Here is an example of a math heavy page I wrote in with rst + Sphinx: https://raw2.github.com/moorepants/dissertation/master/eom.rst
:math:`...` is the same as \(...\) or $...$ and .. math:: gives you the amsmath align environment. It worked out pretty well, ended up with a nice html and latex document. pandoc does an ok job converting latex to rst, but I've found it misses a lot too and/or outputs poor rst representations of what you want. Jason moorepants.info +01 530-601-9791 On Mon, Feb 17, 2014 at 8:11 PM, Aaron Meurer <[email protected]> wrote: > On Mon, Feb 17, 2014 at 10:39 AM, Alan Bromborsky <[email protected]> > wrote: > > On 02/17/2014 10:46 AM, Jason Moore wrote: > > > > Another approach would be to write a traditional vector calculus module > that > > uses the geometric algebra package in the background. I don't know enough > > about geometric algebra to know if that is actually possible. But maybe. > > Alan could probably comment. > > > > The sympy.physics.vector module can be improved, but keep in mind that > > Prasoon's work is essentially what that is. We'd ideally need a vector > > calculus package that is in the top level name space of sympy which would > > replace sympy.physics.vector functionality. The main hurdle is the fact > that > > we rely heavily on immutability in sympy.physics.vector and the new > vector > > classes should be immutable and based on core SymPy classes. > > > > > > Jason > > moorepants.info > > +01 530-601-9791 > > > > > > On Mon, Feb 17, 2014 at 9:22 AM, Sachin Joglekar < > [email protected]> > > wrote: > >> > >> Thats definitely a plan. I am going to send a PR soon with the grad, > curl, > >> divergence and scalar potential functions that a basic electrostatics > module > >> would need. What further enhancements can you think of to the module? > Have a > >> look at the code and share your ideas. > >> About implementing a vector module for SymPy, there are various upsides > to > >> that. First off, having a core based on SymPy's architecture would > probably > >> be much faster than the current implementation (Provided we can provide > it > >> as much flexibility as the current one has, with the constraint of > >> immutability). Second, we would like the physics vector-related stuff > to be > >> more homogeneous with the rest of SymPy, which it currently is not. > However, > >> last summer we did realise that's not an easy job. I would still > suggest you > >> look at Prasoon's code (and the the small amount I tried) and see > whether > >> you can build such a module. > >> > >> > >> On Monday, February 10, 2014 7:09:44 PM UTC+5:30, Rajath Shashidhara > >> wrote: > >>> > >>> Hello, > >>> > >>> I'm interested in implementing electrodynamics in sympy. > >>> Any thoughts about this? > >>> > >>> I don't seem to find any documentation about grad, divergence, and > curl. > >>> Are they implemented? > >>> I'm willing to do this as well. > >>> > >>> Please give me feedback. > >>> > >>> Thanks. > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "sympy" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an > >> email to [email protected]. > >> To post to this group, send email to [email protected]. > >> Visit this group at http://groups.google.com/group/sympy. > >> For more options, visit https://groups.google.com/groups/opt_out. > > > > > > -- > > You received this message because you are subscribed to the Google Groups > > "sympy" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at http://groups.google.com/group/sympy. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > The main problem with the current GA module is that it only allows one > > instance of a geometric algebra at a time. That is you can have a > geometric > > algebra with space time coordinate system that is (t,x,y,z) or > (t,r,theta,z) > > or (t,r,theta,phi) or any other by defining an appropriate metric tensor > > (you are also not limited to > > space time 4D). But only one instance of the algebra at a time is > allowed > > in the current GA module (I am developing a revised GA module that does > not > > have this limitation). The problem I see with this limitation is if one > > needs to map one coordinate system into another. > > > > The map from geometric algebra/calculus to 3d vector calculus is simple. > > When the geometric algebra is instantiated a special vector 'grad' and > the > > pseudo scalar 'I' is defined and the operations dot (|), wedge (^), and > > geometric (*) products implemented. Then if U(x) and V(x) are vector > fields > > and f(x) is a scalar field we have - > > > > 1. U \cdot V = U|V (dot product) > > 2. U \times V = -I*(U^V) (vector product) > > 3. \nabla \cdot U = grad|U (divergence) > > 4. \nabla \times U = -I*(grad ^ U) (curl) > > 5. \nabla f = grad*f (gradient of scalar function) > > > > Of course 2 and 3 are only valid in a 3d vector space and with dealing > with > > relativity it is much nicer to deal with a 4d Minkowski space. > > > > My new implementation is functional and includes some new objects such as > > multivector differential operators. I have not made a branch of it yet > > since the api has changed some and I need to fix the documentation. My > > biggest problem in revising the GA module is doing the documentation in > > Sphinx. I have been using LaTeX for 30 years and writing docs in Sphinx > > makes me feel like I am documenting while wearing blinders. > > Tools like pandoc claim to be able to convert any markup format to any > other markup format. I wonder if it would produce anything useful if > you told it to convert LaTeX to rst. It may at least tell you about > some feature of rst that you didn't know about. > > I agree that rst can be hard to work with. There's a nice little > cheatsheet at > http://openalea.gforge.inria.fr/doc/openalea/doc/_build/html/source/sphinx/rest_syntax.html > . > > Aaron Meurer > > > > > If anyone is interested the new code is at https://github.com/brombo/GAand > > includes documentation in LaTeX and a set of introductory notes (in > > progress) for geometric algebra and calculus. > > > > I would be very interested in what you (plural) think should be the > > functionality required for a physics module. I think the only thing > > currently missing from my new GA module is a mapping from one instance > > (coordinate system) of a geometric algebra to another, assuming each > > geometric algebra are based on the same vector space (dimension and > > signature). > > > > > > > > > > > > > > -- > > You received this message because you are subscribed to the Google Groups > > "sympy" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at http://groups.google.com/group/sympy. > > For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
