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Lecture 36b, Comparison of methods and settings 


When a numerical solution is needed for a Partial Differential Equation
there may be a need for a specific accuracy or a need for minimum
use of computer time.

Step size, typically h, smaller typically gives better accuracy and
requires more computer CPU time.

Method, can depend on the specific PDE and number of solution points
for both accuracy and computer time 


Methods

nderiv.out accutacy vs discrete points




Case study second order discrete with variations

pde22_s2_eq.c source code
pde22_s2_eq_c.out printed solution
pde22_s2_eq_c.dat solution data
pde22_s2_eq_c.sh command for plotting
pde22_s2_eq_c.plot plot instructions
pde22_s2_eq_c.png  plot results



Case study second order java and python same PDE

pde23a_eq.java source code
pde23a_eq_java.out printed solution
pde23.py source code
pde23_py.out printed solution


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