UFL Specification and User Manual 0.3 - FEniCS Project

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UFL Specification and User Manual 0.3Martin S. Alnæs, Anders LoggTo try this tool, go to the demo/ directory of the UFL source tree. Some ofthe features to try are basic printing of str and repr string representationsof each form:# ufl-convert --format=str stiffness.ufl# ufl-convert --format=repr stiffness.uflcompilation of forms to mathematical notation in L A TEX:# ufl-convert --filetype=pdf --format=tex --show=1 stiffness.uflL A TEX output of forms after processing with UFL compiler utilities:# ufl-convert -tpdf -ftex -s1 --compile=1 stiffness.ufland visualization of expression trees using graphviz via compilation of formsto the dot format:# ufl-convert -tpdf -fdot -s1 stiffness.uflType ufl-convert --help for more details.A.3 Conversion from FFC form files: form2uflThe command form2ufl can be used to convert old FFC .form files to UFLformat. To convert a form file named myform.form to UFL format, simplytype# form2ufl myform.uflNote that although, the form2ufl script may be helpful as a guide to convertingold FFC .form files, it is not foolproof and may not always yieldvalid UFL files.96
Appendix BInstallationThe source code of UFL is portable and should work on any system with astandardPythoninstallation. Questions, bugreportsandpatchesconcerningthe installation should be directed to the UFL mailing list at the addressufl-dev@fenics.orgUFL must currently be installed directly from source, but Debian (Ubuntu)packages will be available in the future, for UFL and other FEniCS components.B.1 Installing from sourceB.1.1 Dependencies and requirementsUFL currently has no external dependencies apart from a working Pythoninstallation.97
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ContentsAbout this manual 111 Intro
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2.8.10 skew . . . . . . . . . . . .
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4 Internal Representation Details 7
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B Installation 97B.1 Installing fro
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Page 93: Bibliography[1] M. Alnæs and K.-A.
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