[sage-devel] Re: Integration of dirac_delta

2011-05-16 Thread Stephen Nuchia
As an electrical engineer by training and currently working on statistics, I too find the lack of support for generalized distributions in the general-purpose math packages ... disturbing. Their definitions essentially reach out from the integrand and modify the limits of integration, it is not so

[sage-devel] Re: LaTeX code to Sage expression?

2011-05-16 Thread Stephen Nuchia
RJF's point is the one that has been on my mind as I try to come up to speed on this discussion. TeX formulae are written to generate some graphical effect; their algebraic structure is some combination of accident and good style, not anything that the language forces on the author. You can't exp

[sage-devel] Re: Sage virtual appliance (VirtualBox)

2011-05-16 Thread Stephen Nuchia
I'm new to this group, have been working with Sage on Amazon "EC2" cloud platforms. It costs several dollars to build Sage from source there and I couldn't find a binary that would install on their current recommended Amazon Linux starter image. It's a stripped-down CentOS- derived thingy. You