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  • Committer: Bazaar Package Importer
  • Author(s): Johannes Ring
  • Date: 2009-10-12 14:13:18 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20091012141318-hkbxl0sq555vqv7d
Tags: 0.9.4-1
* New upstream release. This version cleans up the design of the
  function class by adding a new abstraction for user-defined
  functions called Expression. A number of minor bugfixes and
  improvements have also been made.
* debian/watch: Update for new flat directory structure.
* Update debian/copyright.
* debian/rules: Use explicit paths to PETSc 3.0.0 and SLEPc 3.0.0.

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demo/function/projection-interpolation/python/demo.py
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between different finite element spaces."""
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__author__ = "Anders Logg (logg@simula.no)"
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__date__ = "2008-10-06 -- 2008-12-12"
 
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__date__ = "2008-10-06 -- 2009-10-06"
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__copyright__ = "Copyright (C) 2008 Anders Logg"
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__license__  = "GNU LGPL Version 2.1"
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P2 = FunctionSpace(mesh, "CG", 2)
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# Define function
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v = Function(P2, "sin(10.0*x[0])*sin(10.0*x[1])")
 
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v = Expression("sin(10.0*x[0])*sin(10.0*x[1])", V = P2)
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# Compute projection (L2-projection)
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Pv = project(v, P1)
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# Compute interpolation (evaluating dofs)
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PIv = interpolate(v, P1)
 
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PIv = Function(P1)
 
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PIv.interpolate(v)
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# Plot functions
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plot(v,   title="v")
 
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#plot(v,   title="v")
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plot(Pv,  title="Pv")
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plot(PIv, title="PI v")
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interactive()