[sage-support] Re: 3d graphics display problem

2013-07-30 Thread davidp
Fixed: I removed the .jmol directory from my home directory (allowing a new one to be formed the next time I ran jmol). I thought I had tried that already. On Thursday, July 25, 2013 4:15:37 PM UTC-7, davidp wrote: > > In the following, I expect p+s to be a picture of a plane with the word > '

[sage-support] Re: Sage Notebook, Chrome Browser, & SELinux Alert

2013-07-30 Thread Volker Braun
I found the same in my logs from a while ago, but I can't reproduce it with chrome 29.0.1547.32 beta which I'm currently running. type=AVC msg=audit(1372031280.104:2067): avc: denied { write } for pid=24299 comm="chrome" name=".sage " dev="sda4" ino=322022 scontext=unconfined_u:unconfined_r

[sage-support] Testing the triangle inequality in Sage

2013-07-30 Thread 7141175
This question was asked on AskSage here: http://ask.sagemath.org/question/2853/testing-inequalities-in-sage So I have these commands to test the triangle inequality: var('a','b') eqn1=abs(a+b) eqn2=abs(a)+abs(b) bool(eqn1<=eqn2) I had expected the result to be True, but it returned false. In g

[sage-support] Re: Disturbing Equality (from askSAGE)

2013-07-30 Thread rickhg12hs
On Tuesday, July 30, 2013 1:40:29 PM UTC-4, JamesHDavenport wrote: > > > > On Tuesday, 30 July 2013 15:29:43 UTC+1, rickhg12hs wrote: >> >> sage: var('a b') >> (a, b) >> sage: assume(a, 'real') >> sage: assume(b, 'real') >> sage: bool( sqrt((a+b)^2) == sqrt(a^2) + sqrt(b^2) ) >> True >> sage:bool

[sage-support] Re: Disturbing Equality (from askSAGE)

2013-07-30 Thread JamesHDavenport
On Tuesday, 30 July 2013 15:29:43 UTC+1, rickhg12hs wrote: > > sage: var('a b') > (a, b) > sage: assume(a, 'real') > sage: assume(b, 'real') > sage: bool( sqrt((a+b)^2) == sqrt(a^2) + sqrt(b^2) ) > True > sage:bool( (sqrt((a+b)^2) == sqrt(a^2) + sqrt(b^2)).subs(a=1,b=-1) ) > False > sage: > > Why

[sage-support] Re: Sage Notebook, Chrome Browser, & SELinux Alert

2013-07-30 Thread rickhg12hs
Here is the SELinux Alert "Details": ["Details" Start] SELinux is preventing /opt/google/chrome/chrome from write access on the directory /home/rick/.sage. * Plugin catchall (100. confidence) suggests *** If you believe that chrome should be allowed write access

[sage-support] Re: Sage Notebook, Chrome Browser, & SELinux Alert

2013-07-30 Thread Volker Braun
post the actual log message On Tuesday, July 30, 2013 10:35:08 AM UTC-4, rickhg12hs wrote: > > Which log do you mean? > > Steps to reproduce: > $ ./sage -notebook > > An SELinux alert every time. Sage notebook still works fine though. > > Help request posted to Google Chrome group: > http://pr

[sage-support] Re: Sage Notebook, Chrome Browser, & SELinux Alert

2013-07-30 Thread rickhg12hs
Which log do you mean? Steps to reproduce: $ ./sage -notebook An SELinux alert every time. Sage notebook still works fine though. Help request posted to Google Chrome group: http://productforums.google.com/forum/#!category-topic/chrome/linux/5Qs_g0yofKk On Tuesday, July 30, 2013 10:22:16 AM

[sage-support] Disturbing Equality (from askSAGE)

2013-07-30 Thread rickhg12hs
sage: var('a b') (a, b) sage: assume(a, 'real') sage: assume(b, 'real') sage: bool( sqrt((a+b)^2) == sqrt(a^2) + sqrt(b^2) ) True sage:bool( (sqrt((a+b)^2) == sqrt(a^2) + sqrt(b^2)).subs(a=1,b=-1) ) False sage: Why the strange equality? -- You received this message because you are subscribed to

[sage-support] Re: Sage Notebook, Chrome Browser, & SELinux Alert

2013-07-30 Thread Volker Braun
Works on Fedora 19, maybe you can post a part of your log? Steps to reproduce? On Monday, July 29, 2013 11:11:48 PM UTC-4, rickhg12hs wrote: > > Sage 5.10 Notebook, Fedora 17 with SELinux set to Enforcing. > > SELinux is preventing /opt/google/chrome/chrome from 'write' accesses > on the di

[sage-support] Re: Sage Notebook, Chrome Browser, & SELinux Alert

2013-07-30 Thread Dima Pasechnik
On 2013-07-30, Jason Grout wrote: > On 7/29/13 8:11 PM, rickhg12hs wrote: >> Sage 5.10 Notebook, Fedora 17 with SELinux set to Enforcing. >> >> SELinux is preventing /opt/google/chrome/chrome from 'write' >> accesses on the directory /home/MyHomeDir/.sage. >> >> Is this expected? Should I al