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Phi functions for triangles.
Using basic Lagrange polynomials to get a value 1.0 at
the vertex of interest and a value of 0.0 at the other
two vertices.
A "C" implementation is shown by:
phi_tril.c
phi_tril.h
A Matlab implementation with resulting plots is:
phi_tril.m
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CMSC 455 home page
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Syllabus - class dates and subjects, homework dates, reading assignments
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Homework assignments - the details
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Projects -
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Partial Lecture Notes, one per WEB page
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Partial Lecture Notes, one big page for printing
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Downloadable samples, source and executables
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Some brief notes on Matlab
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Some brief notes on Python
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Some brief notes on Fortran 95
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Some brief notes on Ada 95
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An Ada math library (gnatmath95)
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Finite difference approximations for derivatives
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MATLAB examples, some ODE, some PDE
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parallel threads examples
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Reference pages on Taylor series, identities,
coordinate systems, differential operators
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selected news related to numerical computation