Re: [sage-support] Re: Book with Sage (and Python 3)

[darwin doppelganger]

The book, the Sage example files and Jupyter notebook files are all posted 
at their website, https://tbward0.wixsite.com/books/journey


On Sunday, March 1, 2020 at 4:54:21 AM UTC-6, HG wrote:
>
> Can you share the code in sagemath ?
>
> Best
>
> Henri
> Le 06/02/2020 à 10:20, Manfred Einsiedler a écrit :
>
> Hi,
>
> Many thanks for your quick responses and tips concerning SageMath, 
> Jupyter, and the typos.  
> Meanwhile we have a final draft and will have the full book online until 
> end of February 2020 or so: 
>
> https://tbward0.wixsite.com/books/journey
>
> Let us know if you have comments on the text.
>
> Best,
> Manfred
>
>
>
> On Tuesday, December 24, 2019 at 11:37:11 AM UTC+1, Manfred Einsiedler 
> wrote: 
>>
>> Hi, 
>> I am working with Menny Aka and Tom Ward on a little book for high school 
>> and undergraduate students that also invites the reader to do a bit of 
>> programming, for a slightly dated version see 
>> https://tbward0.wixsite.com/books/journey
>> We are also new to sage but really enjoyed learning it along the way. 
>> Thanks for the great tool. 
>>
>> During the refereeing process we were told by one of the referees of the 
>> upcoming python 2/3 change and that it would be annoying if our intro to 
>> sage is obsolete even before the book gets published.  I haven’t yet tried 
>> but I will download and install the latest beta on version 9 to test all 
>> sage code in our book. Is there anything I should be a aware of when I do? 
>> Eg. to what extent is it complete — I believe our little intro doesn’t 
>> venture very deep into the possibilities of Sage. 
>>
>> Thanks,
>> Manfred Einsiedler 
>>
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>  
> 
> .
>
>

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[sage-support] Re: Is there a binary version of SageMath .app.dmg compatiable with Mac OS X ver. 10.14.6

[darwin doppelganger]

I just wanted to add that I downloaded 
http://mirrors.xmission.com/sage/osx/intel/sage-8.8-OSX_10.14.5-x86_64.app.dmg 
as 
suggested above by John Palmieri and opened it with no problems beyond the 
venerable Mac OS X 10.14 Mojave problem, Sage takes very long to start—why? 
<https://ask.sagemath.org/question/45506/sage-takes-very-long-to-start-why/>. 
The workarounds mentioned in in the link are pretty painless. I am running 
10.14.5 on a MacBook Pro, but I think 10.14.6 ought to be the same sort of 
deal.

On Saturday, July 27, 2019 at 4:55:53 PM UTC-5, darwin doppelganger wrote:
>
> This may be related to a virus-scanner problem 
> <https://groups.google.com/d/msg/sage-support/C2Hwxib3tZM/3djG0h2KCgAJ> 
> that was reported earlier.  Murray Eisenberg responded 
> <https://groups.google.com/d/msg/sage-support/C2Hwxib3tZM/PmXzilP9CAAJ>, 
> saying that he:
>
> "solved" this issue finally by disabling my Intego VirusScan and then 
>> opened the .dmg.app again.
>
>
> On Thursday, July 25, 2019 at 10:26:07 PM UTC-5, Samuel Dupree wrote:
>>
>>
>>
>> I'm attempting to update SageMath-8.7.app on an iMacPro running Mac OS X 
>> ver. 10.14.6 tp SageMath-8.8.app. The problem for the moment occurs when I 
>> decompress sage-8.8-OSX_10.14.5-x86_64.app.dmg, the operation crashes my 
>> iMacPro with the message captured in the attached file.
>>
>>
>> Any suggestions?
>>
>>
>> Sam Dupree.
>>
>

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[sage-support] Re: Is there a binary version of SageMath .app.dmg compatiable with Mac OS X ver. 10.14.6

[darwin doppelganger]

This may be related to a virus-scanner problem 
 
that was reported earlier.  Murray Eisenberg responded 
, 
saying that he:

"solved" this issue finally by disabling my Intego VirusScan and then 
> opened the .dmg.app again.


On Thursday, July 25, 2019 at 10:26:07 PM UTC-5, Samuel Dupree wrote:
>
>
>
> I'm attempting to update SageMath-8.7.app on an iMacPro running Mac OS X 
> ver. 10.14.6 tp SageMath-8.8.app. The problem for the moment occurs when I 
> decompress sage-8.8-OSX_10.14.5-x86_64.app.dmg, the operation crashes my 
> iMacPro with the message captured in the attached file.
>
>
> Any suggestions?
>
>
> Sam Dupree.
>

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[sage-support] Re: How to define variables over integer

[darwin doppelganger]

I forgot to add that you can automatically put the variables in a list with:

Z = list(V.gens())


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[sage-support] Re: How to define variables over integer

[darwin doppelganger]

Doesn't PolynomialRing() 
do
 
what you want? For example,

n=4
V=PolynomialRing(QQ,n+1,['z%d'%(i) for i in range(n+1)] )
V.inject_variables()

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