Jim Clark wrote:
> On Oct 22, 2008, at 7:17 PM, Jason Grout wrote:
>
>> You have to do "sage -b" first.
>>
>> The -b makes Sage rebuild itself to incorporate changes. The first
>> time
>> you run it, it will take a while (maybe 20 minutes?). After that,
>> depending on the changes you make, it will take seconds.
>>
>> If you're not sure how to apply the patch, probably the easiest way to
>> apply the patch is to do the following at the sage command line:
>>
>> hg_sage.apply('http://trac.sagemath.org/sage_trac/attachment/ticket/
>> 4343/gradient.patch?format=raw')
>>
>> Then quit out of Sage, run sage -b, then start sage back up again.
>
> Thank you for the detailed instructions, Jason. The patch works!
>
> The details:
> Applied the patch in sage 3.1.2 (from downloaded OSX 10.4/PPC binary).
> "sage -b" required 13.5 HOURS on my iMac with a 400 MHz G3 processor...
> (William said he wanted to know :-)
Oh, wow. Sorry, I didn't realize you had a 400Mhz G3. I would have not
said 20 minutes in that case.
>
> The tests I previously reported in this thread now perform as I expect.
>
> My application (calculating a vector electric field from a scalar
> potential field) also provides correct results.
>
> I see that the trac ticket is in state "needs review", but I don't
> have a login id needed to report this review directly.
> In my opinion the ticket could now be advanced to an "approved" state.
You can email Michael Abshoff (mabshoff on this list) for a trac
account. Once you have one, you can change the ticket title from "needs
review" to "positive review".
Thanks,
Jason
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