[sage-support] How to enter DJIA quotron into sage.finance.stock?

2011-03-01 Thread lutusp
I just discovered sage.finance.stock, it looks very interesting. I tried to enter a quotron for the Dow-Jones average (for purposes of comparison with different specific stocks), but it seems the class won't accept any symbols I can locate for this entity. In experiments after drilling down int

[sage-support] Sage Binaries and Fedora 13

2010-09-05 Thread lutusp
In the past, there was a Debian binary among the provided binaries, and this served as a fallback in the event that other binaries failed for a particular Linux distribution. I just downloaded all existing binaries -- all of them -- and tried to install them in Fedora 13. None of them successfully

[sage-support] Re: How do superscripts, subscripts and Greek letters in notebook?

2009-10-23 Thread lutusp
On Oct 20, 11:19 am, Chris Seberino wrote: > Possible to do superscripts, subscripts and Greek letters in > notebooks? show(html("$ \lambda_0 \omega_1 \lambda^0 \omega^1$")) The underscore signifies subscript, the circumflex signifies superscript. There are some rather baroque rules about getti

[sage-support] Re: Motion & planets

2009-10-13 Thread lutusp
On Oct 12, 1:09 pm, Rolandb wrote: > Hi, I'm interested in the motion of planets around the sun. Before I > 'reinvent the wheel', maybe someone has made a simple model and he/she > is willing to share it? I have a number of packages that do this, not explicitly in Sage, but all with open source

[sage-support] Re: how to simply the equation

2009-10-12 Thread lutusp
On Oct 12, 1:11 am, wxu...@sohu.com wrote: > Hi, everyone, I got the expression, > > sin(t)^8 + 4*sin(t)^6*cos(t)^2 + 6*sin(t)^4*cos(t)^4 + > 4*sin(t)^2*cos(t)^6 + cos(t)^8 > actually it is 1. how can I get it? sage: (sin(t)^8 + 4*sin(t)^6*cos(t)^2 + 6*sin(t)^4*cos(t)^4 + 4*sin(t) ^2*cos(t)^6 +