:
http://dl.dropbox.com/u/176092/comparison_test.sage
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Well, I'd like to dig the root of the problem ;). So I'm listing the
pertinent code.
Also if you see performance improvement possible optimization to my
code, they are very welcome, as this
thing is rather slow.
Abstract: Requirement was to build a pseudo random bit generator using
linear congru
Hello everyone,
I'd like to know if it is required practice to cast the types of the
objects being compared or if Sage should be able to deal with it
automatically?
Because I have a problem where I need to explicitely cast an
numpy.int32 vector unit for the comparison with a Sage Integer to be
re
It's definitely supported in Firefox; Opera says it will implement it
in time, Webkit not for now.
The good news is that even if it is only supported in Firefox for now,
it has no adverse effect in other browsers.
See the link below to learn more. Note that support might have
progressed in other br
On 6 déc, 11:55, Adam Voss wrote:
> It may be by particular configuration, but spellcheck was not
> executing in workbook cells with Firefox 3 on Linux.
That's weird, I'm using Firefox 3.6 on Linux, too. As far as I can
tell, spell-checking was always
turned on in the workbook.
> I recently m
Hi,
I would like to know if it could be considered to add a feature that
would allow one to disable spell-checking inside a worksheet. I often
find my code all underlined in red, and need to disable spell-checking
for every code block that I create (it's on by default).
What I suggest is a new fe
On 13 nov, 00:18, Dima Pasechnik wrote:
> I don't think sum() method is needed. It's certainly a code bloat.
> Could you check that sum() in vector_double_dense can be removed?
> (remove it there, do sage -b, run testsuite, see if there were any
> errors caused by it)
I just tried that, it worked
Robert Bradshaw wrote:
> [...] For almost
> any kind of linear algebra, you're better off using RDF, or even numpy
> directly.
Thanks for that! Using numpy arrays just gave a new breath of life to
my 8GB ram!
Now the example in my first post takes... 277KB instead of 4.5GB,
which is closer to my
If I try to find the sum of a vector of floats that way, it works as
expected:
sage: vector([1,float(2),3]).sum()
-> 6.0
However, applying the same logic on a vector made of integers:
sage: vector([1,2,3]).sum()
-> Traceback (click to the left of this block for traceback)
...
AttributeErro
I get very high memory usage when I do something like:
sage: get_memory_usage()
-> 809.9453125
sage: A=vector(range(0,1))/1
sage: get_memory_usage()
-> 5393.2734375
Which is a whooping 4.5GB+ of memory to hold a 1 float vector...
I would have thought more of something along the lines of 2
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