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Re: [HG UFL] Added AD demos computing mass and stiffness matrices from energy functionals.

 

I'm working on some possible simplifications, but we can't
find all without doing some stuff I don't think I want to do.

--
Martin


2008/10/29 Kent Andre <kent-and@xxxxxxxxx>:
> Cool! Are there some simplifications that can be done with numbers? It
> seems that (1/2)' =   (2/2^2), which is true, but ...
>
> Kent
>
>
> On ti., 2008-10-28 at 15:16 +0100, UFL wrote:
>> One or more new changesets pushed to the primary ufl repository.
>> A short summary of the last three changesets is included below.
>>
>> changeset:   375:a3719de87e5ab19f55c3d75e7db9606675a5fa99
>> tag:         tip
>> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
>> date:        Tue Oct 28 15:16:01 2008 +0100
>> files:       demo/mass_ad.ufl demo/stiffness_ad.ufl ufl/algorithms/ad.py
>> description:
>> Added AD demos computing mass and stiffness matrices from energy functionals.
>>
>>
>> changeset:   374:bdaa2cbe1f9c5c84f27c36e3a913f5f268ef77b2
>> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
>> date:        Tue Oct 28 13:22:19 2008 +0100
>> files:       ufl/algorithms/ufl2latex.py ufl/algorithms/variables.py ufl/base.py ufl/baseoperators.py
>> description:
>> Made algebraic operators compute float operations
>> on the fly instead of representing them as Sum etc.
>> Simplifies some expressions created by algorithms.
>> Still not sorting operands to discover 2+2 in "2+n+2",
>> since this has other side effects.
>>
>> (+ Some minor improvements to latex output.)
>>
>>
>> changeset:   373:fc14624de31b0b7fc6eceafd4c028da2a6bec805
>> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
>> date:        Tue Oct 28 10:50:59 2008 +0100
>> files:       scripts/ufl2latex ufl/algorithms/ufl2latex.py
>> description:
>> Improved LaTeX output: using one align environment for each part (spaces, arguments, variables, form)
>>
>> ----------------------------------------------------------------------
>> For more details, visit http://www.fenics.org/hg/ufl
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>
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